Krell Industries CD Player Evolution 505 User Manual

EVOLUTION  
EVOLUTION 505  
SACD/CD PLAYER  
OWNER’S REFERENCE  
THE LEADER IN AUDIO ENGINEERING  
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Contents  
List of Tables and Illustrations, page 4  
A Letter from Dan D’Agostino, page 5  
SECTION ONE: Evolution 505 Features and Technology, page 6  
Features, Revolutionary Krell CAST Technology,  
Definition of Terms  
SECTION TWO: Unpacking and Placement, page 11  
Opening the Evolution 505 Shipping Carton, Placement, AC Power Guidelines  
SECTION THREE: Anatomy of the Evolution 505, page 13  
Front Panel Description, Remote Control Description, Battery Installation and  
Removal, Back Panel Description  
SECTION FOUR: Connecting the Evolution 505 to Your System, page 22  
Using Balanced Connections, Connection Steps  
SECTION FIVE: Evolution 505 Operation, page 24  
Power On, How to Play a Disc, Disc Formats, Data Disc, Filter, Repeat Functions,  
12 VDC Trigger, RS-232 Port  
WARRANTY, page 28  
RETURN AUTHORIZATION PROCEDURE, page 30  
SPECIFICATIONS, page 31  
3
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List of Illustrations and Tables  
Figure 1, page 13  
Evolution 505 Front Panel  
Figure 2, page 17  
Evolution 505 Remote Control  
Figure 3, page 19  
Evolution 505 Back Panel  
Table 1, page 22  
Analog and Digital Connections  
4
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A Letter from Dan D’Agostino  
Dear Audio Enthusiast,  
Thank you for your purchase of the Krell Evolution 505 SACD/CD Player. Source  
components are the first, vital link in the audio signal chain, and an audio system  
can perform no better than the source allows. For this reason, I have made every  
effort to include the best technology in the design of this new Krell product.  
At the heart of the Evolution 505 are separate, linear power supplies that insure  
perfect operating conditions for the drive mechanism and audio circuits. Discrete,  
Class A gain stages are balanced and are utilized from input to output. Current  
Mode topologies enable wide bandwidth performance, while Current Audio Signal  
Transmission (CAST) transmitters insure the most robust connection to other  
Evolution components. All of these technologies are heard in the authentic and  
satisfying audio reproduction of the Evolution 505.  
I hope that you enjoy your new Evolution 505 source component.  
Sincerely,  
Daniel D’Agostino  
Chief Executive Officer  
5
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SECTION  
ONE  
Evolution 505 Features and Technology  
This section describes the innovative features and technology of the Evolution 505  
SACD/CD Player, and defines CAST and other key terms used in this reference.  
The Evolution 505 works to carefully transmit audio signals without damaging the  
ephemeral staging and dimensional components of the music. A combination of  
advanced technologies and inspired design elevate the Evolution 505 SACD/CD  
Player’s performance to the reference level.  
Features  
The Evolution 505 has Class A, balanced, Krell Current Mode topology from input  
to output for increased bandwidth. New current mirror stages feature LED voltage  
reference. Developed for the Evolution Two, these current mirrors operate with  
three times less distortion than previous designs. A zero feedback design pre-  
serves the original harmonic structure of the recording, and a 500 K bandwidth  
promotes low distortion and phase coherent performance.  
The Evolution 505 uses PCM 1738 differential advanced segment DACs for supe-  
rior dynamic range, and a DCI drive with independent suspension for enhanced  
ergonomics and reliability.  
The Evolution 505 will read redbook, CDR, 44.1 WAV, AAC (adts, and adif), DVD-  
R, RW, +R, and RW discs. The 16 character, dot-matrix LED display is highly visi-  
ble and features an adjustable intensity.  
For flexibility of control, the back panel features a 2-way, RS-232 interface, an  
RC-5 connector, and 12 VDC trigger inputs and outputs. Krell Can Link connec-  
tors allow the Evolution 505 to operate in link mode with other Evolution compo-  
nents.  
The outputs include balanced XLR, single-ended multi-channel outputs, and a pair  
of Evolution CAST™ outputs, for the most robust connection to other Evolution  
components.  
A 65 VA linear power supply is used for the drive mechanism, for absolute voltage  
stability. A separate 45 VA linear power supply for the audio circuits is optimized to  
power critical Class A audio topologies.  
6
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Revolutionary Krell CAST Technology  
Current Audio Signal Transmission, termed CAST, is a revolutionary method of  
connecting analog audio components for unparalleled sonic performance.  
Innovative engineering combines the new Krell CAST circuitry with existing Krell  
Current Mode technology to create entire CAST systems that reproduce music  
with incredible range, tonality, and precision.  
The Voltage Signal Transmission  
and the Traditional Audio System  
Traditionally, signal is transmitted in the voltage domain between two components.  
In an audio system, each component is a discrete entity with unique characteris-  
tics that act upon the musical signal independently. Each component is unaware  
of the other components in the system. The cables that connect the components  
also have their own electrical characteristics, which affect the sonic presentation  
of the entire system. CAST transmission unifies individual components and inter-  
connects into an electrically-linked whole. The original signal remains unaltered  
from source to speaker.  
