help me get started

Higbean · 31st July 2007, 09:24 AM

Hi there! I want to build a stereo tube power amp but I am having a hard time figuring out which one to build. I have built several guitar amps, but I know a lot more about which models I like in that arena.

I have only heard a few no name tube amps, but I was totally impressed by the sound. I am looking for one with great sound and moderate power that is fairly inexpensive and pretty easy to build. I have all the tools for building a chassis and turret boards so I pretty much will just need trannys (hammond?) and caps.

I was kind of thinking of EL-34s or KT-88s. I am not sure if I want PP or SE. I will be using it to listen to tunes on the patio while drinking beer at my bar and telling my buddies about how tubes are magic.

Any help would be appreciated.

Colt45 · 31st July 2007, 10:08 AM

If you want moderate power, it pretty well has to be PP.

69CamaroSS396 · 31st July 2007, 10:50 AM

http://diyaudioprojects.com/Tubes/tubes.htm

http://www.lundahl.se/claus_b.html

http://www.angelfire.com/electronic/...p-EL34_UL.html

http://members.tripod.com/~gabevee/index.html

http://www.tubes.mynetcologne.de/roehren/roehren.html

ray_moth · 1st August 2007, 03:09 AM

I'm gonna be the 'cracked record' and suggest you start off right with some book-larnin', namely, by reading Morgan Jones's 'Valve Amplifiers'.

The fact that you know Guitar amps is an advantage but the requirements for hi-fi amps are a bit different. As to whether you really need the power of PP for your patio amp, that probably depends on how far it is to your nearest neighbours and how tolerant they are! On the other hand, I reckon it's probably easier to get good results with PP.

31st July 2007, 09:24 AM	#1
Higbean diyAudio Member Join Date: Jul 2007	help me get started Hi there! I want to build a stereo tube power amp but I am having a hard time figuring out which one to build. I have built several guitar amps, but I know a lot more about which models I like in that arena. I have only heard a few no name tube amps, but I was totally impressed by the sound. I am looking for one with great sound and moderate power that is fairly inexpensive and pretty easy to build. I have all the tools for building a chassis and turret boards so I pretty much will just need trannys (hammond?) and caps. I was kind of thinking of EL-34s or KT-88s. I am not sure if I want PP or SE. I will be using it to listen to tunes on the patio while drinking beer at my bar and telling my buddies about how tubes are magic. Any help would be appreciated.

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31st July 2007, 10:08 AM	#2
Colt45 diyAudio Member Join Date: Feb 2002 Location: Canada	If you want moderate power, it pretty well has to be PP.

31st July 2007, 10:50 AM	#3
69CamaroSS396 diyAudio Member Join Date: Jan 2006 Location: Central Ohio	http://diyaudioprojects.com/Tubes/tubes.htm http://www.lundahl.se/claus_b.html http://www.angelfire.com/electronic/...p-EL34_UL.html http://members.tripod.com/~gabevee/index.html http://www.tubes.mynetcologne.de/roehren/roehren.html

1st August 2007, 03:09 AM	#4
ray_moth diyAudio Moderator Emeritus Join Date: Jan 2004 Location: Jakarta	I'm gonna be the 'cracked record' and suggest you start off right with some book-larnin', namely, by reading Morgan Jones's 'Valve Amplifiers'. The fact that you know Guitar amps is an advantage but the requirements for hi-fi amps are a bit different. As to whether you really need the power of PP for your patio amp, that probably depends on how far it is to your nearest neighbours and how tolerant they are! On the other hand, I reckon it's probably easier to get good results with PP.

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