Ashly KLR 5000 User Manual

KLR-Series Amplifiers  
KLR 2000, KLR 3200, KLR 4000, KLR 5000  
Operator Manual  
Ashly Audio Inc.  
847 Holt Road, Webster, NY 14580-9103  
Toll Free (800) 828-6308, Telephone (585) 872-0010, FAX (585) 872-0739  
All Trademarks referred to herein, are the property of their respective owners.  
All Rights Reserved  
Rev 0.72110  
Operator Manual – KLR Series Amplifiers  
Page - 3  
Important Safety  
Instructions - 2  
Introduction  
Introduction - 3  
About Ashly  
FCC Compliance  
Congratulations on your purchase of an Ashly KLR-Series amplifier. The KLR-Series is  
made up of powerful, high-efficiency, lightweight amplifiers incorporating the latest  
technologies. We are confident that you will be pleased with the high performance, superb  
sound quality, reliability, and more.  
The KLR Series - 4  
Physical Description - 5  
Installation - 6  
About Ashly  
Troubleshooting - 10  
Spec Table - 11  
Ashly Audio was founded in 1974 by a group of recording engineers, concert sound  
professionals, and electronics designers. The first products were elaborate custom consoles  
for friends and associates, but business quickly spread to new clients and the business  
grew. The philosophy we established from the very beginning holds true today: to offer  
only the highest quality audio tools at an affordable cost to the professional user – ensuring  
reliability and long life. More than thirty years later, Ashly remains committed to these  
principles.  
Warranty - 12  
FCC Compliance  
This device complies with part 15 of the FCC Rules. Operation is subject to the following  
two conditions:  
1. This device may not cause harmful interference  
2. This device must accept any interference received, including interference that may  
cause undesired operation.  
All Rights Reserved  
Rev 0.72110  
Page - 4  
Operator Manual – KLR Series Amplifiers  
Important Safety  
Instructions – 2  
The KLR Series  
Introduction - 3  
KLR-Series amplifiers are high-efficiency, lightweight high power amplifiers incorporating  
the latest amplifier technologies.  
The KLR Series - 4  
Protection  
Physical Description - 5  
Installation - 6  
The series provides a power range of 1000 to 2500 watts per channel at 2 ohms (20Hz-  
20kHz, 1% THD). The KLR series is available in 2 channel versions at four power points.  
All models will drive 2, 4, or 8 ohm loads.  
Troubleshooting - 10  
Spec Table - 11  
KLR-Series Power Ratings (per channel)  
Warranty - 12  
Stereo  
4  
Mono Bridged  
4Ω  
Model  
8Ω  
2Ω  
KLR 2000  
KLR 3200  
KLR 4000  
KLR 5000  
350W  
650W  
850W  
1000W  
600W  
1100W  
1400W  
1700W  
1000W  
1600W  
2000W  
2500W  
2000W  
3200W  
4000W  
5000W  
Inputs are via 3-pin Euroblock, XLR, and ¼” TRS connectors.  
Switch mode power supply provides high efficiency and low weight  
Output connectors are Neutrik Speakon.  
Rear panel switches include: Gain and Operation Mode, Limiter, and HPF.  
Forced air cooled (front panel intake, rear panel exhaust)  
Front panel indicators for output level, clip/protect, and power on/off  
Gain selectable switch for both channels  
Removable dust filters on front panel  
Rack ears for permanent installation in a standard 2RU 19”(rack mount  
width) enclosure  
Protection  
KLR-Series Amplifiers come standard with several protection circuits:  
Output over-current protection  
DC output protection  
Chassis internal temperature monitoring  
Inrush limiting  
Mains circuit breaker  
Copyright© 2010 – Ashly Audio Inc.  
Operator Manual – KLR Series Amplifiers  
Page - 5  
Important Safety  
Instructions – 2  
Physical Description  
Introduction - 3  
Each model in the KLR-Series is 2RU. The model number is indicated on the left side of the  
front panel  
The KLR Series - 4  
Physical Description - 5  
Front Panel  
Rear Panel  
Amplifier Front Panel  
Installation - 6  
Troubleshooting - 10  
Spec Table - 11  
Warranty - 12  
1. Mounting Holes – For rack mounting.  
2. Air Inflow Vents – Cool air enters here.  
3. Channel Attenuators – These knobs adjust  
the attenuation of the input signal of each  
channel from to 0.  
5. Power Switch and LED – Switches the unit on  
or off.  
4. Signal, Clip, and Protect LEDs – Indicates  
output level of –30, -20, 0dB, Clip, and amplifier  
protect.  
Amplifier Rear Panel  
1. AC Cord – For connection to the AC mains  
2. CH 2 Output Connector – This connector  
provides the amplifier’s Channel 2 output.  