CAST Basics  
Here is how a CAST audio system works: Internally, each CAST source transfers,  
or amplifies, current using Krell Current Mode circuitry. This current signal is then  
output using CAST circuitry. When the signal is received by a CAST input, Krell  
Current Mode circuitry again takes over until the signal reaches the loudspeaker.  
By maintaining the musical signal in the current domain from beginning to end, an  
entire CAST system behaves as if it is one component. With CAST, circuit board  
properties and signal transmission aberrations between components are eliminat-  
ed. Cable impedances and their effects on the transmitted signal are non-existent.  
How CAST and Krell Current Mode Interact  
While CAST is a new method of transferring the musical signal between compo-  
nents, its origin stems from Krell Current Mode, the technology developed to  
transfer the musical signal within a component. CAST combined with Krell Current  
Mode takes circuitry signal transmission to the next evolutionary level.  
continued  
7
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(SECTION ONE: Evolution 505 Features and Technology continued)  
In essence, Krell Current Mode maintains the integrity of the signal within the  
component and CAST preserves the transmitted signal between components.  
Together, CAST and Krell Current Mode technologies unify separate Krell compo-  
nents into a single global circuit. Krell Current Mode technology enjoys bandwidth  
increases up to an order of magnitude greater than their voltage based counter-  
parts. This dramatic increase in circuit bandwidth delivers near perfection in the  
audible band that typically suffers from phase distortions in voltage circuits.  
CAST Cable Construction  
A CAST system uses cables manufactured by Krell and other manufacturers spe-  
cially licensed by Krell. Thin and flexible CAST cables are constructed with the  
same build quality as other Krell components and are aesthetically matched to the  
components that Krell manufactures. An all-metal body and locking connectors  
with gold contacts are part of the standard no-compromise specification devel-  
oped for every CAST cable made.  
Evolution CAST  
By employing radical current mirror circuitry, the Evolution 505 components ele-  
vate the CAST technology to another level. This advanced use of the technology  
increases the linearity, transient speed, and bandwidth of the Evolution compo-  
nents while reducing the distortion by an order of magnitude.  
The Best Musical Performance  
When you operate a CAST system, you will hear significant improvements in every  
performance area: speed, precision, dynamic range, depth and width of the sound  
stage, transient impact, tonal balance, harmonic distortion, and more. The goal for  
CAST is the same company goal used for all Krell products. Krell strives for the  
delivery of the best performance of a musical event for you, using the full expres-  
sion of technology to date.  
8
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Definition of Terms  
The following are definitions of key terms used in this owner’s reference:  
Inputs and Outputs  
Balanced  
A symmetrical input or output circuit that has equal impedance from both input  
terminals to a common ground reference point. The industry standard for profes-  
sional and sound recording installations, balanced connections have 6 dB more  
gain than single-ended connections and allow the use of long interconnect cables.  
Balanced connections are completely immune to induced noise from the system  
or the environment.  
CAST and Evolution CAST  
Krell Current Audio Signal Transmission, or CAST, is a proprietary Krell circuit tech-  
nology for connecting analog components, transmitting the audio waveform  
between components in the current domain rather than in the voltage domain. The  
speed and bandwidth provided by Krell CAST and its circuitry update, Evolution  
CAST, yield accurate, realistic music reproduction, enabling connected compo-  
nents to perform as if they are all part of a single circuit.  
Single-ended  
A two-wire input or output circuit. Single-ended connections are not recommend-  
ed for connections requiring long cable runs. Use care when using single-ended  
connections, because the ground connection is made last and broken first. Turn  
the system off/on prior to making or breaking single-ended connections.  
Operation  
Off  
When the back panel power switch (34) is in the down (0) position, or the AC  
power supply cord is disconnected, the component is off, and the stand-by/power  
LED is not illuminated.  
Stand-by  
A low-power-consumption status that keeps the audio and regulator circuits at  
idle. The stand-by/power LED (2) is illuminated in red when the component is in  
stand-by mode. Krell recommends leaving the component in stand-by mode when  
it is not playing music.  
Operation  
When the power button (1) or key is pressed, the standby/power LED (2) is illumi-  
nated in blue, and the component is in operational mode and ready to play music.  
continued  
9
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(SECTION ONE: Evolution 505 Features and Technology continued)  
Technology  
Krell Current Mode  
A proprietary Krell circuit topology in which the audio gain stages of a component  
operate in the current rather than the voltage domain. This unique technology pro-  
vides the component with exceptional speed and a wide bandwidth.  
SACD Disc  
A Super Audio Compact Disc (SACD) is an audio disc that provides exceptional  
high quality sound. Based on the new Direct Stream Digital (DSD) technology, a  
format that comprises a 1-bit system, a SACD has a sampling frequency 64 times  
higher than that of a conventional audio CD. With a frequency response of over  
50 kHz, and a dynamic range of 120 dB over the entire audible spectrum, the  
results are spectacular: There is no better audio disc reproduction.  
You will recognize a SACD by the super audio compact disc logo.  
