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K R A ME R E LE CT R O N IC S L T D .
USER MANUAL
MODELS:
6410N
Digital to Analog Audio
Converter
6420N
Analog to Digital Audio
Converter
P/N: 2900-000317 Rev 3
Contents
Achieving the Best Performance
Digital Audio Inputs/Outputs on the 6410N and 6420N
Your 6410N Digital to Analog Audio Converter
Your 6420N Analog to Digital Audio Converter
Connecting the 6410N Digital to Analog Audio Converter
Connecting the 6420N Analog to Digital Audio Converter
Figures
Figure 1: Professional and Consumer Inputs/Outputs on the 6410N / 6420N
Figure 2: 6410N Digital to Analog Audio Converter
Figure 3: 6410N Digital to Analog Audio Converter Underside
Figure 4: 6420N Analog to Digital Audio Converter
Figure 5: 6420N Analog to Digital Audio Converter Underside
Figure 6: Connecting the 6410N Digital to Analog Audio Converter
Figure 7: Connecting the 6420N Analog to Digital Audio Converter
6410N, 6420N – Contents i
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 video, audio, presentation, and broadcasting professionals on a daily basis. In recent years, we have redesigned and upgraded most of our line, making the best even better!
Our 1,000-plus different models now appear in 14 groups that are clearly defined by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;
GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5:
Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:
Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:
Room Connectivity; GROUP 10: Accessories and Rack Adapters; GROUP 11:
Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and
GROUP 14: Collaboration.
Congratulations on purchasing your Kramer 6410N, 6420N, which are ideal for the following typical applications:
Audio broadcast and production studios
Non-linear editing studios
Multimedia and presentation format conversion
Diagnostics of audio equipment during field operation
6410N, 6420N - Introduction 1
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and packaging materials for possible future shipment
Review the contents of this user manual i
Go to http://www.kramerelectronics.com/support/product_downloads.asp
to check for up-to-date user manuals, application programs, and to check if firmware upgrades are available (where appropriate).
2
2.1 Achieving the Best Performance
To achieve the best performance:
Use only good quality connection cables (we recommend Kramer highperformance, high-resolution cables) to avoid interference, deterioration in signal quality due to poor matching, and elevated noise levels (often associated with low quality cables)
Do not secure the cables in tight bundles or roll the slack into tight coils
Avoid interference from neighboring electrical appliances that may adversely influence signal quality
Position your Kramer 6410N, 6420N away from moisture, excessive sunlight and dust
!
This equipment is to be used only inside a building. It may only be connected to other equipment that is installed inside a building.
6410N, 6420N - Getting Started
2.2 Safety Instructions
!
Caution: There are no operator serviceable parts inside the unit
Warning: Use only the Kramer Electronics input power wall adapter that is provided with the unit
Warning: Disconnect the power and unplug the unit from the wall before installing
2.3 Recycling Kramer Products
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected and recycled. To comply with the WEEE Directive,
Kramer Electronics has made arrangements with the European Advanced
Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at http://www.kramerelectronics.com/support/recycling/ .
6410N, 6420N - Getting Started 3
3 Overview
Both the 6410N Digital to Analog Audio Converter and the 6420N Analog to Digital
Audio Converter use digital audio transmission standards, as
describes.
This section summarizes the:
Digital and audio outputs on the 6410N and 6420N (see
6410N (see
6420N (see
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.
4
Figure 1: Professional and Consumer Inputs/Outputs on the 6410N / 6420N
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 simultaneously to:
As Figure 6 illustrates, the sound is output from both the amplifier and the headphones
simultaneously.
6410N, 6420N - Overview
Analog balanced stereo on detachable terminal block connectors
Unbalanced stereo on a 3.5” jack, capable of driving a 32
load
(headphones)
In particular, the 6410N:
Supports multi-standards - AES/EBU, IEC 958, S/PDIF and EIAJ
CP340/1201 professional and consumer formats with sampling frequencies up to 96kHz
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
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.
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:
Supports multi-standards - AES/EBU, IEC 958, S/PDIF and EIAJ
CP340/1201 professional and consumer formats with sampling frequencies up to 96kHz
With its analog balanced stereo audio input signal, splits to four digital audio output signals (functioning as a 1:4 DA), available in all the possible digital audio interfaces
Features selectable sampling frequencies of 32k, 44.1k, 48k, or 96k
6410N, 6420N - Overview 5
Features selectable gain ratio (A/D) settings: -12dB, -16dB, -20dB or -24dB to
0dBFs
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.
