RME Fireface UCX II 40-Channel USB-B Audio/MIDI Interface - Manual (Page 108)

108 User's Guide Fireface UCX II © RME
39. Technical Specifications
39.1 Analog
AD, Line In 5-8, rear

Resolution AD: 24 bit

Signal to Noise ratio (SNR): 112 dB RMS unweighted, 115 dBA

Frequency response @ 44.1 kHz, -0.1 dB: 5 Hz – 20.8 kHz

Frequency response @ 96 kHz, -0.5 dB: 3 Hz – 45.8 kHz

Frequency response @ 192 kHz, -1 dB: 2 Hz – 92 kHz

THD: < -110 dB, < 0.00032 %

THD+N: < -104 dB, < 0.00063 %

Channel separation: > 110 dB

Input: 6.3 mm TRS jack, electronically balanced

Input impedance: 8 kOhm unbalanced, 12 kOhm balanced

Input sensitivity switchable to +19 dBu and +13 dBu

Variable gain: 0 to +12 dB

Minimum level for 0 dBFS: +1 dBu, -1.2 dBV
Line In 3-4, front

as AD, but:

Additional digital 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)
Microphone In 1-2, front
As AD, but:

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
Line In 1-2
As AD, but:

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
DA, Line Out 1-6, rear

Resolution: 24 bit

Dynamic range (DR): 112 dB RMS unweighted, 115 dBA

Frequency response @ 44.1 kHz, -0.5 dB: 5 Hz – 20.8 kHz

Frequency response @ 96 kHz, -0.5 dB: 5 Hz – 45 kHz

Frequency response @ 192 kHz, -1 dB: 5 Hz - 89 kHz

THD: < -108 dB, < 0.0004 %

THD+N: < -104 dB, < 0.00063 %

Channel separation: > 110 dB

Maximum output level: +19 dBu

Output: 6.3 mm TRS jack, servo-balanced

Output impedance: 75 Ohm

Output level switchable +19 dBu, +13 dBu, +4 dBu