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Old 22nd December 2010, 06:53 PM   #1
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Default First attempt p2p valve power amp

Hi

I want to build my first power amp from scratch. I've asked in the past about buying cheap Chinese amps (which I did but I'm not happy with) and was told repeatedly to build one, well here I am!

This thread will deal with choosing the schematic and then once I've chosen one I'll then create a new thread that follows the build.

So suggestions for an amp / schematic on the following criteria:

Easy to build
Single ended
Well documented
Good for sensitive full rangers
Suited to folk music
Able to wire point to point
Sounds amazing

Thanks

Chris
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Old 22nd December 2010, 07:29 PM   #2
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In no particular order...

Tubelab's Simple SE
RH84 or RH807
Pete Millett's E-linear
You may also want to follow this thread if you haven't already (KT88 SE)
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Old 22nd December 2010, 08:41 PM   #3
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Boozhound labs 6SL7/6V6......

Boozhound Laboratories

Tubelab SE, already mentioned........not P2P if you buy the PCB....but you can certainly build it P2P.

How sensitive are your full rangers?
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Old 22nd December 2010, 08:54 PM   #4
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The boozehound one looks good as it seems well documented

The full rangers are about 98db
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Old 22nd December 2010, 09:17 PM   #5
ZUM911 is offline ZUM911  Australia
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Search for Gordon Rankin's Bugle and Baby Ongaku for simple SET builds. I've built the Baby O and it sounds great.

Rick
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Old 23rd December 2010, 12:00 AM   #6
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Oh, and there are several 6EM7/13EM7 amps out there that should do nicely.
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Old 23rd December 2010, 02:19 AM   #7
cjkpkg is offline cjkpkg  United States
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I second the TubelabSSE...it is a very quiet amp - much quieter than the 300b I am building...although I am not done with it yet...

The only thing I will say is but the heaviest OPT's that you can afford...I am on my third set for this SE amp and it is now suitable...I highly recommend edcor CXSE series...they are truly no joke...

Abdella's KT88 SE is another one for a true P2P effort...
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Old 23rd December 2010, 02:24 AM   #8
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RH84. I have mine on a pair of sensitive fullrangers and it sounds incredible. Power is limited (around 4W) but can be played loud enough to be heard in the garden. The low parts counts means you can be as generic or as exotic as you want without breaking the bank too.

Btw, I listen to folk music as well and I believe this suits it well. The vocals and soundstage are unbelievable.

Last edited by quikie22; 23rd December 2010 at 02:26 AM.
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