There are three SACD disc types:  
1. A single layer disc consists of one high density (HD) layer.  
2. A dual layer disc consists of two HD layers, and can store twice as much infor-  
mation as a single layer disc.  
3. A hybrid disc consists of one standard compact disc layer with conventional  
two-channel audio compact disc information, and one HD layer.  
SACD Disc: Hybrid Disc Type  
Each SACD disc type may contain two areas of recorded information: a high-quali-  
ty two-channel area and a high-quality multi-channel area. Recorded information  
may vary per area. Refer to the disc inlay for more information.  
The hybrid SACD disc type has the most versatile disc playback options, with two  
areas of recorded information for SACD playback as well as backward compatibili-  
ty with existing standard CD and DVD players via the standard compact disc layer.  
On a hybrid SACD disc, the two layers are read from the same side of the disc.  
The HD layer is read by a DVD laser. The reflective conventional compact disc  
layer is read by the CD laser through the second, semi-transmissive HD layer.  
CDDA  
This is the digital audio file type utilized for standard CD’s. CDDA stands for a  
Compact Disc Digital Audio system.  
Data Disc  
This is a disc composed of digital audio files of a type other than CDDA. The most  
widely recognized non-CDDA digital audio file type is MP3.  
10  
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SECTION  
TWO  
Unpacking and Placement  
This section describes the procedures for safely unpacking and placing your  
Evolution 505 SACD/CD Player. The Evolution 505 is shipped in 1 carton consist-  
ing of the SACD/CD Player and an accessory box.  
Opening the Evolution 505 Shipping Carton  
The Evolution 505 shipping carton measures 22 in. (55.9 cm) wide by 12 in. (30.5  
cm) high by 22 in. (55.9 cm) deep.  
Evolution 505 Chassis. This measures 17.3 in. (43.8 cm) wide by 6 in. (15.3 cm)  
high by 17.3 in. (43.8 cm) deep, and weighs 29 lbs. (13.2 kg).  
To Remove the Evolution 505 from the Shipping Carton  
1. Open the shipping carton and open the top flaps. The carton contains these  
items:  
1 Evolution 505 SACD Player  
1 Accessory box containing the following:  
1 IEC Connector (AC Power) cord  
1 12 VDC (12 V trigger) cable  
1 Remote control  
2 AAA-size 1.5 Volt batteries for the remote  
1 T-10 Torx wrench for the remote control  
1 Packet containing the Quick Setup Guide and the Warranty  
Registration Card  
2. Remove the accessory box and place to one side.  
3. Lift out the removable front piece of foam.  
4. Carefully lift out the Evolution 505 SACD/CD Player. It is quite heavy, so get a  
firm grip on it before lifting, or ask a friend to help.  
5. Place the Evolution 505 in a safe location, and remove the protective plastic  
wrapping.  
Notes  
If any of these items are not included in the shipping box, please contact your authorized  
Krell dealer, distributor, or Krell for assistance.  
Save all packing materials. If you ship your Evolution 505 in the future, repack the unit in its  
original packaging to prevent transit damage. See Return Authorization Procedure, on page  
30, for more information.  
continued  
11  
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(SECTION TWO: Unpacking and Placement continued)  
Placement  
Before you install an Evolution 505 into your system, please follow the guidelines  
in this section to select a location for your component. This will facilitate a clean,  
trouble-free installation.  
The Evolution 505 does not require a special rack or cabinet for installation. The  
preamplifier chassis measures 17.3 in. (43.8 cm) wide, 6 in. (15.3 cm) high, and  
17.3 in. (43.8 cm) deep.  
Place the Evolution 505 on a firm, level surface, away from excessive heat, humid-  
ity or moisture. The Evolution 505 requires at least two inches (5 cm) of clearance  
on each side, and at least two inches (5 cm) of clearance above the component to  
provide adequate ventilation. Installation inside cabinetry may require additional  
ventilation.  
Do not place the Evolution 505 near hum sensitive components such as preampli-  
fier phono stages or turntables. Although the Evolution 505 is well shielded, plac-  
ing it near these components could create interference and cause hum.  
Note  
The Evolution 505 incorporates an advanced suspension system and does not require addi-  
tional mass coupling or isolation. You may experiment with feet or cones as long as they  
are not permanently affixed to the unit. Any unauthorized modifications to the unit or elec-  
tronics will void the warranty.  
IMPORTANT  
Do not attach enhancement accessories such as rings, mats, or dampers to individ-  
ual discs. These accessories may interfere with the disc transport, resulting in erratic  
playback and/or poor sound.  
AC Power Guidelines  
The Evolution 505 has superb regulation and does not require a dedicated AC cir-  
cuit. Avoid connections through extension cords or multiple AC adapters. High  
quality 15 amp AC strips are acceptable. The use of AC line conditioning devices  
or filters may be used if they are grounded and meet or exceed the unit’s power  
supply rating of 100 VA.  
IMPORTANT  
When the internal line fuse needs to be replaced, contact your dealer, distributor or  
Krell. The line fuse is not intended to be replaced by the user.  
12  
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SECTION  
THREE  
Anatomy of the Evolution 505  
This section describes the Evolution 505 functions.  
