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Single Ended Triodes (SETs), the ultimate tube lovers dream.

ALT. 1.




ALT 1.

Not perfect, but ALT. 1. does this :

(1) This totally eliminates a nasty C-input filter.

(2) It reduces series resistances to the 300B Finals Filter, from 270 Ohms to 19 Ohms, a 14-fold reduction.

(3) It reduces B+ ripple from 457 mVAC to 437 mVAC.

(4) It offers a much SMOOTHER non-ringing step response.

(5) In my A-B testing since 1982, L1/C1/L2/C2 always sounds "more refined" than any single L/C filter.

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Question : Which amplifier B+ filter do YOU think would sound best? Why ?

Jeff Medwin




Edits: 01/08/15

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