3. CH 1, CH 2, Bridged Output Connector –  
This connector provides the amplifier’s Channel  
1, channel 1 and 2, or bridged output.  
4. Air Outflow Vents – Warm air exits here.  
5. Gain Switch – The Gain switch sets both  
channel’s gain to 1V, 32dB, or 26dB sensitivity.  
6. Mode Switch – This switch selects the  
amplifier’s operating mode (Bridge, Stereo, or  
Parallel Mono).  
7. 3-Pin Euroblock Input Connectors – These  
connectors are used for balanced or  
unbalanced input signals.  
8. Combination XLR, 1/4” TRS Input  
Connectors – These connectors are used for  
balanced or unbalanced input signals.  
9. Limiter Switch – This switch engages the  
limiter. There is a separate limiter for each  
channel.  
10. HPF Switch – This switch selects the input  
HiPass filter to 30Hz, 50Hz, or Off.  
WARNING: Do not remove the mains connector ground.  
All Rights Reserved  
Rev 0.72110  
Page - 6  
Operator Manual – KLR Series Amplifiers  
Important Safety  
Instructions – 2  
Installation  
Introduction - 3  
KLR-Series amplifiers are designed for use in both fixed and mobile sound systems. Each  
amplifier is shipped (unless otherwise specified) with the following factory settings:  
The KLR Series - 4  
Physical Description - 5  
Front Panel  
Rear Panel  
Front panel:  
Rear panel:  
On/Off Switch = Off  
Attenuators = ∞  
High Pass Filter(s) = Off  
Gain Selector = +26 dB  
Mode Selector = Stereo  
Limiter Switch = Off  
Installation – 6  
Requirements  
Installation Density  
Typical Applications  
Connectors & Polarity  
Speaker Connections  
Before connecting to mains power, make sure that the switches are set to the configuration  
needed for your particular application. Always switch the amplifier off before making any  
changes to the settings. Failure to do so could result in damage to the unit or other components  
in your system. CAUTION: When mounting or connecting the amplifier, always disconnect it  
from the mains. Use four screws and washers when mounting the amplifier to the front rack  
rails. Rear support is also recommended, especially for mobile or touring use. To reduce the  
risk of fire or electric shock, do not expose this apparatus to rain or moisture.  
Troubleshooting - 10  
Spec Table - 11  
Warranty - 12  
Requirements  
KLR-Series amplifiers have specific physical, electrical and signal requirements for proper  
operation. These requirements will vary depending on your specific application, setup, and  
the settings on the amplifier. When setting up and testing your system, please take special  
care to double check all connections and settings. Please refer to the specifications section  
of this manual for specific input, output and other figures.  
Installation Density  
KLR-Series amplifiers produce substantial power output from a small chassis. When  
driven at the higher-end of their potential, they do produce heat that must be dissipated. In  
cases where multiple KLR amplifiers are mounted together (or a single KLR with other  
equipment), it is recommended that a 1RU space is left between units to allow for proper  
air circulation. If the amplifier overheats, it will go into ‘thermal’ protect mode to prevent  
damage to itself and any connected components and speakers.  
Copyright© 2010 – Ashly Audio Inc.  
Operator Manual – KLR Series Amplifiers  
Page - 7  
Important Safety  
Instructions – 2  
Typical Applications  
Introduction - 3  
The KLR Series - 4  
Physical Description - 5  
Installation – 6  
Requirements  
Installation Density  
Typical Applications  
Connectors & Polarity  
Speaker Connections  
Troubleshooting - 10  
Spec Table - 11  
Warranty - 12  
The most common use of a KLR-Series amplifier is a 2-channel source driving 2 speaker  
channels. In this illustration, the amplifier is receiving a stereo signal and is driving two  
stereo speakers. The amplifier is in STEREO mode.  
Another use of a KLR-Series amplifier is a single channel source driving both speaker  
channels. In this illustration, the amplifier is receiving a signal and is driving both channel  
speakers with the same signal. The amplifier is in PARALLEL mode.  
KLR-Series amplifiers are well suited to BRIDGED operation to drive a speaker load such  
as a subwoofer. This illustration shows a KLR driving a signal in BRIDGED mode. Note  
the special wiring to the channel 1 connector for Bridge mode. Minimum Bridged load  
impedance is 4Ω (2per channel).  
All Rights Reserved  
Rev 0.72110  
Page - 8  
Operator Manual – KLR Series Amplifiers  
Important Safety  
Instructions – 2  
Connectors & Polarity  
KLR-Series amplifiers utilize three types of professional audio connectors. For the inputs,  
3-pin Euroblock connectors are utilized with their polarity clearly marked on the  
amplifier’s rear panel, and combination XLR and 1/4” phone jack are all wired in parallel.  
Outputs are via Speakon connectors. The polarity for these connections is marked on the  
unit’s chassis. Note that polarity changes when the unit is operated in BRIDGED mode.  
