I have 250V 6.8uF FT-3 caps for parafeed?

kip.duff · 4698

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Offline kip.duff

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on: November 02, 2017, 12:26:49 PM
I was thinking of replacing the coupling and parafeed caps on my Paramount 1.1's.  I intend to install some 600V 0.1uF Russian FT-3 caps for coupling location.  I also have some 6.8uf 250V FT-3 caps that I would like to try for parafeed caps- but stock is 600V (3.3uF).  Since this cap does not see plate-to-ground voltage accross it, am I safe to run this lower voltage spec til I settle on another cap?

Dr. Feickert Blackbird II w Reed 2A tonearm and Lyra Skala cartridge.  Eros 2.  Audio Note DAC 2.1 Signature.  BeePre with BeeQuiet and Paramount 1.1 monoblocs into A7 VOTTs or Nagoaka folded horns.

Offline Doc B.

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Reply #1 on: November 02, 2017, 12:33:49 PM
That cap connects from the plate to the cathode of the 300B. You have about 350VDC+ across that cap, plus the signal voltage. It needs to be rated for 600V.

Dan "Doc B." Schmalle
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Bottlehead Corp.

Offline kip.duff

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Reply #2 on: November 02, 2017, 12:48:21 PM
Thanks Doc.

Dr. Feickert Blackbird II w Reed 2A tonearm and Lyra Skala cartridge.  Eros 2.  Audio Note DAC 2.1 Signature.  BeePre with BeeQuiet and Paramount 1.1 monoblocs into A7 VOTTs or Nagoaka folded horns.

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