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Looking for AB Model 2220 service manual


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A little better than a year ago I had some specific questions about changing some of the component values in one of their crossover cards. I emailed their service department. The company is more-or-less gone, but there is still a guy keeping up the service end of things, and he was really helpful about finding me some really old and rather obscure schematics.

 

I was pretty impressed.

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I'm about as familiar with the old AB product line as anybody due to my involvement with the company over a period of 10 years, ending about 15 years ago. I don't recall that model number, nor do I see it in any of my factory paperwork either. It's possible that it was a special run of 200's for a private label type customer that used them originally in pre-packaged theatre installations (all the big manufacturers did some form of this back then, including Crest, QSC, JBL, Carver, etc.)

 

I have a 200 currently for sale on eBay by the way. Don't have much in the way of service docs. as I mostly serviced them from memory.

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