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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Oil filled coupling caps are often bad news with one excepetion posted by SuperB on January 29, 2025 at 01:35:08:
I didn't say anything about how the caps sound. We've tested them a lot over the last 25 years. About half of them we tested exhibited some electrical leakage.
So IMO while your example is likely real, the question is 'for how long?'
The original Vitamin Q capacitors are quite old. I hope this isn't what you have in your line stage; I regard them as untrustworthy.
BTW, FWIW, what we've seen of coupling capacitors over the years suggests that bypassing an audio coupling capacitor is a bad move as it smears the sound (the smaller cap usually is much 'faster' than the larger cap). Better to just give it your best shot with the coupling cap and put in the best one you can get.
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Follow Ups
- I don't contest that - Ralph 08:39:52 01/29/25 (6)
- with push/pull I have had GOOD sound by using two different caps for each channel say.. - Cleantimestream 14:33:54 02/13/25 (0)
- RE: I don't contest that - Tre' 19:25:02 01/29/25 (3)
- Did you test them at working Voltages? - Ralph 08:34:38 01/30/25 (2)
- Yes I did. nt - Tre' 10:00:24 01/30/25 (1)
- Time will tell if luck is playing a role. - Ralph 11:44:13 01/30/25 (0)
- +1 (nt) - Paul Joppa 09:17:37 01/29/25 (0)
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