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Post subject: anybody bias there super sonic 22 yet?
Posted: Tue Mar 01, 2011 7:12 pm
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Roadie
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Location: Warren Mi
was it cold? sound any better?


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Post subject: Re: anybody bias there super sonic 22 yet?
Posted: Sun Mar 06, 2011 7:16 am
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Professional Musician
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Could you tell us what is your question ? 8)

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Post subject: Re: anybody bias there super sonic 22 yet?
Posted: Sun Mar 06, 2011 7:33 am
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Roadie
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Joined: Sun Aug 02, 2009 6:55 pm
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Location: Warren Mi
have you checked the bias, was it cold? Oh well that piece of crap broke down after 2 days anyways now its gone!, there problem amps.


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Post subject: Re: anybody bias there super sonic 22 yet?
Posted: Wed Mar 09, 2011 9:39 am
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Roadie
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Location: DOWN south
well I just biased my Super-Sonic 22 (stock power tubes- Groove Tubes 6V6 "6's : white")
the amp is only 1 month old - well 2 months from the stamp from the factory
SO, the bias was set to 32mV !
I lowered it to 24mV - sounds good, breaks up a lil different on the clean channel now, i like it.
TP40(D35) was at 32 and TP41(D36) at 31 !
My plate voltage, TP43(D38) is 413 VDC.

know u got rid of the amp but I thought i would post this as any info.

OH, AND this amp has chassis mounted tube sockets, preamp too !
When I had the amp open, I DID notice a buzz coming from the area where the AC cord attaches, well on that side of the amp anyway -- where the 2 BIG 500V CAPS are. Maybe taht contributes to the naturistic HISS of this amp.
I Did replace stock preamp tubes with a blend of Mullard 's & JJ's and that seemed to help some.

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