want to restore a pair of AR4-X - diyAudio
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Old 8th January 2009, 03:46 AM   #1
WRWSTD is offline WRWSTD  United States
diyAudio Member
Join Date: Sep 2007
Default want to restore a pair of AR4-X

I have inherited a pair of AR4-X speakers. These were made sometime in the late sixties so I was told.
The cloth surround on the woofer is intact however the sealant is dried out.
The tweeter pots are non functional and one of the tweeters is a little raspy sounding.

I would like to restore them to as close to their original operation (and sound) as possible. They will be used with a fully restored Marantz 2270 receiver.
I would welcome any suggestions on how to go about this restoration.
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Old 8th January 2009, 03:35 PM   #2
diyAudio Member
Join Date: Sep 2006
Location: New England
The best help you can find is to register on the discussion area at

Download the AR3a restoration document. It has details on how to restore those pesky pots - same as you have in yours.

Do searches in the AR area on AR4x and you will find a wealth of information. Also the library area has a little bit on the AR4x including a schematic of the crossover.

That web site is the best compendium of information on AR speakers on the WWW.

Good luck with your restoration.
"It's all about the music!"
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