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Old 1st July 2004, 06:05 AM   #1
Ralphie is offline Ralphie  United States
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Default schematics

does anybody know of any designs for amps and equalizers i could make into one unit? i am kind of thinking of just a simple 60 to 100 watt amp. and an equalizer that has master volume, treble, bass, and mid knobs. i am very new to this so sorry if i sound stupid. but can anybody send me links to schematics for such a thing?
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Old 1st July 2004, 05:04 PM   #2
alejo is offline alejo  Argentina
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Please more info about you want build. ej: Push Pull, class A paralel, valve (triode, pentode, etc), money for this proyect?

for any schematics, go to www.google.com and writte valve +schematics ; or tube +schematics

or go to http://www.duncanamps.com/ in schematics button and....

alejo
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Old 1st July 2004, 10:45 PM   #3
Ralphie is offline Ralphie  United States
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well im not sure. i dont know what hardly any of that means, i am just looking for something simple to make thats cheap. if you might know of just an equalizer like i am looking for that would be good too. just something simple and cheap.
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Old 2nd July 2004, 12:44 AM   #4
MIKET is offline MIKET  United States
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Default Let' start with the amp

Robert Willis has a 35W SE design which is simple and will be plenty of power for anyone with reasonably efficent speakers.
http://homepages.ihug.co.nz/~rwillis/alex/

for simple check out this version
http://homepages.ihug.co.nz/~rwillis..._schematic.jpg
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Old 2nd July 2004, 04:17 AM   #5
Ralphie is offline Ralphie  United States
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thanks, i believe that will do nicely. i appreciate your help.
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Old 2nd July 2004, 05:50 AM   #6
SHiFTY is offline SHiFTY  New Zealand
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900V?

Seriously, don't build anything like this unless you are very comfortable with this kind of voltage.

Is it a guitar amp? Otherwise just use a preamp for tone contrls.

I would suggest a KT88 PP amp. Plenty of power.
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Old 2nd July 2004, 10:53 AM   #7
MIKET is offline MIKET  United States
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Default Option 2 PP amp

More difficult to build not SE but still a good design, Here is the link:
http://www.dc-daylight.ltd.uk/Valve-...26K%20Fig3.pdf
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