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Old 13th April 2006, 10:41 PM   #1
diyAudio Member
 
Join Date: Jul 2004
Location: Austin, TX
Default my biggest project ever , need lotsa help plz

hi all ...
i m starting to build my first tube amp ever ! my goal is to make a complete bass head to use for small concerts and for record , i built two tube preamps before ,,, but here s my first try to buil a valve amp ...
my resources here are too low , i just got two simiens el34 worked tubes and have a few 12at7 , and it maybe my last experience in valves ,and i just got the transformer and choke as a gift from a friend ( thanks a lot Bas ) SO I HAVE TO MAKE THIS AMP WORK ! lol , ...
the first thing that s sooo important for me is NOISE ! lol , i wanna use this amp for recording and so i have to kill the noise ...
here s the chain i m goin to use :
a valve comp/limiter ==> ampeg bass preamp ==> marshall 50w power amp
i attached the comp schematic and here s the links for pre and power amp :
http://www.drtube.com/schematics/ampeg/v3pre-jp.gif
http://www.drtube.com/schematics/marshall/78331-2.gif

..this project is so important for me and i want to start it , i m trying to go on step by step and report here to make this amp work well for sure with help of u guys ...

in first step i started to convert the amp schematic into a pcb lay out , i wanna build it on board , and i ll send the completed layout as soon as i finish it
so any idea ? any mods ? any suggestion ?
thanks a lot all ,...
Attached Images
File Type: jpg comp11.jpg (63.7 KB, 198 views)
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