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Building a Valve Amplifier Part 2: Single Channel Prototype and Loudspeakers Assembly

Dave Ives
I currently look after production at AB Open. I have a background in the arts, environmental conservation and IT support. In my spare time I do a bit of DJing and I like making things.


May 25, 2021 07:46

Does anyone reply to questions about the valve amp?

0 Votes

March 3, 2021 10:56

I am seriously thinking of building this valve amplifier. Are there any important facts i need to know before i order the spares?

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May 18, 2021 11:05

@VincentPower I would suggest extreme caution if you do not have previous experience of working with high voltages, since those used with valve amplifiers are potentially lethal. Apologies if you are suitably experienced, but it would be remiss not to point this out. Other than that I would note that this is very much a "build log", rather than a how-to guide and not intended for others to copy verbatim. As such, putting any safety concerns aside, "your mileage may vary" as the saying goes.

September 11, 2019 09:36

Hi Dave
I'm going to give this a try. I used to have a valve amp made from old TV parts many moons ago, sound quality was supreme. Do you mind if I copy yours directly, my electronics are very rusty? If you can send me over any of your termination scheduls that would be a great help.

0 Votes

May 18, 2021 11:06

@TonyWilson Hi Tony, as noted above this is not intended as a guide for others to copy and as noted in the post series, is based on someone else's design. Sounds like you have some experience with valve amps, but as noted above extreme caution should be exercised given the lethal voltages involved. More generally and for those who are not experienced with such things, would recommend going with a kit that includes comprehensive build instructions and support.

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