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Post subject: 68 Custom Deluxe Reverb Reissue bias pot accessibility.
Posted: Mon Jul 28, 2014 9:49 pm
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Joined: Thu Jun 12, 2014 9:28 pm
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From the outside of my amp I can see the bronze colored bias adjustment pot on my amp behind the power tubes so I am assuming I can adjust the bias from there without having to remove the amp from the chassis and dial the pot from inside the amp? What type of screw driver fits in this end of the bias adjustment pot? Or do I have to remove the amp from the chassis and adjust the bias pot from that side of amp? I would much rather adjust from outside the amp if I can. Will have to be very careful of the hot power and rectifier tubes!
Thanks!!!


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Post subject: Re: 68 Custom Deluxe Reverb Reissue bias pot accessibility.
Posted: Mon Jul 28, 2014 10:30 pm
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Joined: Wed Mar 31, 2010 12:48 am
Posts: 26417
Location: Tombstone Territory
The bias-adjustment pot requires a 3/16" flat-tip screwdriver but you are well-advised to perform this servicing with the chassis removed from the enclosure lest your next post read "hey guys, I dropped my freakin' screwdriver and it punched a goddamm hole right through my speaker's cone".

It only takes about five minutes to remove a combo chassis from its cab.

Gnome saing, mon?

:wink:

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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