RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface User Manual

Page 109

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User's Guide Fireface UCX II

© RME

109

DA - Stereo Monitor Output Phones (7-8)

As DA, but:

Output: 6.3 mm TRS stereo jack, unbalanced

Maximum output level at 0 dBFS, High: +19 dBu

Maximum output level at 0 dBFS, Low: +4 dBu

Output impedance: 1 Ohm

Max power per channel @ 32 Ohm load, 0.1% THD: 210 mW (2.6 Vrms, +10.5 dBu)


39.2 MIDI

1 x MIDI I/O via 5-pin DIN jacks

Galvanically isolated by optocoupled input

Hi-speed mode: Jitter and response time typically below 1 ms

Separate 128 byte FIFOs for input and output


39.3 Digital

Clocks: Internal, ADAT, AES, SPDIF, word clock

Jitter suppression of external clocks: > 50 dB (2.4 kHz)

Effective clock jitter influence on AD and DA conversion: near zero

PLL ensures zero dropout, even at more than 100 ns jitter

Digital Bitclock PLL for trouble-free varispeed ADAT operation

Supported sample rates: 28 kHz up to 200 kHz


39.4 Digital Inputs


AES/EBU

1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992

High-sensitivity input stage (< 0.3 Vpp)

SPDIF compatible (IEC 60958)

Accepts Consumer and Professional format

Lock range: 27 kHz

– 200 kHz

Jitter suppression: > 50 dB (2.4 kHz)


SPDIF coaxial

1 x RCA, according to IEC 60958

High-sensitivity input stage (< 0.3 Vpp)

Accepts Consumer and Professional format, copy protection will be ignored

Lock Range: 27 kHz

– 200 kHz

Jitter suppression: > 50 dB (2.4 kHz)

ADAT Optical

1 x TOSLINK, format according to Alesis specification

Standard: 8 channels 24 bit, up to 48 kHz

Double Speed (S/MUX): 4 channels 24 bit 96 kHz

Quad Speed (S/MUX4): 2 channels 24 bit 192 kHz

Bitclock PLL ensures perfect synchronisation even in varispeed operation

Lock range: 31.5 kHz

– 50 kHz

Jitter suppression: > 50 dB (2.4 kHz)

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