Kramer Electronics Stereo System 6410N User Manual

Kramer Electronics, Ltd.  
USER MANUAL  
Models:  
6410N, Digital to Analog Audio Converter  
6420N, Analog to Digital Audio Converter  
 
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
 
Getting Started  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
2
 
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  
3
 
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  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
4
 
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  
5
 
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  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
6
 
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  
7
 
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  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
8
 
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
 
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  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
10  
 
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  
 
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  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
12  
 
Using the Audio Converters  
Figure 7: Connecting the 6420N Analog to Digital Audio Converter  
13  
 
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  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
14  
 
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  
 
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.  
P/N: 2900-000317 REV 2  
 

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