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Do It Yourself (DIY) paradise for tube and SET project builders.

Sprague Atom 20mfd/600VDC rated caps

Ended up replacing all the main filter caps. And the bias supply ones, too. I upgraded the bias supply to two 100mfd/100VDC.

I was thinking of stocking up on those 20mfd/600VDC Sprague ATOMS. For the reasons that Jim noted. Kinda $$$ at $20 each. Big, too. They will fit under a Fender amp "doghouse." Anyone try these yet?

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As for 60Hz versus 120Hz, I learned it, this way:

60Hz is lower than an open low E-string. Standard tuning.

120Hz is a little higher than an open A-string.

If you have a guitar, difference is apparent.





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