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Post subject: Why is my Quad Reverb so soft?
Posted: Thu Sep 04, 2014 5:21 pm
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My drummer is lending me his Quad Reverb that's from the seventies, I'm not sure what year. He paid $400 for new tubes, preamp and to get the bias corrected. However when using it during practice last night I was cranking both the volume and master volume and I could barely get it over the rest of the band who had what I consider to be normal rock band levels for their instrument volumes. Would anybody know what the issue is? Do I need new speakers (speakers are original)? Anything else need to be done? I heard these suckers can really crank it....


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Post subject: Re: Why is my Quad Reverb so soft?
Posted: Thu Sep 04, 2014 6:18 pm
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Were the main PSU caps replaced? Sounds like the power reserve is kinda weak.


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Post subject: Re: Why is my Quad Reverb so soft?
Posted: Mon Sep 08, 2014 1:59 am
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Location: Province de Québec, Canada
Which tubes ? All or only Output Power tubes?

See a qualified tech he can read output power and see what is wrong if something is wrong .


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Post subject: Re: Why is my Quad Reverb so soft?
Posted: Sat Oct 11, 2014 1:04 pm
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If you wanna check speakers, unplug your speakers from the back and use a 1/4" phone jack female to male and try another bottom. Those amps are usually VERY loud. The idea about finding an amp tech who can diagnose is it.


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Post subject: Re: Why is my Quad Reverb so soft?
Posted: Mon Oct 13, 2014 1:05 am
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More than one months later ....no feedback :(


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Post subject: Re: Why is my Quad Reverb so soft?
Posted: Wed Nov 12, 2014 7:09 pm
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Thanks for the info people. I haven't taken it to anybody yet because I don't have the cash. When the drummer took it to Guitar Center he said it was a $400 repair, so I'm probably gonna have to wait until tax return to take care of this baby.


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