Technical Data DAC768:
The technical data given here are valid at room temperature (+25°C) and power supply
from the APU768 preamp:
dB-values given in brackets (-5dB) are valid for the actual
measurent:
Features of the Analogue Outputs:
| Output voltage maximal (0dB) balanced (XLR): |
5.0Veff = +14dBV |
| Output voltage maximal (0dB) unbalanced (Cinch): |
2x 2.5Veff = 2x +8dBV |
| Output impedance balanced (XLR): |
44Ω |
| Output impedance unbalanced (Cinch): |
22Ω each |
| Intermodulation products @ 10kHz (-1dB): |
<-110dBc |
| THD+N residual 1kHz (0dB): |
<-95dBc |
| THD+N vs frequency DC-20kHz unweighted (0dB): |
<-95dBc |
| Signal to noise ration unweighted (0dB): |
<-93dB |
| Signal to noise ration A-weighted (0dB): |
<-96dB |
| Output offset voltage: |
+/- 20mV max. |
Analogue Transfer Functions:
| Coupling: |
DC (no lower corner frequency, no coupling capacitors) |
| Frequency slope DC-10kHz: |
+0/-0.05dB |
| Frequency slope 10-20kHz: |
+0/-0.10dB |
| Frequency slope 20-40kHz: |
+0/-0.80dB |
Digital Features:
| Sampling frequency at playback: |
768kHz |
| Number of bits: |
1x 24Bit |
| Working frequency of the DSP (ADSP2184N): |
49.152MHz (1024x 48kHz) |
| Word length / Accumulator of the DSP (ADSP2184N): |
16Bit / 48Bit |
| Working frequency of the D/A-Converter: |
24.576MHz (512x 48kHz) |
| Digital input data stream: |
1x 49.152MBd |
| Number of D/A-Converter: |
4 pairs, (4x AD1853) |
Power Supply:
| Supply voltage extern: |
DC +5.4V to +7.2V, +6.0V nominal |
| Power consumption: |
2.5W |
Connectors:
| Connector of the digital audio input: |
SMA 50Ω female gold plated (standardized RF-connector) |
| Connector for balanced outputs: |
XLR plug |
| Connectors for unbalanced outputs: |
2x Cinch socket gold plated |
| Connectors for external power supply: |
DC-plug Ø5.5/2.1mm |
Temperatures:
| Temperature range operating (room temperature): |
+10°C to +40°C |
| Temperature range storage (transportation also): |
0°C to +70°C |
Mechanical Figures:
| Available colour: |
Al-nature |
| Dimensions in mm (WxHxD) without connectors: |
160 x 52 x 101 |
| Dimensions in mm (WxHxD) connectors: |
160 x 52 x 117 |
| Weight: |
765g |
Safety:
| Electrical Safety: |
according EN 60065: 2002 |
| Safety against squirting water: |
according IPX4 |
CE-Approval:
| Emission: |
EN 55013: 2000, EN 61000-3-2: 2000 and EN 61000-3-3: 1996 |
| Disturbing influence: |
EN 55020: 2000 |
| Electrical discharge: |
EN 61000-6-1: 2001 |
State of information: 05. October 2004. Data given are subject of change without notice.
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