Alesis Hammerfall DSP System manual Technical Specifications, Inputs, Outputs

29. Technical Specifications

29.1 Inputs

MADI

•Coaxial via BNC, 75 Ohm, according to AES10-1991

•High-sensitivity input stage (< 0.2 Vpp)

•Optical via FDDI duplex SC connector

•62.5/125 and 50/125 compatible

•Accepts 56 channel and 64 channel mode, plus 96k Frame

•Standard: up to 64 channels 24 bit 48 kHz

•S/MUX: up to 32 channels 24 bit 96 kHz

•Lock range: 25 kHz – 54 kHz

•Jitter when synced to input signal: < 1 ns

Word Clock

•BNC, not terminated (10 kOhm)

•Switch for internal termination 75 Ohm

•Automatic Double/Quad Speed detection and conversion to Single Speed

•SteadyClock guarantees super low jitter synchronization even in varispeed operation

•Transformer coupled, galvanically isolated input

•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 Vpp

•Lock range: 28 kHz – 105 kHz

•Jitter when synced to input signal: < 1 ns

•Jitter suppression: > 30 dB (2.4 kHz)

29.2 Outputs

MADI

•Coaxial via BNC, 75 Ohm, according to AES10-1991

•Output voltage 600 mVpp

•Output voltage 1.2 Vpp optional, via jumper

•Cable length: up to 100 m

•Optical via FDDI duplex SC connector

•62.5/125 and 50/125 compatible

•Cable length: up to 2000 m

•Generates 56 channel and 64 channel mode, plus 96k Frame

•Standard: up to 64 channels 24 bit 48 kHz

•S/MUX / 96k Frame: up to 32 channels 24 bit 96 kHz

Word Clock

•2 x BNC, separated driver stage

•Max. output voltage: 5 Vpp

•Output voltage @ 75 Ohm termination: 4.0 Vpp

•Output impedance: 10 Ohm

•Frequency range: 28 kHz – 105 kHz

User's Guide HDSP MADI © RME 67