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Old 13th December 2004, 03:29 PM   #1
G is offline G  United States
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Default Using KT88 to build a monster champ amp?

Hi All,

Long time no post. I'm gearing up to build myself a guitar amp and 2x12 extension cabinet for my personal use and I would like some opinions. I had originally planned on building the Fender 5F2 circuit (Champ) for my amplifier needs but then I thought I would change the ouput tube to a EL34 for a little more power. Then I thought I would use a KT88 for a lot more power. The output transformer from Allen Amplification will handle 90mA so I would have to run the KT88 somewhat cold but I should be able to get a solid 7 watts out of it or so. The real thing is what would this amp sound like with a 5F2 tone stack and a KT88 as the output tube. The speakers are going to be two 12" alnico speakers from a old Magnavox console. They are meant for low power tube amps so they should work great. Opinions? Anyone ever tried this? Thanks.
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Old 13th December 2004, 05:18 PM   #2
alejo is offline alejo  Argentina
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Firts Fender 5F1 is "Champ", the model 5F2 is "Princeton".

This amps to find this sound use 6V6 valve in very HOT point.

If you search this sound and +power use two 6V6 y paralel. (or four).

Alejo
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Old 13th December 2004, 05:20 PM   #3
alejo is offline alejo  Argentina
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see this link

http://www.ampwares.com/ffg/schematics.html
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