Be sure to read the Operation section of this manual for important information on the  
operating modes.  
Introduction - 3  
The KLR Series - 4  
Physical Description - 5  
Installation – 6  
Requirements  
Installation Density  
Typical Applications  
Connectors & Polarity  
Speaker Connections  
Troubleshooting - 10  
Spec Table - 11  
Warranty - 12  
Copyright© 2010 – Ashly Audio Inc.  
Operator Manual – KLR Series Amplifiers  
Page - 9  
Important Safety  
Instructions – 2  
Speaker Connections  
Introduction - 3  
The KLR Series - 4  
Physical Description - 5  
Installation – 6  
Requirements  
Installation Density  
Typical Applications  
Connectors & Polarity  
Speaker Connections  
Troubleshooting - 10  
Spec Table - 11  
Stereo Speaker Wiring  
Warranty - 12  
In this mode, the amplifier’s channels operate fully independent of each other. Each signal  
enters the unit and is amplified separately and wired using different connectors.  
Stereo Speaker Wiring Using Single 4-Conductor Speaker Cable  
In this mode, the amplifier’s channels still operate independent of each other. Each signal is  
amplified separately, however both channels are wired using the Channel 1 connector.  
Bridged (Mono) Mode  
In this mode, a single input is connected to channel 1 and is connected to the two output  
channels that have been “Bridged” together using the Channel 1 connector. Minimum  
Bridged load impedance is 4.  
All Rights Reserved  
Rev 0.72110  
Page - 10  
Operator Manual – KLR Series Amplifiers  
Important Safety  
Instructions – 2  
Troubleshooting  
Introduction - 3  
The KLR Sries - 4  
Physical Description - 5  
Installation – 6  
Situation  
No Sound  
Indication  
Signal LED not lit  
Clip LEDs not lit  
Action  
Check AC plug. Confirm that AC outlet works  
by plugging in another device.  
Signal LED not lit  
Make sure the signal source is operating and  
try another cable. Check position of Volume  
Pots.  
Check the speaker wiring for breaks.  
Try another speaker and cable.  
Troubleshooting - 10  
Spec Table - 11  
Warranty - 12  
Signal LEDs responding to signal level  
Protect LED is lit  
Overheating will cause protective muting.  
Check for proper ventilation.  
No Channel  
Separation  
No Channel Separation  
Check the mode indicators on the back panel  
and make sure the mode selector on the rear  
panel is in the stereo position. Make sure  
other equipment in the signal path such as  
mixers and preamps are set for stereo, not  
mono  
Distorted Sound  
Power LED is lit  
A faulty speaker or a loose connection could  
cause this. Check the wiring and try another  
speaker.  
Signal LEDs responding to signal level  
The signal source might be clipping. Keep the  
volume pots at least halfway up so that the  
source does not have to be overdriven.  
Keep the volume pots at least halfway up and  
try changing input sensitivity with the gain  
selector on the rear.  
Unplug the amplifier input to confirm that the  
hiss is coming from the source or from a device  
upstream. Erratic or popping noises indicate an  
electronic fault in the offending unit. To keep  
the noise floor low, operate the primary signal  
source at full level, without clipping. Avoid  
boosting the signal further between the source  
and the amplifier.  
Clip LEDs not lit  
Hiss  
Hiss  
Squeals and  
Feedback  
Squeals and Feedback  
Microphone feedback should be eliminated  
with mixer controls. If noise continues to build  
up with no microphone gain, there is a serious  
fault in the signal processors or cables.  
Working in succession from the signal source  
towards the amplifier and check each device in  
the signal path by reducing its gain or by  
unplugging it.  
Copyright© 2010 – Ashly Audio Inc.  