Figure 1 Evolution 505 Front Panel  
1 Power Button  
2 Stand-by/Power LED  
3 Infrared Sensor  
4 Pause  
Power  
Remote IR  
Transport  
Functions  
5 Stop  
6 Play  
7 Open/Close  
8 Track Skip  
9 Search forward and back  
10 Menu  
Menu  
Navigation  
Functions  
11 Enter  
12 Menu Navigation  
13 Title  
14 Program  
15 Clear  
16 Direct Track Select Numbers  
17 Filter Select  
18 CD Transport  
19 Display  
Filter  
CD Transport  
Display  
Functions  
20 Dim  
21 Display Select  
Setup and Disc  
Not Used  
continued  
13  
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(SECTION THREE: Anatomy of the Evolution 505 continued)  
Front Panel Description  
Power, transport, and display features are described below (see Figure 1 on the  
previous page). Most front panel features can be activated using the remote con-  
trol keys. Descriptions of special operational features are outlined on page 24.  
Power  
1 Power Button or Key  
Use this button or key to switch the Evolution 505 between the stand-by and  
operational modes.  
2 Stand-by/Power LED  
This LED illuminates red (stand-by) when the Evolution 505 is plugged into a  
standard live AC wall receptacle and the rear panel power switch is turned on.  
The LED will illuminate blue (operational mode) when the power button (1) or  
key is pressed while the Evolution 505 is in stand-by mode.  
Remote Functions on the Front Panel  
3 Infrared Sensor  
The infrared sensor receives commands from the Evolution 505 remote con-  
trol. For proper remote control operation, make sure the infrared sensor is not  
covered or obstructed.  
Transport Functions  
4 Pause Button or Key  
Temporarily suspends playback of a track. To resume playback at the point  
pause was engaged, press play.  
5 Stop Button or Key  
Stops disc playback.  
6 Play Button or Key  
Starts playback from the beginning of the disc. See also How to Play a Disc,  
page 16.  
7 Open/Close Button or Key  
Opens or closes the disc transport.  
8 Track Skip Forward and Back Buttons or Keys  
Track forward selects the track that follows the current track. Track back  
selects the track that precedes the current track. Press repeatedly (do not  
hold) to skip multiple tracks.  
9 Search Forward and Back Buttons or Keys  
Press and hold to scroll forward or backward in the current track. Press play to  
return to normal playback.  
14  
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10 Menu Button or Key  
Accesses three menu choices: track number, disc mode, and sample rate.  
11 Enter Button or Key  
Press to view track number, disc mode, and sample rate.  
12 Menu Navigation Buttons or Keys  
Press the up or down arrows to navigate the three menu choices.  
13 Title Button or Key  
Selects the format: conventional CD (CD), two-channel SACD (SACD STEREO), or  
multi-channel SACD (SACD MULTI). The default format is SACD MULTI. The current-  
ly selected format appears in the front panel display (19).  
14 Prog Button or Key  
Press to begin programming a sequence of tracks. If a disc is playing, press  
stop (5) and then press prog.  
To set up a program:  
Press prog (14), then enter a track number using the Direct Track Access but-  
tons (16) and press enter (11). Select another track and press enter, and  
repeat until all desired tracks are chosen. Press play (6) to begin the program.  
To stop the program:  
Press open/close (7) to open the transport, or press stop (5) once and prog  
twice.  
15 Clear Button or Key  
Press to delete an unwanted entry in a program sequence.  
16 Direct Track Access Buttons or Keys  
Buttons 0 through 9 access each track in a compact disc directly. If tracks  
consist of 2 digits, the buttons or keys must be pressed within 2 seconds of  
each other.  
17 Filter Select Button or Key, and LEDs  
Select filter responses for all disc formats. The LED shows which filter is  
selected. See page 26 for more details.  
18 Compact Disc Transport  
This holds the disc. Open and close it using the open/close button or key (7).  
continued  
15  
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(SECTION THREE: Anatomy of the Evolution 505 continued)  
Display  
19 Front Panel Display  
Shows disc type and format, and the current status of the Evolution 505. See  
page 27 for more details.  
20 Dim Button or Key  
This reduces the brightness of the front panel display.  
21 Display Button or Key  
This cycles the display between three choices: remaining track time, elapsed  
disc time, and remaining disc time.  
The following front panel buttons are not operational:  
setup and disc.  
16  
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Figure 2 Evolution 505 Remote Control  
1 Power Button  
4 Pause  
5 Stop  
Power  
Transport  
Functions  
6 Play  
7 Open/Close  
8 Track Skip  
9 Search forward and back  
10 Menu  
11 Enter  
12 Menu Navigation  
13 Title  
Menu  
Navigation  
Functions  
14 Program  
15 Clear  
16 Direct Track Select Numbers  
17 Filter Select  
20 Dim  
21 Display Select  
22 Repeat (Remote Only)  
23 A/B Repeat (Remote Only)  
Filter  
Display  
Functions  
Repeat  
Functions  
Not Used  
Setup, Disc, Subt, Angle,  
Ret  
continued  
17  
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(SECTION THREE: Anatomy of the Evolution 505 continued)  
Remote Control Description  
See Figure 2 on the previous page  
The Evolution 505 remote control provides the same functions as the front panel.  
