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DIG-CXXXX  Splash
 
 
Overview Configurations Specifications User's Manual
 
Overview
 

This device is quite possibly the world's smallest sound card! The DIG-CXXXX is a digital sound card providing up to three independently operating digital audio outputs for Mark 2 and Mark 2A Empeg Car MP3 players as well as RioCar MP3 players. It has been specifically designed to fit in the location shown below:

 
     
 
 
Thumbnail of installation
(Click to enlarge)
 
 
 

Update: The DIG-CXXX has now been tested and verified to work with Kenwood Music Keg MP3 audio systems. A simple 5 minute procedure is all that is needed to enable the DIG-CXXXX to provide pristine S/PDIF digital audio through Coaxial or TOSlink interfaces.

By using digital signals, your music will be less susceptible to interference picked up in ordinary analog cables. What's more, by using a digital interface, your music can be converted from the digital format that all digital audio files such as MP3s are in to analog by much higher quality external circuitry than is present on the MP3 player's own circuitry. Depending on the converter used, your analog output levels can now more closely match the levels of other audio equipment in your system. Use a quality digital to analog converter and you won't be disappointed.

No expense has been spared in the design. Gold plated connectors abound. Unlike most computer sound cards, the DIG-CXXXX is equipped with an isolation transformer to eliminate the possibility of distracting ground loops from appearing in your music.

Features
  • Small size does not require user to give up hard drive bay
  • High quality construction for reliability and maximum sound quality
  • Flexible three-interface output lets the user connect to almost any device
  • Adaptable to any digital audio device with available
  • digital audio IC signals
  • Does not affect the analog outputs of the player in anyway
  • Simultaneous analog and digital outputs possible
 
 
   
Configurations
 
 
 

The sound card is available in one of three basic configurations:

Coaxial TOSlink I2S
The default standard for digital transmission of audio over cable. Timing and audio data are combined and conveyed over 75 ohm coaxial cable using electrical pulses in the S/PDIF format. For best reliability and sound quality, only high quality video cables or cables labeled for digital audio use should be used. This format is found on many CD players, digital tape recorders, Mini disc recorders, and some mobile audio equipment. It conveys the same S/PDIF digital audio standard used in the coaxial format, but using pulses of light transmitted over special TOSlink digital fiber optic cabling. It is especially well-suited for applications subject to strong electrical interference to which it is completely immune. This standard is considered the best method of the three for transmitting digital audio because it maintains separation of the various timing signals from the digital audio data until the signal reaches the digital to analog converter. By maintaining this separation, jitter, a timing error that sometimes degrades digital audio transmissions is reduced. Use this format if you have the ancillary equipment and are concerned about getting the ultimate in sound quality.
 
View of installed outputs
Thumbnail of jacks
(Click to enlarge)

 

All models come equipped with coaxial S/PDIF output. Other models feature TOSlink S/PDIF and/or I2S outputs. Kits are also available to advanced users that wish to build their own from scratch and are comfortable working with surface mount components. Assembled models listed below require some assembly. Installation requires the use of an electronic soldering iron. If you are not experienced with such tools, it is recommended that you seek assistance from someone with the necessary skills.

Please see below for a complete listing of models.

 

  Model: DIG-C
 
 

What's Included:

  • 1- DIG digital sound card
  • 1- Signal/Power cable
  • 1- Coaxial cable harness with panel mount RCA jack
   
Price:$99.99 + shipping
  Model: DIG-CI2S
 
 

What's Included:

  • 1- DIG digital sound card
  • 1- Signal/Power cable
  • 1- Coaxial cable harness with panel mount RCA jack
  • 1- I2S cable harness with panel mount 5-pin mini-DIN jack
   
Price:$119.99 + shipping
  Model: DIG-CO
 
 

What's Included:

  • 1- DIG digital sound card
  • 1- Signal/Power cable
  • 1- Coaxial cable harness with panel mount RCA jack
  • 1- TOSlink cable harness with panel mount TOSlink jack
   
Price:$129.99 + shipping
  Model: DIG-COI2S
 
 

What's Included:

  • 1- DIG digital sound card
  • 1- Signal/Power cable
  • 1- Coaxial cable harness with panel mount RCA jack
  • 1- TOSlink cable harness with panel mount TOSlink jack
  • 1- I2S cable harness with panel mount 5-pin mini-DIN jack
   
Price:$144.99 + shipping
  Unassembled Kits
   
 

What's Included:

  • 1- Printed circuit board with silk-screen and solder mask
  • 1- Set of surface mount and through hole components
  • 1- of each output harness corresponding to the model of kit
  • 1- Signal/Power cable
   
Price: -$30.00 from corresponding assembled kits above
 
Specifications
 

Board Dimensions:

  • 2.750" (70.0mm) x 1.125" (28.6mm) x .3125"
  • (7.9mm)
  • 1 oz

Power Requirements:

  • Approximately 105 mA maximum, all outputs driven
  • Approximately .525 watts maximum, all outputs driven
  • +5 volts DC supply voltage

Supported Digital Interfaces:

  • S/PDIF 75 Ohm RCA coaxial
  • S/PDIF 660 nm TOSlink optical
  • I2S TTL 5-pin mini-DIN, Audio Alchemy Standard

Operating Conditions:

  • 14 - 158 degrees Fahrenheit (-10 to 70 degrees Celsius)
Specifications subject to change without notice.
 
 

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