PRO
-
Technical Specifications
ENGLISH
Version 1.0 January 2004
SL2442FX
EURODESK
EURODESK SL2442FX-PRO
EURODESK
Ultra Low-Noise Design 24-Input 4-Bus Studio/Live Mixer with Premium Mic
Preamplifiers and Dual Digital 24-Bit Multi-FX Processor
s Ultra low-noise ULN design, highest possible headroom, ultra-transparent audio
SL2442FX-PRO
s 16 new state-of-the-art, studio-grade IMP Invisible Mic Preamps with:
o 130 dB dynamic range for 24-bit, 192 kHz sampling rate inputs
o Ultra-wide 60 dB gain range
o Lowest possible distortion 0.0007% (20 Hz - 20 kHz)
s 2 independent 24-bit digital stereo FX processors with 99 great-sounding VIRTUALIZER presets including
reverb, delay, chorus, compressor, tube distortion and more
s High precision 9-band stereo graphic EQ allows precise frequency correction of monitor or main mixes
s Revolutionary, patent-pending FBQ Feedback Detection System instantly reveals critical frequencies
s 2 fully featured stereo input channels with 4-band EQ plus 2 additional stereo input channels with level and
pre-fader aux facilities
s Effective, extremely musical 3-band EQ plus switchable low cut filter on all mono channels
s Inserts on each mono channel and main mix for flexible connection of outboard equipment
s 4 subgroups and additional mono output with sweepable low pass filter for subwoofer application
s 4 aux sends per channel: 2 switchable pre/post fader, 2 post fader (for internal FX and/or as external send)
s Gain level set and clip indication LEDs plus mute switches for each channel allow fast and accurate level
setting
s Balanced main mix outputs with gold-plated XLR and ¼" TRS connectors, headphone/control room output
and stereo tape outputs
s Solo-In-Place and Pre-Fader-Listen functions plus full-featured talkback section
s Standby switch mutes all channels during breaks while background music is provided via CD/tape inputs
s State-of-the-art 4580 operational amplifiers provide lowest noise and distortionbetter than 4560 op amps
s Long-wearing logarithmic-taper ALPS
s Internal switch-mode power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient
response plus lowest possible power consumption
®
faders and sealed rotary controls
s Extremely rugged construction ensures long life even under most demanding conditions
s Designed in Germany. Manufactured under ISO9000 certified management system
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EURODESK SL2442FX-PRO
SPECIFICATIONS
Mono inputs
Microphone inputs (IMP Invisible Mic Preamp)
Type XLR, electronically balanced,
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 / 134 dB A-weighted
@ 150 Ω source resistance -129 dB / 130.5 dB A-weighted
Frequency response <10 Hz - 160 kHz (-1 dB),
Gain +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
Distortion (THD+N) 0.004% / 0.003% A-weighted
Line inputs
Type 1/4" TRS connector,
Impedance approx. 20 kΩ balanced
Gain -10 to +40 dB
Max. input level +22 dBu @ 0 dB gain
Crosstalk
1
Main fader closed 90 dB
Channel muted 84 dB
Channel fader closed 85 dB
Frequency response
Microphone input to main out
<10 Hz - 70 kHz +0 dB / -1 dB
<10 Hz - 160 kHz +0 dB / -3 dB
Stereo inputs
Type 2 x 1/4" TRS connector,
Impedance approx. 20 kΩ balanced /
Gain -20 dB to +20 dB
Max. input level +22 dBu @ 0 dB gain
CD/tape in
Type RCA
Impedance approx. 10 kΩ
Max. input level +22 dBu
EQ mono channels
L o w 80 Hz / ±15 dB
Mid 100 Hz - 8 kHz / ±15 dB
High 12 kHz / ±15 dB
Low cut 80 Hz, 18 dB/oct.
EQ stereo channels
L o w 80 Hz / ±15 dB
Low mid 400 Hz / ±15 dB
High mid 3 kHz / ±15 dB
High 12 kHz / ±15 dB
Channel inserts
Type 1/4" TRS connector, unbalanced
Max. input level +22 dBu
AUX/FX send
Type 1/4" TS connector, unbalanced
Impedance approx. 120 Ω
Max. output level +22 dBu
FX returns
Type 1/4" TS connector, unbalanced
Impedance approx. 10 kΩ
Max. input level +22 dBu
discrete input circuit
<10 Hz - 200 kHz (-3 dB)
(0 dBu In @ +22 dB gain)
electronically balanced
10 kΩ unbalanced
balanced
10 kΩ unbalanced
Subgroup outputs
Type 1/4" TS connector, unbalanced
Impedance approx. 120 Ω
Max. output level +22 dBu
Main outputs (XLR)
Type XLR, electronically balanced
Impedance approx. 240 Ω balanced /
120 Ω unbalanced
Max. output level +28 dBu
Main outputs (1/4")
Type 1/4" TRS connector,
electronically balanced
Impedance approx. 240 Ω balanced /
Ω unbalanced
120
Max. output level +28 dBu
Main inserts
Type 1/4" TRS connector, unbalanced
Max. input level +22 dBu
Mono output
Type 1/4" TS connector, unbalanced
Impedance approx. 120
Ω
Max. output level +22 dBu
Low pass variable 30 Hz - 200 Hz,
18 dB/oct.
Phones/CTRL room output
Type 1/4" TRS connector, unbalanced
Max. output level +19 dBu / 150 Ω (+25 dBm)
CD/tape out
Type RCA
Impedance approx. 1 kΩ
Max. output level +22 dBu
DSP Texas Instruments
®
Converter 24-bit Sigma-Delta,
64/128-times oversampling
Sampling rate 46 kHz
Main Mix system data
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Noise
Main mix @ -oo,
Channel fader -oo -100 dB / -102,5 dB A-weighted
Main mix @ 0 dB,
Channel fader -oo -82 dB / -85 dB A-weighted
Main mix @ 0 dB,
Channel fader @ 0 dB -72 dB / -75 dB A-weighted
Power supply
Power consumption 50 W
Fuse 100 - 240 V~: T 2 A H
Mains connection Standard IEC receptacle
Dimensions/weight
Dimensions (H x W x D) approx. 100 mm (3 9/10")
x 682 mm (26 9/8")
x 410 mm (16 1/8")
Weight (net) approx. 8.5 kg
Measuring conditions:
ad 1: 1 kHz rel. to 0 dBu; 20 Hz - 20 kHz; line input; main output; gain @ unity.
ad 2: 20 Hz - 20 kHz; measured at main output.
Channels 1 - 4 gain @ unity; EQ flat; all channels to main mix; channels 1/3 hard left,
channels 2/4 hard right. Reference = +6 dBu.
BEHRINGER is constantly striving to maintain 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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EURODESK SL2442FX-PRO
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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