In addition, there are three keys that are unique to the remote control, and these  
are described below.  
22 Repeat Key  
Replays selected track until new feature is selected. See also, Using the  
Repeat Key, on page 27.  
23 Repeat A-B Key  
Creates a loop between two pre-determined points within a single track or  
sequential tracks. Press once to select the start of the repeat loop (A), and  
press again to select the end of the loop (B). See also, Using the Repeat A/B  
Key, on page 27.  
24 Audio Key  
Cycles between the stereo and multi-channel layers of an SACD disc.  
The following remote control keys are not operational:  
setup, disc, subt, angle, and ret.  
Battery Installation and Removal  
The remote control uses 2 AAA-size 1.5 Volt batteries. Batteries are included with  
the shipment. To install the batteries:  
1. Remove the remote control backplate, using the supplied T-10 Torx wrench.  
2. Install the batteries, following the battery position diagram on the plastic battery  
receptacle.  
3. Replace and secure the backplate.  
Note  
Replace batteries when remote control function becomes intermittent.  
Do not use a knife or other sharp object to remove the backplate, as this may damage the  
remote control finish.  
Remove batteries if the remote control is not used for a long period of time. Battery leakage  
can damage the remote control.  
18  
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Figure 3 Evolution 505 Back Panel  
Analog  
Outputs  
25 Balanced Outputs  
26 Single-ended Outputs  
28 CAST Outputs  
29 Optical Digital Output  
30 Coaxial Digital Output  
31 12 VDC (Trigger) In and Out  
33 RC-5 Input  
32 RS-232 Communication Port  
27 CAN Link Connectors  
34 AC Power Switch  
Digital  
Outputs  
12 V Trigger  
Remote IR  
Serial Port  
CAN Link  
AC Power  
Functions  
35 IEC Power Cord Receptacle  
continued  
19  
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(SECTION THREE: Anatomy of the Evolution 505 continued)  
Back Panel Description  
See Figure 3 on the previous page  
The back panel provides all the output connections, remote control inputs and out-  
puts, and the AC power connection. The back panel features are described below.  
Analog Audio Outputs  
25 Balanced Outputs  
One pair of balanced outputs with XLR connectors.  
26 Single-ended Outputs  
For connection to a multi-channel receiver, with unbalanced RCA connectors:  
L, R = left and right channel connections.  
C = center channel connection.  
SW = subwoofer connection.  
SL, SR = left and right surround channel connections.  
28 CAST Outputs  
The Evolution 505 is equipped with two CAST outputs with 4-pin bayonet con-  
nectors, for use with Krell CAST-equipped preamplifiers.  
Digital Audio Outputs (CD format only)  
29 Optical Digital Output  
One EIAJ fiber optical digital output with a TosLink connector.  
30 Coaxial Digital Output  
One S/PDIF coaxial digital output with an RCA connector.  
20  
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Remote Connections on the Back Panel  
31 12 VDC (Trigger) In and Out  
The output sends 12 VDC power on/off signals to other Krell components and  
other devices that incorporate a 12 V trigger.  
The input receives 12 VDC power on/off signals from other components and  
devices that incorporate a 12 V trigger.  
33 RC-5 Input  
The RC-5 remote connector is used with a third party remote control system  
that provides RC-5 (IR) data with the carrier intact, via a wired connection. A  
stereo tip, ring, sleeve 1/8-inch mini connector is used in the following config-  
uration: Tip = RC-5 data, Ring = +5 V, Sleeve = GND.  
27 CAN Link  
These RJ-45 link connectors are connected in parallel. They are used to con-  
nect the Evolution 505 in link mode, to other CAN Link-enabled Krell prod-  
ucts.  
32 RS-232 Communication Port  
This port allows you to send operational instructions to the Evolution 505  
using an external computer control system. The RS-232 port uses a 9-pin  
D-subminiature connector.  
Power  
34 AC Power Switch  
Use this switch to change the Evolution 505 from off to stand-by.  
35 IEC Power Cord Receptacle  
Use the provided IEC standard 15 amp power cord.  
21  
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SECTION  
FOUR  
Connecting the Evolution 505 to Your System  
Using Balanced Connections  
Krell recommends using balanced interconnect cables. Balanced interconnect  
cables can not only minimize sonic loss, but are also immune to induced noise,  
especially with installations using long cables. Balanced connections have 6 dB  
more gain than single-ended connections. When level matching is critical, keep  
this gain value in mind.  
Table 1 Analog and Digital Connections  
CD Format  
Analog Output  
Digital Output  
Optical  
Balanced  
Single-ended  
Coaxial  
L + R  
MULTI  
Conventional  
CD  
YES  
YES  
NO  
YES  
NO  
NO  
YES  
Two-channel  
SACD  
YES  
YES  
YES  
NO  
NO  
Multi-channel  
SACD  
YES  
YES  
NO  
22  
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Connection Steps  
Follow these steps to connect the Evolution 505 to your system.  
