Technical Specifications
ACX1000
ENGLISH
Version 1.1 September 2002
ULTRACOUSTIC
ULTRACOUSTIC ACX1000
ULTRACOUSTIC
Ultra-flexible 2 x 60 Watt, 2-channel stereo acoustic guitar amplifier with digital multi-effects processor
s Powerful 2 x 60 Watt RMS amplifier with tube emulator specifically designed for acoustic instruments and
vocals
s Dedicated tube emulator in both channels adds warmth and presence to instruments and vocals
s Two independent channels with separate volume controls, dedicated EQs and two feedback filters each
s Instrument channel produces warm and transparent sound for pickup-equipped instruments and features
additional ATTACK and FX RETURN controls plus two tunable notch filters for feedback suppression
s Microphone/line channel provides microphone inputs with phantom power for both dynamic and condenser
microphones, ENHANCER control, FX RETURN control and two tunable notch filters optimized for suppressing
microphone feedback
s Active 3-band EQ per channel
s 24-bit stereo multi-effects processor with high-resolution 24-bit AD/DA converters
s 23 algorithms, specifically developed for the ULTRACOUSTIC, producing authentic effects such as reverb,
delay, rotary speaker, chorus, flanger, stereo panning, tremolo and various effects combinations for instrument
and microphone/line channels
ACX1000
s 99 programs stored in 4 presets that can be recalled via footswitch
s Parallel TUNER output for tuner connection
s Adjustable stereo aux input on phone jacks for adding line signals (e.g. CD player, drum computer etc.)
with AUX LEVEL control and MUTE switch
s Stereo tape input/output
s Separate insert option for external effects devices (e.g. compressor, octaver etc.) for both channels as well
as master section
s Includes footswitch FS114 for effects switching
s MIDI effects selection via program change commands
s Master volume control with switchable phase correction
s High-quality components and exceptionally rugged construction for long life and durability
s Generously dimensioned power supply ensures excellent pulse response
s Manufactured under ISO9000 certified management system
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ULTRACOUSTIC ACX1000
SPECIFICATIONS
AUDIO INPUTS
Instrument channel
Connector 1/4" phone jack
Type unbalanced, RF filtered input
Input impedance app. 10 MΩ
Microphon/line channel
Microphone input
Connector XLR
Type balanced, RF filtered input
Input impedance app. 25 kΩ
Line input
Connector 1/4" TRS jack
Type balanced, RF filtered input
Input impedance app. 40 kΩ balanced/20 kΩ unbalanced
Aux/tape input
Connector 1/4" phone jack/RCA
Type unbalanced, RF filtered input
Input impedance app. 10 kΩ
AUDIO OUTPUTS
Direct out output
Connector XLR
Type balanced, low-impedance line-level output
Output impedance app. 200 Ω balanced/100 Ω unbalanced
Max. output level +24 dBu balanced
Tape output
Connector RCA
Type unbalanced, low-impedance line-level output
Output impedance app. 100 Ω
Max. output level +20 dBu unbalanced
POWER AMPLIFIER
Power amp output 2 x 60 Watts RMS
MIDI INTERFACE
Type 5-pin-DIN-socket, MIDI IN
DIGITAL PROCESSING
Converters 24-bit sigma-delta, 64/128-times oversampling
Sampling rate 46.875 kHz
DISPLAY
Type 2-digit numeric LED display
LOUDSPEAKER
Type 2 x 8" loudspeaker, special custom-made acoustic speaker; 1 x piezo tweeter
Impedance 8 Ω (8" loudspeaker)
Power handling max. 60 Watts (8" loudspeaker)
POWER SUPPLY
Mains voltages USA/Canada 120 V ~, 60 Hz
U.K./Australia 240 V ~, 50 Hz
Europe 230 V ~, 50 Hz
general export model 100 - 120 V ~, 200 - 240 V ~, 50 - 60 Hz
Power consumption 42 Watts min./300 Watts max.
Fuse 100 - 120 V ~ : T 5 A H
200 - 240 V ~ : T 2.5 A H
Mains connection standard IEC receptacle
PHYSICAL
Dimensions (H * W * D) approx. 17.0" (431.8 mm) x 23.65" (600.65 mm) x 10.6" (270 mm) / 12.3" (312.6 mm)
Weight approx. 22 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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ULTRACOUSTIC ACX1000
The information contained in this manual is subject to change without notice. No part of this manual 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 ULTRACOUSTIC are registered trademarks. ALL RIGHTS RESERVED.
© 2002 BEHRINGER Spezielle Studiotechnik GmbH.
Tel. +49 (0) 21 54 / 92 06-0, Fax +49 (0) 21 54 / 92 06-30
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