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Technical Specifications
Version 1.3 January 2004
VERSION 1.4 January 2004
ENGLISH
UB502
EURORACK
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EURORACK UB502
EURORACK
ULTRA-LOW NOISE DESIGN 5-INPUT 2-BUS MIXER
UB502
Ultra-Low Noise ULN design, highest possible headroom, ultra-transparent audio =
One new state-of-the-art, studio-grade IMP “Invisible” Mic Preamp with: =
130 dB dynamic range for 24-bit, 192 kHz sampling rate inputs Ultra-wide 60 dB gain range Lowest possible distortion 0.0007% (20 Hz – 20 kHz) -
Effective, extremely musical 2-band EQ and peak LED on mono channel =
5 balanced high-headroom Line inputs =
State-of-the-art 4580 operational amplifi ers provide lowest noise and distortion - better than 4560 op amps =
Main mix outputs plus separate Headphone and stereo Tape output =
Tape inputs assignable to Main mix or Headphone outputs =
High-quality sealed rotary controls for long-term reliability =
External power supply for noise-free audio and superior transient response =
High-quality components and exceptionally rugged construction ensure long life =
Conceived and designed by BEHRINGER Germany =
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BLOCK DIAGRAM
EURORACK UB502
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EURORACK UB502
SPECIFICATIONS
Mono input
Microphone input (IMP Invisible Mic Preamp)
Type XLR, electronically balanced,
discrete input circuit
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 / 133.3 dB A-weighted
@ 150 Ω source resistance -129 dB / 130.5 dB A-weighted
Main mix system data
2
Noise
Main mix @ -oo,
Channel fader -oo -106 dB / -109 dB A-weighted
Main mix @ 0 dB,
Channel fader -oo -95 dB / -98 dB A-weighted
Main Mix @ 0 dB,
Channel fader @ 0 dB -84 dB / -87 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-weighted
(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 attenuation
1
(Crosstalk attenuation)
Main fader closed 90 dB
Channel muted 89.5 dB
Channel fader closed 89 dB
Frequency response
Microphone input to main out
<10 Hz - 90 kHz +0 dB / -1 dB
<10 Hz - 160 kHz +0 dB / -3 dB
Power supply
Power consumption 13 W
Mains voltage
USA/Canada 115 V ~, 60 Hz, MXUL5 adapter
U.K./Australia 240 V ~, 50 Hz, MXUK5 adapter
Europe 230 V ~, 50 Hz, MXEU5 adapter
Japan 100 V ~, 60 Hz, MXJP5 adapter
Dimensions
Dimensions (H x W x D) 1 5/6" / 1 1/2" (47 mm / 37 mm) x
5 1/4" (134 mm) x 7" (177 mm)
Weight (net) approx. 0.55 kg (1.21 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.
Stereo inputs
Type 1/4" TRS connector,
electronically balanced
Impedance approx. 20 kΩ
Max. input level +22 dBu
EQ mono channels
L o w 80 Hz / ±15 dB
High 12 kHz / ±15 dB
Main outputs
Type 1/4" TRS connector, unbalanced
Impedance approx. 120 Ω unbal.
Max. output level +22 dBu
Headphones output
Type 1/4" TRS connector, unbalanced
Max. output level +19 dBu / 150 Ω (+25 dBm)
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.
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EURORACK UB502
Technical specifications and appearance subject to change without notice. The information contained herein is correct at the time
of printing. The names of companies, institutions or publications pictured or mentioned and their respective logos are registered
trademarks of their respective owners. Their use neither constitutes a claim of the trademarks by BEHRINGER® nor affiliation of
the trademark owners with BEHRINGER®. BEHRINGER® accepts no liability for any loss which may be suffered by any person
who relies either wholly or in part upon any description, photograph or statement contained herein. Colors and specifications
depicted may vary slightly from product. No part of this book may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying and recording of any kind, for any purpose, without the express written
permission of BEHRINGER Spezielle Studiotechnik GmbH. BEHRINGER® is a registered trademark.
ALL RIGHTS RESERVED. © 2004 BEHRINGER Spezielle Studiotechnik GmbH.
BEHRINGER Spezielle Studiotechnik GmbH, Hanns-Martin-Schleyer-Str. 36-38,
47877 Willich-Münchheide II, Germany
Tel. +49 2154 9206 0, Fax +49 2154 9206 4903
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