Acoustic Image Series II User Manual
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ONTRAONTRA
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ONTRA
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ONTRAONTRA
Model 410 BA
SERIES IIa
Contra
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ONTRA RONTRA R
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ONTRA R
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ONTRA RONTRA R
Model 411 BA
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ODAODA
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ODA
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ODAODA
Model 410 AA
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ODA RODA R
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ODA R
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ODA RODA R
Model 411 AA
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ONTRA EXONTRA EX
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ONTRA EX
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ONTRA EXONTRA EX
Model 410 BE
Model 420 CA
SERIES IIa
SERIES IIa
SERIES IIa
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SERIES II
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Contra R
Owner’s
Manual
Coda
T M
Coda R
New Yorker
Combo
Amplifiers
© 2004 Acoustic Image LLC
Contra EX
Contents
Welcome 1
The Basics 1
Operation 2
Power 2
Preamp 2
Inputs 2
Controls 3
Control Panel Drawings 4
Signal Flow Diagram 5
Notch/High Pass Filter 6
Effects Loop 6
Direct Out 6
Reverb 6
External Speaker Jack 7
Speaker Placement 7
Sound Lifter 7
Tweeter Switch 8
Care 8
Warranty Information 8
Specifications 9
The information in this manual is subject to change
without notice. No part of this manual may be
reproduced by mechanical, electronic or other means
in any form without prior written permission from
Acoustic Image.
Welcome to Acoustic Image!
You have purchased a state-of-the-art musical instrument amplifier system,
combining purity, power and portability in a package that sets a new standard
in high fidelity amplification.
Each of our designs is engineered to accurately reproduce the sound of
acoustic and electric instruments, delivering flat frequency response across
the entire musical spectrum; extended, tight, well-controlled bass; and
complete clarity of sound reproduction.
This manual provides operating information for your Acoustic Image Contra,
Coda, New Yorker combo amp or Contra EX extension speaker cabinet.
The Basics
All Contra, Coda and New Yorker combos are based on the same superb classD 300-watt power amplifier, on a compact three-way speaker system (also
used in the Contra EX) and on a sophisticated, sensitive preamplifier. The
features of the preamp define the specific combo model.
The power amp is a high efficiency design that requires no external heat sinks
or cooling fans and is capable of driving loads as low as 2 ohms. AC power
and output speaker jacks are located on the rear of the enclosure. A standard,
three-prong detachable AC power cord is used to provide power to the unit,
while AC voltage selection switch allows the unit to operate at 115V/60 Hz
or 230V/50 Hz.
Depending on the model chosen, your preamp offers an instrument channel
alone or instrument and microphone channels, with or without an 8-program
digital reverb. All of our preamps incorporate a four-band EQ per channel,
high and low impedance instrument inputs (to optimize the sound of piezo-type
pickups), an effects loop with return level control, and a selectable notch/high
pass filter for feedback control and reduction of low freqency boominess-along with a direct out capability with ground lift and a master level control. The
New Yorker does not have the return level control, notch/high pass filter or
the direct out ground lift.
All of our speaker enclosures incorporate a 10-inch downfiring woofer, a 5inch frontfiring midrange, and a 1-inch defeatable tweeter. A built-in ifter
mechanism allows the cabinet to be tilted to better direct sound to the your
listening position. Both padded and hard shell cases are available as acces-
sories.
While our combos and speakers are designed to play loudly--and clearly-enough so that you can be heard in most gigging situations, they are not suited
to playing at extreme volumes. Generating high SPLs may require an extension
cabinet such as the Contra EX or augmentation by a larger house system.
The Acoustic Image logo is a registered trademark
of Acoustic Image LLC. Contra, Contra R, Coda,
Coda R, Contra EX and New Yorker are trademarks
of Acoustic Image LLC
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