Tube Amp DIY projects

2A3 Tube amp: "a tribute to simplicity"

Just finished the 2A3 tube amp project. I need few days for fine-tuning. I will provide more information soon. So stay tuned. In the meanwhile...

SV811-3 tube Amp

SET direct heated triode tube power amp

Direct heated triode power output tubes are really interesting. Since September 2008 I've been working in a new project regarding...

el34-audio-power-amp

Giannis Spathopoulos made this one-off treasure audio power amp. This prototype model featuring four JJ EL34 power output pentodes per channel in an ultra linear push pull configuration. With an...

se el84 tube amp

A Decware EL84 Zen Amp clone

Making a low power single ended amplifier has always been in my designing plans. Obviously such a construction requires the appropriate speakers, particularly...

6L6 single ended tube amp

The 6L6 simple SE

Even though 6L6 tube is used primary in guitar vacuum tube amplifiers, many manufacturers use this tube in audiophile designs. I decided to build this...

pp6550

Push Pull 6550 DIY audio tube amps

The idea of building a DIY audio vacuum tube amplifier based on high-quality materials begins in the early 90's....

tube power supply

The tube power supply project

This project was an attempt to build a tube amplifier power supply for my 6550 push pull dual mono amps. I already had a...

se 807 tube amplifier

807 parallel SE amplifier

In the summer of 2002 I decided to build a pair of mono block parallel single ended DIY tube amps, using the 807 tube. Actually, that was my...

heavy-set-amp

DIY tube amplifier by Stavros Danos

This gorgeous heavyweight SET amp uses the Direct Heated 813 tubes triode connected, runing at 120mA. OPTs are the excellent Sowter...

crystal set amp

Crystal SET amplifier project by Martin Thibault

What we have here is an acrylic stereo, 5u4GB tube rectified, Single Ended Triode using two 6L6Gb’s as outputs, one 6CG7...

6L6-push-pull-12-tube-amp

A 6L6GC push pull tube amp with 12 tubes (6 tubes per channel !)

The amplifier is experimental. The original circuit has undergone many modifications. Perhaps the final design is...

811A-pse

811A Parallel single ended amp

This 811A tube amp DIY project designed by George Filippou and Giannis Spathopoulos. It is the first attempt to work with...

ppEL34-GS

Ultra Linear PP EL34 amp

This is Giannis Spathopoulos EL34 amp push pull diy...