Kramer Electronics, Ltd.
USER MANUAL
Models:
6410N, Digital to Analog Audio Converter
6420N, Analog to Digital Audio Converter
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Introduction
1 Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, presentation, and
broadcasting professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
500-plus different models now appear in eight groups1 that are clearly defined
by function.
Congratulations on purchasing your Kramer DigiTOOLS 6410N Digital to
Analog Audio Converter and/or 6420N Analog to Digital Audio Converter.
These products are ideal for:
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Audio broadcast and production studios
Non-linear editing studios
Multimedia and presentation format conversion
Diagnostics of audio equipment during field operation
The package includes the following items:
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6410N Digital to Analog Audio Converter and/or 6420N Analog to
Digital Audio Converter
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Power adapter(s)
This user manual
2 Getting Started
We recommend that you:
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Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
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Review the contents of this user manual2
Use Kramer high performance high resolution cables3
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:
Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors
1
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Getting Started
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Overview
3 Overview
Both the 6410N Digital to Analog Audio Converter and the 6420N Analog to
Digital Audio Converter use digital audio transmission standards, as section
3.1 describes.
This section summarizes:
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The 6410N (see section 3.2)
The 6420N (see section 3.3)
Recommendations for achieving the best performance (see section 3.4)
3.1 Digital Audio Inputs/Outputs on the 6410N and 6420N
Figure 1 illustrates the transmission standards for professional and consumer
formats, which can be translated via the 6410N/6420N.
Digital Audio Transmission Inputs/Outputs
AES 75
W
AES / EBU
Figure 1: Professional and Consumer Inputs/Outputs on the 6410N / 6420N
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Overview
3.2 About the 6410N
The 6410N is a high performance format converter for digital audio signals. It
converts AES/EBU, AES-ID3, S/PDIF or Toslink® optical digital audio
signals simultaneously1 to:
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Analog balanced stereo on detachable terminal block connectors
Unbalanced stereo on a 3.5” jack, capable of driving a 32W load
(headphones)
In particular, the 6410N:
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Supports multi-standards - AES/EBU, IEC 958, S/PDIF and EIAJ
CP340/1201 professional and consumer formats with sampling
frequencies up to 96kHz
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Provides automatic equalization and reclocking of the digital audio stream
coming from any digital input
Automatically detects the sample rate of the digital input, ranging from
32kHz to 96kHz
Features selectable conversion ratio (D/A) settings: 0dBFS to +12dB,
+16dB, +20dB or +24dB
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Has an S/N Ratio of over 88dB
Has AES/EBU and AES-ID3 transformer coupled inputs
The 6410N is 12VDC fed and is housed in a DigiTOOLS enclosure.
1 As Figure 6 illustrates, the sound outputs from both the amplifier and the headphones simultaneously
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Your Audio Converters
3.3 About the 6420N
The 6420N is a high performance format converter for balanced audio
signals. It converts two channels of balanced audio signals to AES/EBU,
AES-ID3, S/PDIF and TOSlink® optical digital outputs simultaneously.
In particular, the 6420N:
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Supports multi-standards - AES/EBU, IEC 958, S/PDIF and EIAJ
CP340/1201 professional and consumer formats with sampling
frequencies up to 96kHz
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With its analog balanced stereo audio input signal, splits to four digital
audio output signals1, available in all the possible digital audio interfaces
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Features selectable sampling frequencies of 32k, 44.1k, 48k, or 96k
Features selectable gain ratio (A/D) settings: -12dB, -16dB, -20dB or -24dB
to 0dBFs
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Features selectable digital audio system bits (professional or consumer)
Has AES/EBU and AES-ID3 transformer coupled outputs
The 6420N is 12VDC fed and is housed in a DigiTOOLS enclosure.
