User Manual

User's Guide AO4S-192 AIO

1. Introduction

Thank you for choosing the AO4S-192. This analog expansion board adds 4 analog outputs in

professional quality to RME's HDSPe AIO. Level adjustment, balanced circuit design, 118 dBA

SNR and highest suppression of PC-noise guarantee perfect sound quality.

2. Package Contents

Please ensure that all the following parts are included in the AO4S-192 AIO's packaging box:

• Analog Expansion Board

• 1 flat ribbon cable, 26 pins

• 1 set of nuts

• Manual, drill template

3. Hardware Requirements

The AO4S-192 AIO can only be connected to the HDSP 9632. No more than one AO4S-192

can be connected to each card.

4. Technical Specifications

• Resolution DA: 24 Bit

• Signal to Noise ratio (SNR): 114 dB RMS unweighted, 118 dBA @ 44.1 kHz (unmuted)

• THD: < - 104 dB, < 0.00063 %

• THD+N: < -102 dB, < 0.0008 %

• Crosstalk: > 110 dB

• Maximum output level: +19 dBu

• Frequency response @ 44.1 kHz, -0.5 dB: 1 Hz – 22 kHz

• Frequency response @ 96 kHz, -0.5 dB: 1 Hz – 34 kHz

• Frequency response @ 192 kHz, -0.5 dB: 1 Hz – 50 kHz

• Output: 4 x 1/4" TRS jack, balanced

• Output impedance: 50 Ohm

• Output level: Hi Gain, +4 dBu, -10 dBV

• Output level at 0 dBFS @ Hi Gain: +19 dBu

• Output level at 0 dBFS @ +4 dBu: +13 dBu

• Output level at 0 dBFS @ -10 dBV: +2 dBV

• Power supply via flat cable

• Standard bracket, board dimensions: 90 x 95 mm