User`s guide
User's Guide HDSPe MADI FX © RME
79
AES/EBU 
•  XLR, transformer-balanced, galvanically isolated, according to AES3-1992 
•  Output level Professional 4.5 Vpp, Consumer 2.6 Vpp 
•  Format Professional according to AES3-1992 Amendment 4 
•  Format Consumer (SPDIF) according to IEC 60958 
•  Single Wire mode, sample rate 28 kHz up to 200 kHz 
Word Clock 
• BNC 
•  Max. output voltage: 5 Vpp 
•  Output voltage @ 75 Ohm termination: 4.0 Vpp 
•  Output impedance: 10 Ohm 
•  Frequency range: 28 kHz – 200 kHz 
Stereo Monitor Output (Phones) 
•  Signal to Noise ratio (SNR): 115 dB RMS unweighted, 118 dBA @ 44.1 kHz (unmuted) 
•  THD: < - 104 dB, < 0.00063 % 
•  THD+N: < -102 dB, < 0.0008 % 
•  Crosstalk: > 100 dB 
•  Frequency response @ 44.1 kHz, -0.5 dB: 5 Hz – 22 kHz 
•  Frequency response @ 96 kHz, -0.5 dB: 5 Hz – 45.9 kHz 
•  Frequency response @ 192 kHz, -1 dB: 5 Hz – 66.5 kHz 
•  Output: 6.3 mm / 1/4" TRS jack 
•  Output impedance: 75 Ohm 
•  Output level @ 0 dBFS: +13 dBu 
29.3 Digital 
•  Clocks: Internal, MADI In, Word Clock In, AES In 
•  Low jitter design: < 1 ns in PLL mode, all inputs 
•  Internal clock: 800 ps jitter, random spread spectrum 
•  Jitter suppression of external clocks: about 30 dB (2.4 kHz) 
•  Effective clock jitter influence on DA conversion: near zero 
•  Provides nearly jitter-free word clock directly from the MADI input signal 
•  Input PLL ensures zero dropout, even at more than 100 ns jitter 
•  Supported sample rates: 28 kHz up to 200 kHz 
•  Compliant with PCI Express Base Specification v1.1 
•  1-Lane PCI Express Endpoint device (no PCI Express to PCI Bridge) 
•  2.5 Gbps line speed 
•  Packet-based full-duplex communication (up to 500 MB/s transfer rate) 
29.4 MIDI 
•  1 x MIDI I/O via breakout cable 
•  3 x MIDI I/O via MADI 
•  PCIe bus based hi-speed operation 
•  Separate 128 byte FIFO for input and output 
•  MIDI state machine in hardware for reduced interrupt request load 
•  Invisible transmission via User bit of channel 56 (up to 48 kHz) 
•  Invisible transmission via User bit of channel 28 (up to 96 kHz) 