3.4 Recommendations for Achieving the Best Performance
To achieve the best performance:
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Connect only good quality connection cables, thus avoiding interference,
deterioration in signal quality due to poor matching, and elevated noise-
levels (often associated with low quality cables)
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Avoid interference from neighboring electrical appliances and position your
Kramer 6410N/6420N away from moisture, excessive sunlight and dust
Caution – No operator-serviceable parts inside unit.
Warning – Use only the Kramer Electronics input power
wall adapter that is provided with this unit2.
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
4 Your Audio Converters
Sections 4.1 and 4.2 define the 6410N Digital to Analog Audio Converter and
the 6420N Analog to Digital Audio Converter, respectively.
1 Functioning as a 1:4 DA
2 For example: model number AD2512C, part number 2535-000251
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Your Audio Converters
4.1 Your 6410N Digital to Analog Audio Converter
Figure 2 and Table 1 define the 6410N Digital to Analog Audio Converter:
Figure 2: 6410N Digital to Analog Audio Converter
Table 1: 6410N Digital to Analog Audio Converter Features
#
Feature
Function
1
2
3
12V DC
DIGITAL
INPUTS
+12V DC connector for powering the unit
Connect to the digital audio source
Connect to the digital audio source
AES 75W BNC Connector
AES / EBU Detachable
Terminal Block Connector
4
5
S/PDIF RCA Connector
OPTICAL Toslink® Optical
Connector
Connect to the digital audio source
Connect to the digital audio source
6
ANALOG
OUT
LEFT and RIGHT
Detachable Terminal Block
Connectors
Connect to the analog audio acceptor
7
8
9
INPUT
A Push Button
B Push Button
Press A and B buttons (as detailed on side panel) to
select the input (see Table 2)
SELECTOR
LINK LED
Illuminates when receiving the appropriate input signal
Rotate to adjust the headphones output signal level
Connects to a headphone set
10 VOLUME Control Knob
11 PHONES Out Connector
12 ON LED
Illuminates when receiving power
Table 2: Selecting the Input on the 6410N
Press A
IN
OUT
IN
and press B
IN
IN
to select:
AES/EBU
AES 75W
S/PDIF
OUT
OUT
OUT
OPTICAL
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Your Audio Converters
The 6410N Underside
4.1.1
Figure 3 and Table 3 define the 6410N underside:
Figure 3: 6410N Digital to Analog Audio Converter Underside
Table 3: 6410N Digital to Analog Audio Converter Underside Features
Feature
Function
GAIN
CONTROL
RIGHT
Set the dipswitches as follows to determine the RIGHT channel
conversion ratio1 (GAIN CONTROL):
Dipswitches
Gain Control:
+24dB
+20dB
+16dB
+12dB
DIP 1
ON
OFF
OFF
OFF
DIP 2
OFF
ON
OFF
OFF
DIP 3
OFF
OFF
ON
DIP 4
OFF
OFF
OFF
ON
OFF
LEFT
Set the dipswitches as follows to determine the LEFT channel conversion
ratio1 (GAIN CONTROL):
Gain Control:
+24dB
+20dB
+16dB
+12dB
DIP 5
ON
OFF
OFF
OFF
DIP 6
OFF
ON
OFF
OFF
DIP 7
OFF
OFF
ON
DIP 8
OFF
OFF
OFF
ON
OFF
1 From digital to analog
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Your Audio Converters
Table 4 shows an example of the relation between the input signal, the
selected gain and the THD + N.