1. Make sure all power sources and components are off before connecting inputs  
and outputs.  
2. Neatly organize the wiring between the Evolution 505 and all system compo-  
nents. Separate AC wires from audio cables to prevent hum or other unwanted  
noises from being introduced into the system.  
3. Remember that balanced outputs use three-pin XLR connectors. Single-ended  
outputs use RCA connectors. Maintain the correct left/right orientation of these  
outputs.  
4. To play an SACD, you need to use the analog audio outputs. Digital audio out-  
puts are only available for conventional compact discs.  
For multi-channel SACD (SACD MULTI), two-channel SACD (SACD STEREO), and  
conventional compact disc playback, connect the Evolution 505 multi-channel  
analog audio outputs to the surround preamp/processor multi-channel inputs.  
All multi-channel analog audio outputs are available in the SACD MULTI format.  
The center (C), subwoofer (SW) and surround (SL, SR) multi-channel outputs  
are not available in the CD or SACD formats. The left (L) and right (R) multi-  
channel outputs are always active.  
5. For two-channel and conventional compact disc playback only, connect the  
Evolution 505 balanced analog audio outputs or the left (L) and right (R) multi-  
channel outputs to the preamplifier balanced or single-ended analog audio  
inputs.  
6. For conventional compact disc playback only, connect the Evolution 505 digital  
coaxial output or digital optics output to the corresponding preamp/processor  
digital input.  
7. Plug the AC power cord into the IEC power connector on the back panel. Then  
plug the AC power cord into the wall socket.  
23  
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SECTION  
FIVE  
Evolution 505 Operation  
This section provides information about operating the Evolution 505. See Front  
Panel /Remote Control Description, on pages 13-21, for more Evolution 505 play-  
back features.  
Power On  
Press the back panel power switch (34) labeled “1”. When the Evolution 505 is ini-  
tialized and in the stand-by mode, the red stand-by LED (2) on the front panel illu-  
minates. Then press the power button (1) on the front panel or the power key on  
the remote control, to place the Evolution 505 in the operational mode. When the  
blue stand-by LED (2) illuminates, the Evolution 505 is in the operational mode and  
ready to play a SACD or a conventional compact disc.  
How to Play a Disc  
1. Press the open/close button (7) or key, to open the disc transport.  
2. Place the disc on the transport.  
3. Press the open/close button or key again to close the disc transport. The front  
panel display reads the total tracks and time on the disc.  
4. Press the play button (6) or key. The format type is seen in the front panel dis-  
play. The format type disappears, and the front panel display reads TRACK 1 and  
the track time as the disc begins playing.  
5. Press the stop button (5) or key, and then the title button (13) or key in order to  
select another disc format and view available tracks.  
6. Adjust the volume level through your system volume control.  
7. Press the stop button or key to end disc playback.  
8. Press the play button or key to begin playback again, from the first track.  
9. To return the Evolution 505 to the stand-by mode, press the power button (1)  
or key.  
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Using the Title Button or Key (13)  
Use the title button (13) or key to select one of the three disc formats that the  
Evolution 505 plays: CD (conventional CD), SACD STEREO (two-channel SACD) and  
SACD MULTI (multi-channel SACD). The currently selected format is shown in the  
front panel display (18). The default format for all SACD discs is SACD MULTI.  
The tracks on the selected disc format are the only tracks that can be played. To  
access tracks on alternate disc format, press the title button or key again. If there  
are no tracks in a particular format, that format does not appear in the front panel  
display.  
Perform the following steps in order to access the different formats on a  
hybrid SACD:  
1. Press the stop button (5) or key. The front panel display reads the total tracks  
and time on the disc.  
2. Press the title button (13) or key until the desired format is seen in the front  
panel display. The format name disappears and the front panel display reads  
the total tracks and time on the disc. Press the play (6) button or key to begin  
playing the selected format.  
Note  
The front panel display reads “CHANGING LAYER” whenever you move between the conven-  
tional CD and SACD layers.  
Navigating a Data Disc  
The Evolution 505 is capable of reading MP3 audio files from data discs that you  
prepare on a personal computer. The front panel display indicates ROOT when you  
are at the beginning of the disc, F corresponds to a closed folder, and TOP desig-  
nates an open folder.  
Use the following buttons and keys to navigate within a data disc:  
1. Press the enter button (11) or key to open a folder or move back to a previous  
folder, or to play a track.  
2. Press the up and down arrow buttons (12) or keys to move among tracks in a  
folder.  
continued  
25  
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(SECTION FIVE: Evolution 505 Operation continued)  
Using the Filter Button or Key (17)  
Four filters make subtle changes to the high frequencies at ultrasonic levels, alter-  
ing the sonic presentation from your loudspeakers. Once a filter setting has been  
selected, it is held in memory even if the Evolution 505 is turned off and then  
returned to operational status.  
Filter 1, 2, 3, and 4 are available in any SACD format. Only Filters 1 and 2 are  
available in the conventional CD format. All filters have a different output gain,  
higher bandwidth, and a more gradual rolloff in the SACD format, compared to  
Filter 1 and 2 in the CD format.  