6 6410N, 6420N - Overview
4 Your Audio Converters
defines the 6410N Digital to Analog Audio Converter and
defines the 6420N Analog to Digital Audio Converter.
4.1 Your 6410N Digital to Analog Audio Converter
Figure 2 defines the 6410N Digital to Analog Audio Converter:
Figure 2: 6410N Digital to Analog Audio Converter
#
1
Feature
12V DC
2
3
4
5
6
7
8
9
10
11
12
DIGITAL
INPUTS
ANALOG
OUT
INPUT
SELECTOR
AES 75
BNC Connector
AES / EBU Detachable
Terminal Block Connector
S/PDIF RCA Connector
OPTICAL Toslink® Optical
Connector
LEFT and RIGHT Detachable
Terminal Block Connectors
A Push Button
B Push Button
LINK LED
VOLUME Control Knob
PHONES Out Connector
ON LED
Function
+12V DC connector for powering the unit
Connect to the digital audio source
Connect to the digital audio source
Connect to the digital audio source
Connect to the digital audio source
Connect to the analog audio acceptor
Press A and B buttons (as detailed on side panel) to select the input (see
Illuminates when receiving the appropriate input signal
Rotate to adjust the headphones output signal level
Connects to a headphone set
Illuminates when receiving power
6410N, 6420N - Your Audio Converters 7
4.1.1 Selecting the Input
To select the input on the 6410N use the following:
Press A
IN
OUT
IN
OUT and Press B
IN
IN
OUT
OUT to select:
AES/EBU
AES 75
S/PDIF
OPTICAL
4.1.2 Setting the 6410N Gain Control
Set the gain control using the DIP-switches on the underside of the 6410N as
8
Figure 3: 6410N Digital to Analog Audio Converter Underside
GAIN
Feature
RIGHT
CONTROL
DIP-switches
LEFT
Set the DIP-switches as follows to determine the RIGHT channel conversion ratio (D to A) (GAIN CONTROL):
Gain Control:
+24dB
+20dB
+16dB
DIP 1
ON
OFF
OFF
Function
DIP 2
OFF
ON
OFF
DIP 3
OFF
OFF
ON
DIP 4
OFF
OFF
OFF
+12dB OFF OFF OFF ON
Set the DIP-switches as follows to determine the LEFT channel conversion ratio (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
OFF
DIP 8
OFF
OFF
OFF
ON
6410N, 6420N - Your Audio Converters
The following table shows an example of the relation between the input signal, the selected gain and the THD + N.
Vinput [vrms]
1
1
1
0.7
Gain [dB]
+12
+16
+20
+24
THD + N [dB]
@1kHz
-94
-95
-94
-90
4.2 Your 6420N Analog to Digital Audio Converter
Figure 4 defines the 6420N Analog to Digital Audio Converter:
Figure 4: 6420N Analog to Digital Audio Converter
#
1
2
3
4
5
6 ANALOG
INPUTS
8
12V DC
DIGITAL
OUTPUTS
ON LED
Feature
AES 75
BNC connector
AES / EBU Detachable Terminal
Block Connector
S/PDIF RCA Connector
OPTICAL Toslink® Optical
Connector
LEFT and RIGHT Detachable
Terminal Block Connectors
7 MODE SELECTOR Dipswitches
Function
+12V DC connector for powering the unit
Connect to the digital audio acceptor
Connect to the digital audio acceptor
Connect to the digital audio acceptor
Connect to the digital audio acceptor
Connect to the analog audio source
Set a dipswitch to ON to choose the appropriate sample rate frequency
Illuminates when receiving power
6410N, 6420N - Your Audio Converters 9
4.2.1 The 6420N Underside
Figure 5 defines the underside of the 6420N:
Figure 5: 6420N Analog to Digital Audio Converter Underside
# Feature
1 PROFESSIONAL /
CONSUMER Switch
2 GAIN
CONTROL
DIP-switches
LEFT
RIGHT
Function
Set to choose the digital audio system bit
Set the DIP-switches as follows to determine the LEFT channel conversion ratio (A to D) (GAIN CONTROL):
Gain Control:
-24dB
-20dB
-16dB
DIP 1
-12dB OFF OFF OFF ON
Set the DIP-switches as follows to determine the RIGHT channel conversion ratio (A to D) (GAIN CONTROL):
Gain Control:
-24dB
-20dB
-16dB
-12dB
ON
OFF
OFF
DIP 5
ON
OFF
OFF
OFF
DIP 2
OFF
ON
OFF
DIP 6
OFF
ON
OFF
OFF
DIP 3
OFF
OFF
ON
DIP 7
OFF
OFF
ON
OFF
DIP 4
OFF
OFF
OFF
DIP 8
OFF
OFF
OFF
ON
10 6410N, 6420N - Your Audio Converters
5 Using the Audio Converters
i
Always switch off the power to each device before connecting it to your
6410N, 6420N. After connecting your 6410N, 6420N, connect its power and then switch on the power to each device.
