User Manual
4
User's Guide ADI-4 DD © RME
4. Technical Specifications
• Power supply: External power supply, 100-240 V AC, 10 Watts
• Accepted power supply voltage: DC 7 V – 38 V, AC 7 V – 27 V
• Current at 12 V: > 400 mA (> 5 Watts)
• Dimensions: 215 x 44 x 100 mm
• Weight: 1 kg
4.1 Inputs
AES/EBU
• 1 x XLR, 4 x via 25 pin D-Sub, transformer balanced, ground-free, according to AES3-1992
• High-sensitivity input stage (< 0.3 Vss)
• SPDIF compatible (IEC 60958)
• Accepts Consumer and Professional format, copy protection will be ignored
• Single Wire: 4 x 2 channels 24 bit, up to 96 kHz
• Double Wire: 4 x 2 channels 24 bit 48 kHz, equalling 4 channels 96 kHz
• Lock range: 27 kHz – 103 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 30 dB (2.4 kHz)
ADAT Optical
• 2 x TOSLINK, according to Alesis specification
• Standard: 8 channels 24 bit, up to 48 kHz
• Copy Mode: up to 2 x 8 channels 24 bit / 48 kHz
• Sample Split (S/MUX): 2 x 8 channels 24 bit / 48 kHz, equalling 8 channels 24 bit 96 kHz
• Bitclock PLL ensures perfect synchronisation even in varispeed operation
• Lock range: 31.5 kHz – 56 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 Speed detection and internal conversion to Single Speed
• SteadyClock guarantees super low jitter synchronization even in varispeed operation
• AC-coupling, not effected by DC-offsets within the network
• Signal Adaptation Circuit: signal refresh through auto-center and hysteresis
• Overvoltage protection
• Level range: 1.0 Vss – 5.6 Vss
• Lock range: 27 kHz – 112 kHz
• Jitter when synced to input signal: < 1 ns
• Jitter suppression: > 30 dB (2.4 kHz)










