User Manual
30 
User’s Guide M-32 AD © RME 
15. Technical Specifications 
15.1 Analog 
Line In 1-8, TRS/D-Sub 
•  Input: 6.3 mm TRS jack and D-sub 25-pin, servo-balanced 
•  Input impedance: 10 kOhm 
•  Input sensitivity switchable +24 dBu, +19 dBu, +13 dBu @ 0 dBFS 
Analog Limiter 
•  Maximum analog input level unclipped: +30 dBu 
•  Threshold On: -3 dBFS 
•  Threshold Off: +3 dB 
•  THD+N: 0.03%, -52 dB 
•  Attack time: 5 ms 
•  Release time: 2-step, digitally controlled 
AD-Conversion 
•  Resolution: 24 bit 
•  Signal to Noise ratio (SNR) @ +24 dBu, 44.1 kHz: 112.9 dB RMS unweighted, 117 dBA 
•  Signal to Noise ratio (SNR) @ +19 dBu: 112.7 dB RMS unweighted, 116 dBA 
•  Signal to Noise ratio (SNR) @ +13 dBu: 112.2 dB RMS unweighted, 116 dBA 
•  Frequency response @ 44.1 kHz, -0,5 dB: 5 Hz – 21.5 kHz 
•  Frequency response @ 96 kHz, -0,5 dB: 5 Hz – 45.5 kHz 
•  Frequency response @ 192 kHz, -1 dB: 5 Hz – 66.5 kHz 
•  THD: < -110 dB, < 0.00032 % 
•  THD+N: < -104 dB, < 0.00063 % 
•  Channel separation: > 110 dB 
15.2 Digital Inputs 
ADAT Optical 
•  1 x TOSLINK, according to Alesis specification 
•  Bitclock PLL ensures perfect synchronisation even in varispeed operation 
•  Lock Range: 31.5 kHz – 50 kHz 
•  Jitter when synced to input signal: < 1 ns 
•  Jitter suppression: > 30 dB (2.4 kHz) 
Word Clock 
•  BNC, not terminated (10 kOhm) 
•  Switch for internal termination 75 Ohm 
•  Automatic Double/Quad Speed detection and internal conversion to Single Speed 
•  SteadyClock guarantees super low jitter synchronization even in varispeed operation 
•  Not affected by DC-offsets within the network 
•  Signal Adaptation Circuit: signal refresh through auto-center and hysteresis 
• Overvoltage protection 
•  Level range: 1.0 Vpp – 5.6 Vpp 
•  Lock Range: 27 kHz – 200 kHz 
•  Jitter when synced to input signal: < 1 ns 
•  Jitter suppression: > 30 dB (2.4 kHz) 










