14
EURORACK UB1222FX-PRO
5. SPECIFICATIONS
Mono inputs
Microphone inputs (IMP Invisible Mic Preamp)
Type XLR, electronically balanced,
discrete input circuitry
Mic E.I.N. (20 Hz - 20 kHz)
@ 0 Ω source resistance -134 dB / 135.7 dB A-weighted
@ 50 Ω source resistance -131 dB / 133.5 dB A-weighted
@ 150 Ω source resistance -129 dB / 130.5 dB A-weighted
Frequency response <10 Hz - 150 kHz (-1 dB),
<10 Hz - 200 kHz (-3 dB)
Gain range +10 to +60 dB
Max. input level +12 dBu @ +10 dB Gain
Impedance approx. 2.6 kΩ balanced
Signal-to-noise ratio 110 dB / 112 dB A-we ighted
(0 dBu In @ +22 dB Gain)
Distortion (THD+N) 0.005% / 0.004% A-weighted
Line input
Type 1/4" TRS connector,
electronically balanced
Impedance approx. 20 kΩ balanced
10 kΩ unbalanced
Gain range -10 to +40 dB
Max. input level +22 dBu @ 0 dB Gain
Fade-out attenuation1
(Crosstalk attenuation)
Main fader closed 98 dB
Channel muted 85 dB
Channel fader muted 85 dB
Frequency response
Microphone input to main out
<10 Hz - 90 kHz +0 dB / -1 dB
<10 Hz - 160 kHz +0 dB / -3 dB
Stereo inputs
Channels 5/6, 7/8
Microphone input
Type XLR microphone connector,
electronically balanced
Impedance approx. 2.6 kΩ balanced
Gain range 0 dB to +40 dB
Max. input level +2 dBu
Stereo inputs
Type 2 x 1/4" TRS connector,
unbalanced
Impedance approx. 40 kΩ @ 0 dB Gain
Gain range -20 dB to +20 dB
Max. input level +22 dBu @ 0 dB Gain
Channels 9/10, 11/12
Type 2 x 1/4" TRS connector,
unbalanced
Impedance approx. 40 kΩ @ 0 dB Gain
Gain range -20 dB to +20 dB
Max. input level +22 dBu @ 0 dB Gain
CD/tape in
Type RCA connectors
Impedance approx. 10 kΩ
Max. input level +22 dBu
EQ mono channels
Low 80 Hz / ±15 dB
Mid 2.5 kHz / ±15 dB
High 12 kHz / ±15 dB
Low cut 80 Hz, 18 dB/oct.
EQ stereo channels
Low 80 Hz / ±15 dB
Mid 2.5 kHz / ±15 dB
High 12 kHz / ±15 dB
MON/FX send
Type 1/4" TS connector, unbalanced
Impedance approx. 120 Ω
Max. output level +22 dBu
Aux returns
Type 1/4" TRS connector,
unbalanced
Impedance approx. 10 kΩ
Max. input level +22 dBu
Main outputs
Type XLR, electronically balanced
Impedance approx. 240 Ω balanced
/ 120 Ω unbalanced
Max. output level +28 dBu
Headphone output
Type 1/4" TRS connector, unbalanced
Max. output level +19 dBu / 150 Ω (+25 dBm)
CD/tape out
Type RCA connectors
Impedance approx. 1 kΩ
Max. output level +22 dBu
DSP Texas Instruments®
Converter 24-bit Sigma-Delta,
64/128-times oversampling
Sampling rate 46,875 kHz
Main mix system data2
Noise
Main mix @ -oo,
Channel fader -oo -99 dB / -101 dB A-weighted
Main mix @ 0 dB,
Channel fader -oo -84 dB / -87 dB A-weighted
Main mix @ 0 dB,
Channel fader @ 0 dB -80 dB / -82 dB A-weighted
Power supply
Power consumption 40 W
Fuse 100 - 240 V ~: T 1.6 A H
Mains connection Standard IEC receptacle
Physical
Dimensions (H x W x D) approx. 97 mm (3 7/8") x
345 mm (13 18/32") x 334 mm
(13 5/32")
Weight (net) approx. 3.80 kg (8.38 lbs.)
Measuring conditions:
1: 1 kHz rel. to 0 dBu; 20 Hz - 20 kHz; line input; main output; unity gain.
2: 20 Hz - 20kHz; measured at main output. Channels 1 - 4 unity gain; EQ flat; all
channels on main mix; channels 1/3 as far left as possible, channels 2/4 as far
right as possible. Reference = +6 dBu.
BEHRINGER is constantly striving to manintain the highest professional standards. As a
result of these efforts, modifications may be made from time to time to existing products without
prior notice. Specifications and appearance may differ from those listed or illustrated.

5. SPECIFICATIONS