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The Box MA1220A Active Monitor Schematics needed
The Box MA1220A Active Monitor Schematics needed
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Old 4th February 2009, 04:44 PM   #1
alexclaire is offline alexclaire  France
diyAudio Member
 
Join Date: May 2005
Location: Avesnes/Helpe
Default The Box MA1220A Active Monitor Schematics needed

Hi everyone !

First of all thanks for the amount of useful informations available.

I'm looking for schematics for a THe Box MA1220 Active monitor.

The amplifier is dead and i'd like to repair it.

This monitor is a 12inches loudspeaker and a 1 inch horn driver With a 160WRMS plate amplifier.

Thanks for any help.

I got lots of useful schematics so if you need something just ask !
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Old 6th February 2009, 08:32 PM   #2
alexclaire is offline alexclaire  France
diyAudio Member
 
Join Date: May 2005
Location: Avesnes/Helpe
Default Solved

I've just found the service manual:

It was for an AM160 Proel plate amplifier.

If someone needs this service manual AM160, AM320 and AM320S.

And my problem is fixed (2 protection zeners burned in symetric input board).

Regards.
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