Operator Manual – KLR Series Amplifiers  
Page - 11  
Important Safety  
Instructions – 2  
Spec Table  
Introduction - 3  
KLR 2000  
KLR 3200  
KLR 4000  
KLR 5000  
The KLR Series - 4  
Physical Description - 5  
Installation – 6  
Power Output Per Channel  
Stereo Mode, both channels driven  
8, 20 Hz - 20 kHz, 1% THD  
4, 20 Hz - 20 kHz, 1% THD  
2, 20 Hz - 20 kHz, 1% THD  
Bridged Mono Mode  
4, 20 Hz - 20 kHz, 1% THD  
Line Current Draw (all channels driven @4)  
Idle (120VAC 60Hz)  
1/8th Power Pink Noise (120VAC 60Hz)  
1/3 Power Sine Wave (120VAC 60Hz)  
Thermal Dissipation (all channels driven @4)  
Idle (BTU/hr)  
350W  
600W  
650W  
1100W  
1600W  
850W  
1400W  
2000W  
1000W  
1700W  
2500W  
1000W  
Troubleshooting - 10  
Spec Table – 11  
Warranty - 12  
2000W  
3200W  
4000W  
5000W  
0.99A  
9.7A  
0.92A  
11.4A  
16.6A  
1.05A  
14.0A  
19.8A  
1.14A  
17.5A  
24.7A  
14.9A  
164  
1876  
2880  
31dB  
136  
2063  
3001  
33dB  
171  
2489  
3516  
36dB  
215  
3111  
4395  
37dB  
1/8th Power Pink Noise (BTU/hr)  
1/3 Power Sine Wave (BTU/hr)  
Voltage Gain (rated output power @4)  
Signal to Noise Ratio  
(20Hz-20kHz, rated power @ 8unweighted)  
>108 dB  
Class AB  
>109 dB  
Class AB  
>109 dB  
>110 dB  
Output Circuitry:  
2 Step Class H  
2 Step Class H  
Frequency Response 1W @ 8Ω  
20Hz-20kHz  
+/- 0.3dB  
(-3dB down point)  
5Hz – 70kHz  
Damping Factor – 100Hz @ rated power @8Ω  
THD 20Hz-20kHz, 10dB below rated output @4Ω  
Input Impedance  
HPF (30Hz, 50Hz, Off)  
Amplifier Protection  
> 380  
<0.05%  
12 k, balanced  
12dB/Oct  
Output Overcurent, DC Output, Chassis Temperature, Mains Breaker  
Cooling  
Front Panel Indicators  
Attenuators  
Variable Speed Fan, Front to Rear Air Flow  
Prot/Clip, Signal, Power  
Per channel: front panel  
Input Connectors, each channel  
3- Pin Euroblock, XLR, ¼” TRS Phone Jack  
Output connectors, each channel  
Operating Temperature/Humidity  
Speakon  
Temperature: -10C - +40C / Humidity: 0% - 90%  
Power Cable Connector  
Dimensions  
3-Prong NEMA 5-15  
19” x 3.5” x 16” (482mm x 88mmx x407mm)  
Weight  
24 lbs (10.9kg)  
26.4 lbs (12kg)  
26.7 lbs (12.1kg) 27.4 lbs (12.4kg)  
All Specifications Subject to Change or Improvement Without Notice.  
All Rights Reserved  
Rev 0.72110  
Page - 12  
Operator Manual – KLR Series Amplifiers  
Ashly Audio Inc. LIMITED WARRANTY (USA ONLY)  
Important Safety  
Instructions – 2  
(Other countries please contact your respective distributor or dealer.)  
Introduction - 3  
The KLR Series - 4  
Physical Description - 5  
Installation – 6  
For units purchased in the USA, warranty service for this unit shall be provided by ASHLY AUDIO,  
INC. in accordance with the following warranty statement.  
ASHLY AUDIO, INC. warrants to the owner of this product that it will be free from defects in  
workmanship and materials for a period of FIVE years from the original-date-of-purchase. ASHLY  
AUDIO INC. will without charge, repair or replace at its discretion, any defective product or component  
parts upon prepaid delivery of the product to the ASHLY AUDIO, INC. factory service department,  
accompanied with a proof of original-date-of-purchase in the form of a valid sales receipt. This warranty  
gives you specific legal rights, and you may also have other rights, which vary from state to state.  
Troubleshooting - 10  
Spec Table - 11  
Warranty - 12  
EXCLUSIONS: This warranty does not apply in the event of misuse, neglect, or as a result of  
unauthorized alterations or repairs made to the product. This warranty is void if the serial number is  
altered, defaced, or removed. ASHLY AUDIO, INC. reserves the right to make changes in design, or  
make additions to, or improvements upon, this product without any obligation to install the same on  
products previously manufactured.  
Any implied warranties, which may arise under the operation of state law, shall be effective only for  
FIVE years from the original-date-of-purchase of the product. ASHLY AUDIO, INC. shall be obligated  
to only correct defects in the product itself. ASHLY AUDIO, INC. is not liable for any damage or  
injury, which may result from, or be incidental to, or a consequence of, such defects. Some states do not  
allow limitations on how long an implied warranty lasts, or the exclusion, or limitation of incidental or  
consequential damages, so the above limitations or exclusions may not apply to you.  
OBTAINING WARRANTY SERVICE:  
For warranty service in the United States, please follow this procedure:  
1) Return the product to ASHLY AUDIO, INC. freight prepaid, with a written statement describing the  
defect and application that the product is used in. ASHLY AUDIO, INC. will examine the product and  
perform any necessary service, including replacement of defective parts, at no further cost to you.  
2) Ship your product to:  
ASHLY AUDIO, INC.  
Attention: Service Department  
847 Holt Road  
Webster, NY 14580-9103  
Copyright© 2010 – Ashly Audio Inc.  

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