Table 4: 6410N Input Signal and Gain
Vinput [vrms]
1
Gain [dB]
+12
THD + N [dB] @1kHz
-94
1
+16
-95
-94
-90
1
+20
0.7
+24
4.2 Your 6420N Analog to Digital Audio Converter
Figure 4 and Table 5 define the 6420N Analog to Digital Audio Converter:
Figure 4: 6420N Analog to Digital Audio Converter
Table 5: 6420N Analog to Digital Audio Converter Features
#
Feature
Function
1
2
3
12V DC
DIGITAL
OUTPUTS
+12V DC connector for powering the unit
Connect to the digital audio acceptor
Connect to the digital audio acceptor
AES 75W BNC connector
AES / EBU Detachable
Terminal Block Connector
4
5
S/PDIF RCA Connector
OPTICAL Toslink® Optical
Connector
Connect to the digital audio acceptor
Connect to the digital audio acceptor
6
ANALOG
INPUTS
LEFT and RIGHT
Detachable Terminal Block
Connectors
Connect to the analog audio source
7
8
MODE SELECTOR Dipswitches
Set a dipswitch to ON to choose the appropriate
sample rate frequency
Illuminates when receiving power
ON LED
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Your Audio Converters
The 6420N Underside
4.2.1
Figure 5 and Table 6 define the 6420N underside:
Figure 5: 6420N Analog to Digital Audio Converter Underside
Table 6: 6420N Analog to Digital Audio Converter Underside Features
#
Feature
Function
1
PROFFESIONAL / CONSUMER
Switch
Set to choose the digital audio system bit
2
GAIN CONTROL
Dipswitches
LEFT
Set the dipswitches as follows to determine the LEFT
channel conversion ratio1 (GAIN CONTROL):
Gain Control:
-24dB
-20dB
-16dB
-12dB
DIP 1
ON
OFF
OFF
OFF
DIP 2
OFF
ON
OFF
OFF
DIP 3
OFF
OFF
ON
DIP 4
OFF
OFF
OFF
ON
OFF
RIGHT
Set the dipswitches as follows to determine the RIGHT
channel conversion ratio1 (GAIN CONTROL):
Gain Control:
-24dB
-20dB
-16dB
-12dB
DIP 5
ON
OFF
OFF
OFF
DIP 6
OFF
ON
OFF
OFF
DIP 7
OFF
OFF
ON
DIP 8
OFF
OFF
OFF
ON
OFF
1 From analog to digital
9
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Using the Audio Converters
5 Using the Audio Converters
Sections 5.1 and 5.2 describe how to connect the 6410N Digital to Analog
Audio Converter and the 6420N Analog to Digital Audio Converter,
respectively.
5.1 Connecting the 6410N Digital to Analog Audio Converter
To connect your 6410N Digital to Analog Audio Converter, as illustrated in
the example in Figure 6, do the following1:
1. Connect up to four sources to the four digital input connectors, as follows:
°
Connect an AES-75W source (for example, a DAT-Player) to the
AES-75W BNC input connector
°
Connect an AES/EBU source (for example, a DAT-Player) to the
AES/EBU detachable terminal block input connector using a shielded
twisted pair cable
°
°
Connect an S/PDIF source (for example, a DVD Player) to the S/PDIF
RCA input connector
Connect an optical source (for example, a CD Player) to the optical
input connector
2. Connect up to two analog acceptors, as follows:
°
Connect the ANALOG OUT LEFT and RIGHT detachable terminal
block connectors via shielded twisted pair cables to an analog balanced
stereo acceptor (for example, an amplifier with a pair of loudspeakers)
°
If required, connect the PHONES 3.5mm output jack to a headphone
set2
3. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity (not shown in Figure 6).
4. Set the conversion ratio on the underside of the unit3.
1 Switch OFF the power on each device before connecting it to your 6410N. After connecting your 6410N, switch on its
power and then switch on the power on each device
2 The headphone output is usually used for diagnostics and setup of the audio system. It is recommended to disconnect the
headphones (or to minimize the headphone volume level) when not in use
3 It is essential that you choose the correct conversion ratio to prevent clipping, and to maintain the S/N ratio within the spec
limits. The selection of the conversion rate greatly depends on the type of audio played, and also on the audio equipment that
is connected to the 6410N
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Using the Audio Converters
Figure 6: Connecting the 6410N Digital to Analog Audio Converter
5.1.1
Using the INPUT SELECTOR Switches
Set the digital input standard by pushing in and/or releasing one or both of the
two INPUT SELECTOR switches1 on the 6410N Digital to Analog Audio
Converter, as Table 1 defines.
