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Weiss - INT204
USB/DSD Interface

Product Overview

You may own your favorite D/A Converter already. It may be not the latest and greatest, but you like its sound and its looks and features. So you don’t like the idea to get another DAC just to be able to connect the computer. This is where our interfaces come in (also see the INT202/INT203 interfaces described elsewhere). They allow to connect any DAC to any computer. And this in a decent way, with the computer slaved to the internally generated clock and with absolute bit transparency.

The INT204 is a USB to AES/EBU (unidirectional) interface. It also handles DSD to PCM conversion, thus if a DSD files is played on the computer the INT204 converts the DSD data to PCM at a selectable sampling frequency and word-length. Your trusted D/A Converter thus all of a sudden becomes a DSD capable DAC.

Main Features

Mechanics

The INT204 is housed in a silver anodized aluminum frame.??

Power Supply

Two power sources are required for the INT204. One is the bus power fed via the USB connector, the other is an external power supply which is supplied with the INT204 unit. This scheme allows to have the input and output sections of the INT204 galvanically isolated.

Synchronization

The sampling frequency is generated with an internal generator in the INT204. This makes sure the transfer between computer and D/A Converter is low jitter.

Digital Input

A USB type B connector is used a connection to the computer.

Digital Outputs
?
There are one XLR socket, one BNC socket and one RCA socket. BNC and RCA sockets are driven by the same driver chip.

Front panel controls

There are eight LEDs for sampling frequency display and power status. A switch allows to select the sampling frequency when doing DSD to PCM conversion (176.4 or 88.2 kHz). Another switch selects the word-length when doing DSD to PCM conversion (24 or 16 Bit). A power switch handles the power on/off for the external power supply input.

Back panel elements from left to right

There is a power inlet for the external power supply, the USB connector, the three output connectors (BNC, RCA, XLR).

Software features?

The INT204 can do DSD to PCM conversion at selectable sampling frequencies and word-length (88.2 or 176.4 kHz and 16 or 24 Bit). The DSD input is in the DoP format with a sampling frequency of DSD64 (2.8224 MHz).

Technical Data

Power

External power supply, requirement is 6…9V at 0.15 A

Size

Depth: 16,5 cm
Width: 10,5 cm
Height: 4,4 cm
Height with feet: 4,7 cm

Available Color

Silver

Digital Input

(1) USB type B connector

Digital Outputs

(1) BNC connector
(1) RCA connector
(1) XLR connector

Word-length up to 24 Bits

Supported sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz

Synchronization

Sampling frequency is generated internally?.

Supported sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, DSD64

DSP algorithms

?Conversion from DS64 to PCM at 88.2 kHz or 176.4 kHz and 16 Bits or 24 Bits?

Configurations

Choosing the proper interface model depends on the computer and D/A Converter at hand. And on your preferences. Here are some guidelines:

  • You would like to use Firewire or Thunderbolt connections to your computer: Choose the INT202 or INT203 described elsewhere.
  • Your DAC supports the 176.4 kHz or 192 kHz sampling frequencies with the dual wire scheme only: Choose the INT202 described elsewhere.
  • You would like to have a volume control feature: Choose the INT202 or INT203 described elsewhere.
  • You would like to have an input to the computer as well: Choose the INT203 described elsewhere.
  • You would like to connect the computer via USB: Choose the INT204.
  • You would like to play back DSD files on a standard PCM D/A Converter: Choose the INT204.

 

 

 

 


 
 
 
 
 
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