Tweakers' Asylum

RE: DC-blocking capacitor

73.97.205.225

Duster

In Reply to: RE: DC-blocking capacitor posted by Aristarchus on November 28, 2019 at 15:25:02

The manufacturer clearly states the tube preamplifier output does not feature a coupling capacitor, so don't use it with a direct-coupled power amplifier. I'm leaning towards using a Mundorf MCap Classic 2.2uF 250V polypropylene capacitor, since the particular application does not require anything more than a competent film capacitor for the purpose.

Follow Ups:

RE: DC-blocking capacitor - madisonears 20:19:58 11/28/19 (2)
Perfect value for 50k. Mundorf will be fine if there's room.

Tony Gee's (HHH) ratings are pretty reliable, translate well from his crossover trials to coupling duty.
berate is 8 and benign is 9
- RE: DC-blocking capacitor - Duster 20:56:40 11/28/19 (1)
  I'll give the polypropylene Mundorf MCap Classic 2.2uF 250V a try, madisonears.
  - RE: DC-blocking capacitor - Aristarchus 22:09:55 11/28/19 (0)
    Tony Gee rates the Cornell Dublier 940c and the Wima MPK10 higher than the M Cap so since you don't have the M Caps lying around you might consider a cap that Tony Gee rates higher. Both are inexpensive.
    
    "The party told you to reject the evidence of your eyes and ears. It was their final, most essential command." George Orwell-1984

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