1 Item 7 (button A) and item 8 (button B), in Figure 2
11
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Using the Audio Converters
5.2 Connecting the 6420N Analog to Digital Audio Converter
To connect your 6420N Analog to Digital Audio Converter, as illustrated in
the example in Figure 7, do the following1:
1. Connect an analog balanced stereo source (for example, a balanced audio
tape player) to the ANALOG INPUT LEFT and RIGHT detachable
terminal block connector connectors via shielded twisted pair cables.
2. Connect the four different digital output connectors to up to four acceptors,
as follows:
°
°
°
°
Connect the AES-75W BNC output connector to an AES-75W acceptor
(for example, a DAT-Recorder)
Connect the AES/EBU detachable terminal block output connector2 to
an AES/EBU acceptor (for example, a DAT-Recorder)
Connect the S/PDIF RCA output connector to an S/PDIF acceptor (for
example, a DAT-Recorder3)
Connect the OPTICAL output connector to an optical acceptor (for
example, a DAT-Recorder3)
3. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity (not shown in Figure 7).
4. Set the MODE SELECTOR dipswitches on the 6420N Analog to Digital
Audio Converter to determine the appropriate digital sampling frequency.
5. On the machine underside:
°
If required, set the switch to PROFESSIONAL or CONSUMER to
determine the digital audio standard format
°
Set the conversion ratio on the underside of the unit4
1 Switch OFF the power on each device before connecting it to your 6420N. After connecting your 6420N, switch on its
power and then switch on the power on each device
2 Using a shielded twisted pair cable (110W)
3 A small-sized consumer DAT-Recorder
4 It is essential that you choose the correct conversion rate to prevent clipping and to maintain the S/N ratio within the spec
limits. The selection of the conversion rate greatly depends on the type of audio played, and also on the audio equipment that
is connected to the 6420N
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Using the Audio Converters
Figure 7: Connecting the 6420N Analog to Digital Audio Converter
13
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Technical Specifications
6 Technical Specifications
Table 7 and Table 8 include the technical specifications for the 6410N Digital
to Analog Audio Converter and the 6420N Analog to Digital Audio
Converter, respectively.
Table 7: 6410N Digital to Analog Audio Converter Technical Specifications
INPUTS:
OUTPUTS:
4 digital audio inputs: AES 75W; AES/EBU; S/PDIF; TosLink Optical
2 analog outputs: balanced line out on detachable terminal blocks;
3.5mm headphone jack
SAMPLE RATE CONVERSION: 32kHz, 44.1kHz, 48kHz, 96kHz
CONVERSION GAIN:
BANDWIDTH (+4dBu/-3dBu):
MAX. OUTPUT LEVEL:
S/N RATIO:
+12dB, +16dB, +20dB,+24dB
20Hz to 22kHz
11.2Vpp @1kHz
88dB
AUDIO THD + NOISE:
AUDIO 2nd HARMONIC:
CONTROLS:
-92dB
0.003%
Input selector buttons, 8 gain switches, headphones level rotary control
knob, 2 LEDs: ON and LINK
POWER SOURCE:
DIMENSIONS:
WEIGHT:
12V DC/1.25A, 150mA
12cm x 6.95cm x 2.44cm (4.72" x 2.74" x 0.96", W, D, H)
0.3kg (0.66lbs.) approx.
ACCESSORIES:
OPTIONS:
Power supply, mounting bracket
19" rack adapters
Table 8: 6420N Analog to Digital Audio Converter Technical Specifications
INPUTS:
OUTPUTS:
1 analog input balanced line in (10k) on detachable terminal blocks
4 digital audio outputs: AES 75W; AES/EBU; S/PDIF; TosLink Optical
SAMPLE RATE CONVERSION: 32kHz, 44.1kHz, 48kHz, 96kHz
MAX. INPUT LEVEL:
CONVERSION GAIN:
CONTROLS:
11.2Vpp @1kHz
-12dB, -16dB, -20dB,-24dB
4 sample rate selector switches, system bit selector switch, 8 gain switches,
ON LED
COUPLING:
AC
POWER SOURCE:
DIMENSIONS:
WEIGHT:
ACCESSORIES:
OPTIONS:
12V DC/1.25A, 130mA
12cm x 6.95cm x 2.44cm (4.72" x 2.74" x 0.96", W, D, H)
0.3kg (0.66lbs.) approx.
