Question about Acoustic Research AR3 Speaker

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AR3 sunfire problems

I've been trying to get a set of AR3 Hi rez Sunfire amp powered subwoofer speakers fixed. One of them blows the fuse on my amp and both of them no longer have the STANDBY power feature, leaving the amplifers on all the time. I can't find anyone with a schematic for the AR Sunfire amplifier or a parts source. I've tried to contact Acoustic Research, Recoton, Thomson as well as several amplifier and speaker repair facilities in Florida with no luck. Any suggestions or help would be appreciated.

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  • Anonymous Dec 29, 2007

    I'm having the same problems but with the AR5's.
    If there has been any progress in this matter I'd really appreciate any help finding a schematic for parts order or in house fix.
    Thanks much

    mrwasabihead@gmail.com

  • Michael Edwards
    Michael Edwards Jul 30, 2017

    There is a repair shop Edwards Electronics they are master's at repair. They are on web and eBay.

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There is a repair shop Edwards Electronics they are master's at repair. They are on web and eBay.

Posted on Jul 30, 2017

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I had the same exact issue with my AR1s. Found ABTechServices.com that was able to repair it for about $187.50 with return shipping included. Apparently there were a couple leaky caps and some bad resistors. My guess is that when Recoton built these amps, based on Bob Carver's Sunfire technology, they used defective capacitors. These, in turn are probably blowing the resistors and possibly some of the other components.

Posted on Nov 11, 2008

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It's not a solution but I have the same problem. I found two transistors shorted in the subwoofer amp, a 2SC3281 and an IRF640. I replaced them but there is still a large dc offset in the output, about 10.5 volts. Without a schematic I'm kind of just fishing.

Posted on Oct 08, 2008

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Just wondering if you were able to get any more info on this problem. My house got hit by one of Orlando's famous lighting storms a few weeks ago and along with about $1,000 worth of other equipment, both of my AR5's took a hit. They blow the 5 amp fuse immediately when powered on. So now I'm looking for some help with these as well. Mark

Posted on Aug 15, 2006

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Try http://www.simplyspeakers.com. Good Luck

Posted on May 09, 2006

  • Larry  Dillon
    Larry Dillon May 17, 2006

    LMAO If you dont like this place then try this and if you dont get something here sorry . But I order sr parts all the time from here http://www.arspeakers.com orhttp://speakersupply.com/ARinfo.htm

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SOURCE: Acoustic Research AR1 HiRes subwoofer amplifier

hello sir

Posted on Aug 25, 2008

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