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Reviews (9)
21 Mar, 2017
I've Bought Some More
These PSUs are just the best. Nothing comes close to it's "Power To Size" ratio. There are so many conversion articles about them. The best ones require NO physical modification to the actual PSU board.
I rate the best article on the Studio939 blog.
Just insulate the board from the metal chassis via nylon washers and nylon screws if you want to use them in series.
Butt Simple Ideas make an excellent quality, great value product, it simply plugs on to the card edge and then you just wire it up.
31 Oct, 2018
Excellent for doing repairs on vacuum tube radios and amplifiers
It has excelling information on a wide range of vacuum tubes
29 Nov, 2017
Great Preparation For Calculus
The content is what I expected, pity the publisher didn't issue the International 6E in hardback. The paperback is very flimsy, offering no protection of the pages. Very poor.