Power supply, mounting bracket
19" rack adapters
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LIMITED WARRANTY
Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the
followingterms.
HOW LONGIS THE WARRANTY
Labor and parts are warranted for seven years from the date of the first customer purchase.
WHO IS PROTECTED?
Only the first purchase customer may enforce this warranty.
WHATISCOVEREDANDWHAT IS NOT COVERED
Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
by thewarranty:
1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the Web site
2. Any product, on which the serial number has been defaced, modified or removed, or on which the WARRANTY VOID
IFTAMPERED stickerhasbeen torn, reattached, removed orotherwiseinterferedwith.
3. Damage, deterioration ormalfunction resultingfrom:
i) Accident,misuse, abuse,neglect, fire, water, lightning or otheractsofnature
ii) Product modification, orfailure to followinstructions supplied withtheproduct
iii) Repairorattemptedrepairby anyonenot authorizedbyKramer
iv) Anyshipmentofthe product(claimsmustbe presentedto thecarrier)
v) Removalorinstallation oftheproduct
vi) Anyothercause, whichdoes not relateto aproduct defect
vii) Cartons, equipment enclosures, cables oraccessories usedinconjunction with the product
WHATWE WILLPAYFORANDWHATWEWILLNOT PAYFOR
We willpay laborand material expenses forcovered items.We will not pay forthe following:
1. Removal orinstallationscharges.
2. Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These costs are the
responsibility oftheKramerdealerfromwhomtheproduct waspurchased.
3. Shipping charges.
HOW YOU CAN GET WARRANTY SERVICE
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, the original dated invoice (or a copy) must be presented as proof of warranty
coverage, and should be included in any shipment of the product. Please also include in any mailing a contact name,
company, address, and a description of the problem(s).
3. For the name of the nearest Kramer authorized service center, consult your authorized dealer.
LIMITATION OFIMPLIED WARRANTIES
All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.
EXCLUSIONOFDAMAGES
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer shall
notbeliablefor:
1. Damage to otherproperty caused by defects in this product,damages based upon inconvenience, loss ofuseofthe product, loss
oftime, commercialloss;or:
2. Any other damages, whether incidental, consequentialor otherwise. Some countries may not allowlimitations on howlong an
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations andexclusions maynot applytoyou.
Thiswarranty gives you specificlegalrights, andyou may also have otherrights, whichvary fromplace toplace.
NOTE:Allproducts returned toKramerfor servicemusthavepriorapproval.Thismaybeobtainedfromyourdealer.
Thisequipment has been testedto determinecompliancewiththe requirements of:
EN-50081:
"Electromagneticcompatibility(EMC);
generic emissionstandard.
Part1: Residential, commercialand light industry"
"Electromagneticcompatibility(EMC)genericimmunity standard.
Part1: Residential, commercialand light industryenvironment".
FCC Rules and Regulations:
EN-50082:
CFR-47:
Part 15: “Radio frequency devices
Subpart B Unintentional radiators”
CAUTION!
Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or
modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the
equipment.
Usethe suppliedDCpowersupply tofeed powerto themachine.
Please userecommended interconnection cablesto connect themachineto othercomponents.
15
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For the latest information on our products and a list of Kramer
where updates to this user manual may be found.
We welcome your questions, comments and feedback.
Safety Warning:
Disconnect the unit from the power supply before
opening/servicing.
Caution
2900-000317
2
PN:
Rev:
Kramer Electronics, Ltd.
E-mail: [email protected]
P/N: 2900-000317 REV 2
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