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Old 30th October 2003, 09:03 PM   #1
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Question low voltage tubes (space charge, etc.) for guitar amp?

A friend of mine who plays guitar wants to take advantage of my electronics knowledge and have me build him an amp and speaker combo. I told him I'd think about it... I can come up with the right speakers to use, probably. For the amp, I was thinking of an inverted gainclone with a tube input stage. However, I don't want to mess with separate expensive power supplies (this is to be done on a budget...) so I thought to use the nice low voltage tubes. I was thinking 12DL8s since they already have quite a bit of distortion... perhaps 12AE6... what are some thoughts on this?

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Old 30th October 2003, 09:09 PM   #2
Colt45 is offline Colt45  Serbia
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a pair of 6L6s and a few 12AX7's, forget SS or low volt stuff :P
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Old 30th October 2003, 09:46 PM   #3
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true, true...
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Old 31st October 2003, 12:33 AM   #4
Colt45 is offline Colt45  Serbia
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or you could go for countless cheapie pentodes, that most people wont use for hi-fi but would be ok for guitar

if price is an issue. tons of cheap stuff that will work fine.
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Old 31st October 2003, 12:45 AM   #5
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Quote:
Originally posted by Colt45
a pair of 6L6s and a few 12AX7's, forget SS or low volt stuff :P
Yep.

With geetar amps, you're looking for a specific set of tones, and it's not that easy to do. Either do it all tube, and copy a known design, or use the IGC and some sort of FET preamp stage, perhaps barstardising Pass designs to get the result you're looking for.

If this is for a pignose type personal practice amp, just use opamps.
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