• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

What amp kits are out there?

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Electro3000

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Joined 2005
#1
It's 2010 and I'm wondering what's a good modern tube amp kit? Is there anything new with minimum of 30 to 40 watts? 50 to 60 would be ideal
I'm thinking the OTLs from Bruce and Dynaco clones from Triode Electronics.
I've built an Edison 60 in the past that was excellent.
I've been living without a tube amp for many years now (I do have an Aikido tube pre though) and the itch to try something new is back...
Any suggestions?
 
#4
Julien_M said:
It's 2010 and I'm wondering what's a good modern tube amp kit? Is there anything new with minimum of 30 to 40 watts? 50 to 60 would be ideal
I'm thinking the OTLs from Bruce and Dynaco clones from Triode Electronics.
I've built an Edison 60 in the past that was excellent.
I've been living without a tube amp for many years now (I do have an Aikido tube pre though) and the itch to try something new is back...
Any suggestions?
Click to expand...

To the OP above, What speakers are you using? Chose the project based on what you own now and what you might buy later. If you don't have speakers then, you are in luck because you can build a 18 WPC amp and get some 100 dB skeakers.

Not to hijack the thread but I'm looking for a next amp project also. The current project is a high gain guitar amp but next i need something to power a pair of vintage Infinity Quantum 3 speakers and if I can find a pair I'd upgrade to Q2.
(more info here: Infinity Quantum 2 Speakers)

Specs on these beasts are "horrible" (if you are an amp)
1) 3 dB flat 24 Hz to 30+ Khz
2) four ohm load except for they dip to two ohms in the low bass
3) Very in-efficient, maybe 83 dB. Some people say 80 dB
 
#6
boywonder said:
Not to theadjack, but has anyone built the Monobill II? I'm halfway through breadboarding it but I cannot find much info out there.

just curious.

Back on topic........how much of a kit are you looking for? A complete kit with chassis, iron, tubes, etc. or a PCB and a BOM, where you pick the iron and other components?
Click to expand...

Any kit format is fine. It can be just a PCB to a full kit with chassis and all components. I'm always ready for a new challenge...

Speakers at the moment are the Thor's on a "fat" Thor cabinet. I'm not looking to change them at this point or to get high efficiency speakers any time soon. So power is important. I'd say minimum 40W @4ohms. I think the ideal kit would be Bruce's The Beast OTL monos, but right now that's a bit too much for my pockets...
 
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