Sierra Video 507140 - Manual (Page 5)

Specifications:
Input
4 analog audio inputs configured as 2 stereo pair
Impedance:
> 20Kohm
Common Mode Regection Better than -60 dB
Maximum Input Level Adjustable in 5 dB step from -1 dBu to +29 dBu
Outputs
AES
output 110 ohm balanced
SPIF output 75 ohm unbalanced
Jitter < +/- 20 nsec
Conversion
128xFs Digital over sampling filter
Sample rates 32Khz, 44.1Khz, 48Khz or locked to an external reference
Signal to noise -95 dB min (typical -105 dB) A-Weighted
THD 0.006% @ maximum input level
0.01% @ -20dB from max input level
Frequency Response 20Hz to 20Khz +-0.2 dB (48Khz sampling rate)