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 following:
1. Connect up to four sources to the four digital input connectors, as follows:
Connect an AES-75
source (for example, a DAT-Player) to the
AES-75
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 set
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.
6410N, 6420N - Using the Audio Converters 11
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 unit.
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.
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 switches (item 7 (button A) and item 8 (button B), in Figure 2 )
on the 6410N Digital to Analog Audio Converter.
12 6410N, 6420N - 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 following:
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-75
BNC output connector to an AES-75
acceptor
(for example, a DAT-Recorder)
Using a 110
shielded twisted pair cable, connect the AES/EBU detachable terminal block output connector 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-Recorder)
Connect the OPTICAL output connector to an optical acceptor (for example, a DAT-Recorder)
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 unit
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.
6410N, 6420N - Using the Audio Converters 13
Figure 7: Connecting the 6420N Analog to Digital Audio Converter
14 6410N, 6420N - Using the Audio Converters
6 Technical Specifications
6.1 6410N Specifications
INPUTS:
OUTPUTS:
SAMPLE RATE CONVERSION:
CONVERSION GAIN:
BANDWIDTH (+4dBu/-3dBu):
MAX. OUTPUT LEVEL:
S/N RATIO:
AUDIO THD + NOISE:
AUDIO 2nd HARMONIC:
CONTROLS:
POWER CONSUMPTION:
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
HUMIDITY:
DIMENSIONS:
WEIGHT:
INCLUDED ACCESSORIES:
OPTIONAL:
4 digital audio inputs: AES 75 ; AES/EBU; S/PDIF; TosLink
Optical
2 analog outputs: balanced line out on detachable terminal blocks; 3.5mm headphone jack
32kHz, 44.1kHz, 48kHz, 96kHz
+12dB, +16dB, +20dB,+24dB
20Hz to 22kHz
11.2Vpp @1kHz
88dB
-92dB
0.003%
Input selector buttons, 8 gain switches, headphones level rotary control knob, 2 LEDs: ON and LINK
12V DC/1.25A, 150mA
0° to +40°C (32° to 104°F)
-40° to +70°C (-40° to 158°F)
10% to 90%, RHL non-condensing
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
Specifications are subject to change without notice at http://www.kramerelectronics.com
6.2 6420N Specifications
INPUTS:
OUTPUTS:
SAMPLE RATE CONVERSION:
MAX. INPUT LEVEL:
CONVERSION GAIN:
CONTROLS:
COUPLING:
POWER CONSUMPTION:
OPERATING TEMPERATURE:
STORAGE TEMPERATURE:
HUMIDITY:
DIMENSIONS:
WEIGHT:
INCLUDED ACCESSORIES:
OPTIONAL:
1 analog input balanced line in (10k) on detachable terminal blocks
4 digital audio outputs: AES 75
; AES/EBU; S/PDIF; TosLink
Optical
32kHz, 44.1kHz, 48kHz, 96kHz
11.2Vpp @1kHz
-12dB, -16dB, -20dB,-24dB
4 sample rate selector switches, system bit selector switch, 8 gain switches, ON LED
AC
12V DC/1.25A, 150mA
0° to +40°C (32° to 104°F)
-40° to +70°C (-40° to 158°F)
10% to 90%, RHL non-condensing
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
Specifications are subject to change without notice at http://www.kramerelectronics.com
6410N, 6420N - Technical Specifications 15
16 6410N, 6420N - Technical Specifications
For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found.
We welcome your questions, comments, and feedback.
Web site: www.kramerelectronics.com
E-mail: [email protected]
!
SAFETY WARNING
Disconnect the unit from the power supply before opening and servicing
Rev: 3 P/N: 2900- 000317
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