Filter 1 and 2 are designed to eliminate aliasing artifacts that are the result of the  
D/A re-construction process.  
Conventional Compact Disc Format Filters  
Filter 1 operates flat from 20 Hz to 20 kHz, with a very steep roll-off characteristic  
above 20 kHz (21.5 kHz, -3 dB).  
Filter 2 operates up to 20 kHz (-3 dB) with a more gradual roll-off characteristic  
when compared to Filter 1.  
SACD Format Filters  
Filter 1 in the SACD format, has the same relative output gain as Filter 1 and 2 in  
the CD format, and it has the highest bandwidth of the four SACD filters. Filters 2,  
3 and 4 in the SACD format, operate at reduced bandwidth with steeper slope fil-  
tering and different output gain.  
Filter 1 operates up to 180 kHz (highest bandwidth) and has the slowest roll-off  
characteristic with no change in output gain.  
Filter 2 operates up to 75 kHz and has the steepest roll-off characteristic. It has a  
+0.5 dB increase in output gain over the entire audio pass band compared to  
Filter 1.  
Filter 3 operates up to 80 kHz and has the 2nd steepest roll-off characteristic. It  
has a +5.5 dB increase in output gain over the entire audio pass band compared  
to Filter 1.  
Filter 4 operates up to 90 kHz and has the 3rd steepest roll-off characteristic. It  
has a +3.5 dB increase in output gain over the entire audio pass band compared  
to Filter 1.  
26  
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Using the Repeat Key (22)  
Press the repeat key once to repeat the current track. The front panel display (19)  
reads REPEAT SINGLE. Press the repeat key twice to repeat the whole disc. The front  
panel display reads REPEAT ALL. Press the repeat key a third time to cancel this  
function.  
Using the Repeat A/B Key (23)  
To create an A/B loop, start by playing a track. When you hear the part that you  
want as the beginning of the loop, press A/B to insert the start position. Press A/B  
again to insert the finish position. A/B playback will automatically begin and will  
continue indefinitely. To delete, press A/B again, or press the stop button (5) or key.  
Using the Front Panel Display (19)  
The front panel display shows the disc type, the elapsed time of the track, and the  
feature that has been selected, for example: REPEAT ALL or REPEAT SINGLE. Press the  
display button (21) or key to show track time remaining, disc elapsed time, or disc  
time remaining. Press the dim button (20) or key to reduce the brightness of the  
display.  
Using the 12 V Trigger (31)  
This function allows you to turn other components on or off, or to and from stand-  
by, from the Evolution 505. When the Evolution 505 is switched between stand-by  
and the operational mode, the 12 V trigger sends a signal from the 12 VDC Out  
that will switch other components, allowing whole systems or parts of systems to  
be easily coordinated.  
The 12 VDC input allows you to turn the Evolution 505 on or off, or to and from  
stand-by, from other components.  
Note  
When the component is in the operational mode, the 12 VDC Out provides 12 V of DC out-  
put. When the component is in the stand-by mode or off, the DC output is 0 V. The 12 VDC  
output current is limited to 30 mA. Consult the owner’s reference of the components used  
in a custom installation to take full advantage of the remote capability of the Evolution 505.  
Using the RS-232 Port (32)  
For more information on using the RS-232 communications port, see RS-232 Port:  
Sending Commands and Interpreting Data, the developer’s reference for the  
Evolution 505.  
27  
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Warranty  
Krell products have a limited warranty. Amplifiers, preamplifiers, preamp/processors,  
and receivers carry a limited warranty of five years for parts and labor on circuitry.  
Loudspeakers carry a limited warranty of five years for parts and labor. CD and  
DVD players carry a limited warranty of five years for parts and labor on circuitry,  
and three years for parts and labor on mechanical parts.  
Should the product fail to perform at any time during the warranty, Krell will repair it  
at no cost to the owner, except as set forth in this warranty.  
This warranty does not apply to damage caused by acts of God or nature.  
This warranty shall be in lieu of any other warranty, expressed or implied, including,  
but not limited to, any implied warranty of merchantability or fitness for a particular  
purpose. There are no warranties which exceed beyond those described in this  
document, if the product does not perform as warranted herein, the owner’s sole  
remedy shall be repair. In no event will Krell be liable for incidental or consequential  
damages arising from purchase, use, or inability to use the product, even if Krell  
has been advised of the possibility of such damages.  
Proof of purchase in the form of a bill of sale or receipted invoice substantiating  
that the product is within the warranty period must be presented to obtain warranty  
service. The warranty begins on the date of the original retail purchase, as noted on  
the bill of sale or receipted invoice from an authorized Krell dealer or distributor.  
Previously owned equipment, when re-purchased from an authorized Krell dealer or  
distributor, has the balance of the original warranty, based on the original date of  
manufacture.  
The warranty for a Krell product is valid only in the country to which it was originally  
shipped, through the authorized Krell distributor for that country, and at the factory.  
There may be restrictions on or changes to Krell’s warranty because of regulations  
within a specific country. Please check with your distributor for a complete under-  
standing of the warranty in your country.  
