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1st February 2010, 12:45 PM
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diyAudio Member
Join Date: Jun 2008
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Dual Op Amp adaptor not working - help ?
Just received a dual op amp adaptor on a brown dog that doesn't work.
I have two OPA 627 AU's and Audio GD Earth and Sun v2 - in single L & R units and neither of them produce sound. With Audio GD units there are loud pops and with the single 627's nothing at all. I have been successfully useing a pair of minature 627's on a brown dog that work very well but I particularly wanted to try the Audo GD modules. It's for a pre amp by the way - OPA amp / diamond buffer type. I checked I got the pins ( pin 1 etc ) the right way round first before fitting. Baffled as usual Any ideas welcome Thanks Andrew 
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