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Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum |
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#1 |
diyAudio Member
Join Date: Jun 2007
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Hello guys, first off i would like to salute you all
![]() i am so happy that i found this forum. For a while i wanted to build my own tube amp for my guitar... but i haven't got any time ![]() Well i been looking araund ![]() I been looking in ebay and i found plenty of vintage tube amps there for a cheap price which are alredy assembled, and i also ALWAYS see huge lots of tubes for sale. I am not really sure what to do ![]() 1) get tube amp from ebay and mod it. (If so what should i look for?) 2) build a replica (i looked at some schematics and some look pretty simple but transformers are hard to find for some models.) 3) someone share a schematic of a quick & easy make amp with a good sound. (i been searching the forum but theres no decent post on a decent step by step build.) For the time beign this is what kind of specs i am looking for: * 30 to 100 Watts * 4, 6 or 12 ohms speaker output * 3 band EQ * good clean chanel The amp dosent really need an over drive distortion because i have a pretty good effects pedal. Any ideas on howmuch something like this would cost? I have a background with electronics, i understand schematics and know how semiconductors work, i have build high voltage circuits for small tesla coils and such. I been reading about tubes lately. I will apreciate any help. Thank you! |
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#2 |
diyAudio Member
Join Date: Oct 2006
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There are lots of choices.
Perhaps the easiest it to copy a Fender or Marshall amp, since schematics and kits are widely available and the sound/tone are well known. I began with a Baldwin organ amp with 6L6's on ebay and showed it to a local amp builder that sold me the parts to make a Matchless Spitfire clone (Actually, I made two and one is for sale). Since then, I've modified two amps for guitar. One was a Heathkit amp, and the other was a very old little amp. Pictures are here http://www.naturdoctor.com/Chapters/Amps/Ampersand.html It does take some time to figure out what to look for in an EBay amp. Good luck! |
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#3 |
diyAudio Member
Join Date: Mar 2007
Location: Kansas
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I, for one, would try to find an old tube mono PA system and modify it for use as a guitar amp. You can often find them for extremely low prices (I paid $4 for a fully-functional 35W Bogen) and they require relatively few modifications, making for a cheap and easy build. Instructions on how to do so are here .
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