If the product is serviced by a distributor who did not import the unit, there may be  
a charge for service, even if the product is within the warranty period.  
Freight to the factory is your responsibility. Return freight within the United States  
(U.S.A.) is included in the warranty. If you have purchased your Krell product out-  
side the U.S.A. and wish to have it serviced at the factory, all freight and associated  
charges to the factory are your responsibility. Krell will pay return freight to the  
U.S.A.-based freight forwarder of your choice. Freight and other charges to ship the  
product from the freight forwarder to you are also your responsibility.  
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Krell is not responsible for any damage incurred in transit. Krell will file claims for  
damages as necessary for a product damaged in transit to the factory. You are  
responsible for filing claims for shipping damages during the return shipment.  
Krell does not supply replacement parts and/or products to the owner of the prod-  
uct. Replacement parts and/or products will be furnished only to the distributor  
performing service on this product on an exchange basis only; any parts and/or  
products returned to Krell for exchange become the property of Krell.  
No expressed or implied warranty is made for any Krell product damaged by acci-  
dent, abuse, misuse, natural or personal disaster, or unauthorized modification.  
Any unauthorized voltage conversion, disassembly, component replacement,  
perforation of chassis, updates, or modifications performed to the product  
will void the warranty.  
The operating voltage of the product is determined by the factory and can only be  
changed by an authorized Krell distributor or at the factory. The voltage for this  
product in the U.S.A. cannot be changed until six months from the original pur-  
chase date.  
In the event that Krell receives a product for warranty service that has been modi-  
fied in any way without Krell authorization, all warranties on that product will be  
void. The product will be returned to original factory layout specifications at the  
owner’s expense before it is repaired. All repairs required after the product has  
been returned to original factory specifications will be charged to the customer, at  
current parts and labor rates.  
All operational features, functions, and specifications and policies are subject to  
change without notification.  
To register your product for warranty benefits, please complete and return the  
Warranty Registration Card enclosed in the shipping box within 15 days of pur-  
chase. Thank you.  
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Return Authorization Procedure  
If you believe there is a problem with your component, please contact your dealer,  
distributor, or the Krell factory to discuss the problem before you return the com-  
ponent for repair. To expedite service, you may wish to complete and e-mail the  
Service Request Form in the Service Section of our website at:  
To contact the Krell Service Department  
TEL  
203-298-4020, Monday-Friday  
9:00 AM to 5:00 PM EST  
203-795-2287  
FAX  
E-MAIL  
Evolution 505  
PRODUCT  
MODEL NUMBER  
SERIAL NUMBER  
To return a product to Krell, please follow this procedure so that we may  
serve you better.  
1. Obtain a Return Authorization Number (R/A number) and shipping address  
from the Krell Service Department.  
2. Insure and accept all liability for loss or damage to the product during ship  
ment to the Krell factory and ensure all freight (shipping) charges are prepaid.  
The product may also be hand delivered if arrangements with the Service  
Department have been made in advance. Proof of purchase will be required for  
warranty validation at the time of hand delivery.  
IMPORTANT  
Use the original packaging to ensure the safe transit of the product to the factory,  
dealer, or distributor. Krell may, at its discretion, return a product in new packaging  
and bill the owner for such packaging if the product received by Krell was boxed in  
nonstandard packaging or if the original packaging was so damaged that it was  
unusable. If Krell determines that new packaging is required, the owner will be noti-  
fied before the product is returned.  
To purchase additional packaging, please contact your authorized Krell dealer,  
distributor, or the Krell Service Department for assistance.  
30  
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Specifications  
Frequency response  
20 Hz to 20 kHz +0.0, -0.5 dB  
Signal to noise ratio  
“A” weighted 105 dB  
THD  
20 Hz to 20 kHz, -82 dB  
Power Consumption  
61 W  
Analog Audio outputs  
1 pr. CAST via 4-pin bayonet connectors  
1 pr. balanced via XLR connector  
6 single-ended via RCA connector  
Digital Audio outputs  
1 S/PDIF via RCA, 1 EIAJ optical via TosLink  
Remote Control  
1 Wireless IR Remote  
1 Remote IR sensor input via  
a 3-conductor 3.5 mm connector  
Control inputs  
1 RS-232 port via a 9-pin D-subminiature connector  
1 12 VDC trigger input via 3.5 mm connector  
1 Krell CAN Link via an RJ-45 connector  
Control outputs  
1 12 VDC trigger output via 3.5 mm connectors  
1 Krell CAN Link via an RJ-45 connector  
Dimensions  
17.3 in. W x 6 in. H x 17.3 in. D  
43.8 cm W x 15.3 cm H x 43.8 cm D  
Weight  
Shipped: 37 lbs., 16.8 kg  
Unit only: 29 lbs., 13.2 kg  
Note  
All operational features, functions, specifications, and policies  
are subject to change with out notification.  
31  
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EVOLUTION 505  
SACD/CD PLAYER  
OWNER’S REFERENCE  
V06.0  
KRELL INDUSTRIES, INC.  
45 CONNAIR ROAD  
ORANGE, CT 06477-3650 USA  
TEL: 203-298-4000 • FAX: 203-891-2028  
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