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Messages - mikfer

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1
Preamps and Effects / Preamps, tone stacks, and the TDA2003
« on: July 17, 2007, 01:26:45 PM »
Good day folks,

I'm in the process of designing (if my random thoughts can be said to "design" anything) a TDA2003 based guitar amp. I have a couple of Ruby amps I've built, and now want something with a bit more power, and the TDA2003 seems to be a good choice from the reading and research I've done.

What I'd like to do this time around is add a tone stack to the amplifier. Can I just put the tone stack right after the input or do I need a "Fetzer valve" type setup before the tone stack? I would think that I do, as the tone stack will take out some of the tone from the input, correct?

Thanks all . . . your advice and insights are much appreciated.

2
Amplifier Discussion / Re: help with issue in my amp
« on: July 10, 2007, 09:34:45 AM »
duclon,

A schematic after you've finished your project would be GREAT! I'm another newbie who has just built two versions of the Ruby amp from runoffgroove.com and am looking for another SS amp project, one that's puts out more power than the Ruby's do.

I, and others I'm sure, would like to see the final circuit when you're done.


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