First Express Done

Express, Liverpool, Rocket, Dirty Little Monster, etc.

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lpd
Posts: 204
Joined: Fri Nov 14, 2008 1:45 am

Re: First Express Done

Post by lpd »

I can't believe how much a volume pot affects the tone and overall feel of an amp. I'm not very technical but know what my ears like and the difference between the AB pot and Clarostat is night and day. The AB pot has a mid warmth and elastic like feeling when playing. The Clarostat pot had great crunch but was thin in comparison and lost a fair amount of harmonics and mid warmth.
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David Root
Posts: 3540
Joined: Fri Aug 04, 2006 3:00 pm
Location: Chilliwack BC

Re: First Express Done

Post by David Root »

Here she is all buttoned up n' wailin'!
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When I was a boy I was told that anyone could become President. I`m beginning to believe it--Clarence Darrow
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Bob S
Posts: 1575
Joined: Sat Feb 14, 2009 2:38 pm
Location: Up there with the Michiganders

Re: First Express Done

Post by Bob S »

Nice one David.
Getting an Express right can be a humbling experience, even for the adept.
Well done!
Why Aye Man
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David Root
Posts: 3540
Joined: Fri Aug 04, 2006 3:00 pm
Location: Chilliwack BC

Re: First Express Done

Post by David Root »

Thanx Bob, I liked it so much I'm going to build another with 7591s instead of EL34s and VVR power scaling, as the 7591's characteristics just beg for power scaling, which should be a boon on the Express.

Have a pair of '61 Westinghouse large base 7591s on the way right now.
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When I was a boy I was told that anyone could become President. I`m beginning to believe it--Clarence Darrow
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