Web Developer's Journal internet.com The Tapeless Studio


An external analog/digital digital/analog converter can be used in conjunction with a digital soundcard. Benefits: DA/AD conversion takes place away from noisy computer components, and your setup is much more flexible. The Big DAADi is a good mid-priced choice for a DA/AD converter.
Big DAADi Audio AD/DA Converter:

$599.00 List Price

Tracer Technologies Inc.
1100% Pennsylvania Ave #101
York PA 17404

717-843-5833
717-843-2264 fax

E-Mail: info@ tracertek.com
Web: Tracertek.com


Spec Sheet

Analog I/O:Left & Right Inputs, Left & Right Outputs, all both balanced XLR and unbalanced 1/4" jacks.
  • Input Impedance: 20k bal 10k unbal
  • Max Input Level: +25 dBu bal
  • Output Impedance: 580 ohms bal
  • Max Output Level: +25 dBu bal


Digital I/O:
  • AES/EBU In & Out (XLR Jacks)
  • S/PDIF In & Out (RCA Jacks)

D/A and A/D Conversion:20-bit oversampling delta sigma

Sample Rates:
  • 48 kHz
  • 44.1 kHz
  • 32 kHz

THD+N: less than -90 dBFS @ 1 kHz

SNR: greater than 95 dBFS @ 1 kHz

Frequency Response (44.1 or 48k sample rate): 20 Hz-20 kHz, ± 1 dB



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Rackmount 20-Bit D/A - A/D Converter

Big DAADI Audio AD/DA Converter

by Charlie Morris

This is a stand-alone Digital-to-Analog/Analog-to-Digital converter, hence DAADi. Traditionally, devices that record digital audio, such as a DAT machine or audio card, had their own built-in DAAD converters. However, there are a number of reasons to have a dedicated DAAD converter, and they are growing in popularity.
February 25, 1999

The most compelling reason is quality. A dedicated 20-bit box like the Big DAADi is of better quality than the converters included in many DATs and cards. DAT recorders also have notoriously mediocre meters. Another reason for a dedicated DAADi is that it allows you to integrate various digital audio components more smoothly. As many engineers have found to their sorrow, the meters on different brands of DAT machines are by no means calibrated alike. A recording that sounds fine on a Tascam DAT may clip on a Panasonic, or when you record from a DAT to a digital audio card. With a stand-alone converter, all the digital audio goes through the same box, and the same meters, avoiding compatibility problems.

This unit has a flexible and convenient configuration. Both S/PDIF and AES/EBU digital formats are supported, and both balanced and unbalanced analog I/O is provided.


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