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MA205
Stereo Power Amplifier
INSTALLATION
AND
OPERATION
MANUAL
Version 1.1
Congratulations and thank you for choosing the Knöll
MA205 power amplifier. The MA205 is designed to meet
the amplifier needs where high quality sound is a specific
requirement.
Key Features:
Manual and Automatic Power On and Off.
1.
The MA205 stereo power amplifier is designed to be
turned on when a video signal is detected, music inputs are
sensed, a 12 volt trigger is activated or the front panel
power switch is pushed on. Power off is automatic in all
modes except the front panel power button.
Whole house music override
2.
businesses and motorhome applications (typically with
plasma or large screen TV's) the MA205 features
amplifier inputs so that whole house music system can be
heard on the local speakers (without the MA205 turned
on). When the local source (TV, dish, etc.) needs amp
power, the whole house music is automatically switched off,
the MA205 amplifier turns on and plays the local source.
Automatic protection circuitry
3.
channel is individually and fully protected against low
impedance, overheating, overloading, overvoltage and
undervoltage. The protection circuitry automatically
restores the amplifier channel as soon as its parameter
returns to the safe operating area.
Individual input gain adjustment
4.
features an input gain adjustment pot to adjust each
channel for gain and speaker sensitivity variations. The
gain adjustments are on the rear of the MA205 so
installers normally set the gain.
Stackable 17" chassis
5.
by side and stacked for applications requiring more than
two amplifier channels.
. In homes, yachts,
. Each MA205
. Each channel
. Two MA205's can fit side
2
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Related Manuals for Knoll MA205
Summary of Contents for Knoll MA205
-
Page 1: Key Features
When the local source (TV, dish, etc.) needs amp power, the whole house music is automatically switched off, the MA205 amplifier turns on and plays the local source. Automatic protection circuitry channel is individually and fully protected against low impedance, overheating, overloading, overvoltage and undervoltage. - Page 2 MA205 speaker terminals labeled "AMP INPUTS" using good quality speaker wire. 9. If you are planning to use a video signal to trigger the MA205 power on and off, connect a good quality video wire with an RCA jack to the MA205 input labeled "Video Input".
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Page 3: Troubleshooting
Troubleshooting If a problem is encountered with the MA205, the most expedient procedure is to locate the problem and if possible repair it before requesting service. Be sure to carefully check other system components such as controllers, CD players, volume controls, wiring, speakers, etc. - Page 4 The signal here passes directly to the speakers when the MA205 amp isn't triggered or Connect these unbuffered stereo line outs to other amplifier inputs as needed AMP INPUTS...
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