RME Fireface UCX II 40-Channel Advanced USB Audio Interface

Resolution AD: 24 bit
Signal to Noise ratio (SNR): 112dB RMS unweighted, 115dBA
Frequency response @ 44.1kHz, -0.1dB: 5Hz - 20.8kHz
Frequency response @ 96kHz, -0.5dB: 3 Hz - 45.8kHz
Frequency response @ 192kHz, -1 dB: 2Hz - 92kHz
THD: < -110 dB, < 0.00032%
THD+N: <-104 dB, < 0.00063%

Channel separation: > 110dB
Input: 6.3mm TRS jack, electronically balanced
Input impedance: 8kOhm unbalanced, 12kOhm balanced
Input sensitivity switchable to +19dBu and +13dBu
Variable gain: 0 to +12dB
Minimum level for 0dBFS: +1dBu, -1.2dBV

Additional Gain stage: 0 up to +12 dB
Maximum input level, +19 dBu, Gain 0 dB: Line +19 dBu, Inst +13 dBu
Maximum input level, +13 dBu, Gain 12 dB: Line +1 dBu, Inst -5 dBu
Input impedance: Instrument 1 MOhm. Line 13 kOhm balanced, 9 kOhm unbalanced
Input Gain Inst: +6 dB
Input mode: Line balanced (TRS), Inst unbalanced (TS)

Input: XLR, electronically balanced
Input impedance: 5.4 kOhm
Gain range: 75 dB
Maximum input level, Gain 0 dB: +18 dBu
Maximum input level, Gain 75 dB: -57 dBu
EIN: -128 dBu A-weighted, 60 dB gain,150 Ohm, 20 Hz - 20 kHz

Input: TRS, electronically balanced
Input impedance: 10 kOhm balanced, 5 kOhm unbalanced
Maximum input level, Gain 0 dB: +24 dBu
Maximum input level, Gain 75 dB: -51 dBu

Resolution: 24 bit
Dynamic range(DR): 112dB RMS unweighted, 115dBA
Frequency response @ 44.1kHz, -0.5dB: 5Hz-20.8kHz
Frequency response @ 96kHz, -0.5dB: 5 Hz - 45 kHz
Frequency response @ 192kHz, -1dB: 5Hz-89kHz
THD: < -108 dB, < 0.0004 %
THD+N: < 104 dB, < 0.00063%

Channel separation: > 110dB
Maximum output level: +19dBu
Output: 6.3mm TRS jack, servo-balanced
Output impedance: 75 Ohm
Output level switchable +19dBu, +13dBu, +4dBu

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)

1x 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

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

1x 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)

1x 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)

1x 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)
SPDIF compatible (automatic detection)

BNC
Internal termination 75Ohm switchable
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: 27kHz-200kHz
Jitter suppression:>50 dB (2.4kHz)

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

1x RCA, according to IEC 60958
Output level Professional 1.2 Vpp, Consumer 0.6 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

1x 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

BNC
Max. output voltage: 5 Vpp
Output voltage @ 75 Ohm termination: 4.0 Vpp
Output impedance: 10 Ohm
Frequency range: 27 kHz - 200 kHz

External power supply

13 Watts

910 mA (11 Watts)

41 Degree F up to 122 Degree F (+5 Degree up to +50 Degree Celsius)

< 75%, non condensing

Included Rack ears Full Depth: 10.16 x 1.73 x 6.1" (258 x 44 x 155mm)
Without Rack ears Body Depth: 8.5 x 1.73 x 5.1" (215 x 44 x 130mm)

2.0 lbs (910g)

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