Digital inputs: 1 optical input (Toslink 176, format EIAJ CP-340/RC-5720) 
2 unbal. inputs (2 x Cinch, format SPDIF), input resistance 75 Ohms,
1 bal. input (XLR, format AES/EBU), input resistance 110 Ohms 
all Cinch- and XLR inputs are transformer-coupled

Maximal input word length: 24 bit 

Input sampling rates: 32 kHz / 44,1 kHz / 48 kHz (PLL synchronisized),  
amplitude: SPDIF: 0,2 Vss to 1,2 Vss,  AES/EBU: 0,5 Vss to 5 Vss 

Digital outputs: 1 optical output (toslink 176, format EIAJ CP-340/RC-5720) 
1 unbal. output (cinch, format SPDIF), amplitude: 0,42 Vss into 75 Ohms 
1 bal. output (XLR, format AES/EBU), amplitude: 3,0 Vss into 110 Ohms 
cinch- and XLR outputs are transformer-coupled

Digital filter: multiplier with 32 bit accumulator, 8-times oversampling, 
3-pol FIR filter with constant group delay, digital deemphasis, 
stopband attenuation >118 dB, passband signal ripple < +/- 0,00002 dB 

Analog filter: impulse-, phase- and group delay optimized GIC filter 

Analog output: output voltage: 2,27 Veff into 10 kOhms at digital 0 dBFS, 
Output resistance: 39 Ohms, level difference left/right at 1 kHz: <0,08 dB  

Frequency response: <2 Hz - 20 kHz  -0,9 dB   (one channel shown in diagram) 

Crosstalk: 122 dB (at 1 kHz, digital 0 dBFS, opposite channel 
digital -999 dBFS)

Max. DC output offset: +/- 12 mV (at digital -999 dBFS)  

Signal to noise ratio: -102,5 dB (A-weighted, referenced to 500 mVeff, input digital -999 dBFS, 
shields of output jacks floating) 

Total harmonic distortion (THD+N): 0,0015 % at 2,27 Veff into 10 kOhms (input: 24 bit, 1 kHz, digital 0 dBFS, 
shields of output jacks floating, measuring bandwidth 22 Hz - 22 kHz) 

Harmonic spectrum at 1 Veff output (24 bit, 1 kHz):






Typical deviation from ideal converter linearity (24 bit, 1 kHz):  (one channel shown in diagram)
 

Dimensions: W 284mm * H 70mm * D 260mm (converter) 
W 133mm * H 70mm * D 240mm (external power supplies) 

Weight: 8,7 kg (digital to analog converter inclusive 2 external power supplies)