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Technical Specifications
Version 1.0 February 2003
DEUTSCH
ENGLISH
PRO-XL HA4700
POWERPLAY
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POWERPLAY PRO-XL HA4700
POWERPLAY PRO-XL
4-Channel High-Power Headphones Distribution Amplifier
HA4700
s Professional multi-purpose headphones amplifier system for stage and studio applications
s Four independent high-power amplifier sections provide up to four stereo mixes with individual balancing
s Each input/aux section can be separately set to capture individual demands for more me mixing
s Stereo aux input for each channel allows you to mix in any instrument or sound source
s Multi-functional ST./2-CH switch on each channel allows for either stereo playback or double mono operation
s Ultra-musical high and low EQ per channel for perfect sound adaptation
s Highest sonic quality with virtually all types of headphones (>8 Ohms) even at maximum volume
s Output level control with accurate 8-digit LED output meter per channel
s Left & right mute switches for each channel allow two different mixes in mono mode
s One front and two rear 1/4" TRS output connectors on each channel
s Direct front panel input connector for easy connection of any sound source
s Paralleled main outputs allow cascading of several headphones amplifiers
s Servo-balanced, gold-plated XLR and 1/4" TRS inputs and outputs
s Ultra low-noise 4580 operational amplifiers for outstanding audio performance
s High-quality detented ALPS® potentiometers and illuminated switches
s High-quality components and exceptionally rugged construction for long life and durability
s Toroidal transformer for noise-free operation and low magnetic interference
s Manufactured under ISO9000 certified management system
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POWERPLAY PRO-XL HA4700
SPECIFICATIONS
AUDIO INPUTS
MAIN IN HF-filtered, servo-balanced
Input impedance 40 kΩ balanced, 30 kΩ
Max. input level +16 dBu balanced and
CMRR typically 40 dB, >55 dB @ 1 kHz
AUX IN 1/4" TRS connector (stereo)
Input impedance 5 kΩ
Max. input level +22 dBu
DIRECT IN 1/ 4" TR S connector (stereo)
Input impedance 15 kΩ
Max. input level +22 dBu
AUDIO OUTPUTS
MAIN OUT XLR- and 1/4" TRS connectors,
PHONES OUTPUT 1/4" TRS connector (stereo)
POWER AMPLIFIER
Max. output power +24 dBm (load impedance 100 Ω),
Min. output load impedance 8 Ω
XLR- and 1/4" TRS connectors
unbalanced
unbalanced
balanced
+21 dBm (load impedance 8 Ω)
SYSTEM SPECIFICATIONS
Frequency response 10 Hz to 150 kHz, +/-3 dB
Noise 22 Hz to 22 kHz >90 dB @ 0 dBu
Dynamic range 22 Hz to 22 kHz: 110 dB
Distortion (THD) 0.006 % typ. @ +4 dBu, 1 kHz,
FUNCTION CONTROLS
Input Level variable
Balance per channel mix between Aux and Main
Output Level per channel variable
Treble cutoff frequency: 6 kHz;
Bass cutoff frequency: 200 Hz,
FUNCTION SWITCHES
Stereo/2-Channel switches between stereo
Left mute mutes the left signal of the
Right mute mutes the right signal of the
DISPLAYS
Input level 4-digit LED-display:
Output level 8-digit LED-display:
Gain 1
signals / balance between right
and left channel
range +/- 12 dB
range +/- 12 dB
mode and 2-channel mode
respective channel
respective channel
-30/-12/0 dB/CLIP
-30/-24/-18/-12/-6/-3/0 dB/CLIP
POWER SUPPLY
Mains voltage
USA/Canada 120 V~, 60 Hz
Europe/U.K./Australia 230 V~, 50 Hz
Japan 100 V~, 50 - 60 Hz
General export model 120/230 V~, 50 - 60 Hz
Power consumption 34 W
Fuses 100 - 120 V ~: T 630 mA H
200 - 240 V ~: T 315 mA H
Mains connection standard IEC receptacle
DIMENSIONS AND WEIGHT
Dimensions (H x W x D) approx. 1 ¾" (44.5 mm) * 19"
(482.6 mm) * 8 ½" (217 mm)
Weight approx. 5.08 lbs. (2.3 kg)
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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POWERPLAY PRO-XL HA4700
The information contained in this publication is subject to change without notice. No part of this publication may be reproduced or
transmitted in any form or by any means, electronic or mechanical, including photocopying and recording of any kind, for any
BEHRINGER Spezielle Studiotechnik GmbH, Hanns-Martin-Schleyer-Str. 36-38, 47877 Willich-Münchheide II, Germany
purpose, without the express written permission of BEHRINGER Spezielle Studiotechnik GmbH.
BEHRINGER and POWERPLAY are registered trademarks. ALL RIGHTS RESERVED.
© 2003 BEHRINGER Spezielle Studiotechnik GmbH.
Tel. +49 (0) 21 54 / 92 06-0, Fax +49 (0) 21 54 / 92 06-30
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