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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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Got rid of almost all of the hum in the 26/26/845 by going to dc filaments on the 845. I still have a tiny bit left though that is just barely audible from my listening position. I noticed that it does not change with an increase in volume level, just a steady amount. Is that likely to be from the PSU? I had better check it again on psud2 for ripple. I don't think it is coming from the 26's as the hum pots seem able to cancel it out completely there.
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Topic - Where from that hum?? - vinnie2 14:13:25 09/11/16 (48)
- update 5 - vinnie2 05:19:02 09/14/16 (7)
- RE: use a spectrum analyzer ... - deathtube 667 04:01:42 09/15/16 (4)
- RE: use a spectrum analyzer ... - vinnie2 06:06:11 09/15/16 (3)
- RE: use a spectrum analyzer ... - deathtube 667 12:24:05 09/15/16 (0)
- free spectrum analyzer - Tre' 07:29:00 09/15/16 (1)
- RE: free spectrum analyzer - vinnie2 12:36:50 09/15/16 (0)
- RE: update 5 - Tre' 07:41:07 09/14/16 (1)
- RE: update 5 - vinnie2 09:08:56 09/14/16 (0)
- update 4 - vinnie2 12:47:50 09/13/16 (2)
- Vinnie2, have you check to see if you have... - Cougar 19:41:54 09/13/16 (1)
- RE: Vinnie2, have you check to see if you have... - vinnie2 02:55:48 09/14/16 (0)
- update 3 - vinnie2 05:36:09 09/13/16 (16)
- RE: update 3 - Tre' 07:36:32 09/13/16 (15)
- RE: update 3 - vinnie2 09:42:29 09/13/16 (1)
- RE: update 3 - Tre' 12:52:35 09/13/16 (0)
- Wait. Weren't you talking about 60Hz hum from filaments? (n/t) - FenderLover 08:24:48 09/13/16 (12)
- RE: Wait. Weren't you talking about 60Hz hum from filaments? (n/t) - vinnie2 09:17:18 09/13/16 (11)
- RE: Wait. Weren't you talking about 60Hz hum from filaments? (n/t) - Tre' 09:44:44 09/13/16 (10)
- Filament hum - Triode_Kingdom 10:40:52 09/13/16 (8)
- RE: Filament hum - Tre' 12:45:28 09/13/16 (0)
- RE: Filament hum - vinnie2 12:42:12 09/13/16 (6)
- RE: Filament hum - Triode_Kingdom 19:10:38 09/13/16 (5)
- RE: Filament hum - vinnie2 03:18:40 09/14/16 (4)
- RE: Filament hum - Triode_Kingdom 12:17:24 09/14/16 (3)
- RE: Filament hum - vinnie2 13:05:24 09/14/16 (2)
- RE: Ultrasonic Link - deafbykhorns 10:20:56 09/15/16 (1)
- RE: Ultrasonic Link - vinnie2 12:51:13 09/15/16 (0)
- RE: Wait. Weren't you talking about 60Hz hum from filaments? (n/t) - vinnie2 09:48:03 09/13/16 (0)
- RE: Where from that hum?? - Michael Samra 15:17:55 09/12/16 (2)
- RE: Where from that hum?? - vinnie2 15:52:16 09/12/16 (1)
- RE: Where from that hum?? - Michael Samra 13:50:54 09/13/16 (0)
- update 2 - vinnie2 07:04:43 09/12/16 (2)
- RE: update 2 - Tre' 09:13:53 09/12/16 (1)
- RE: update 2 - vinnie2 15:56:36 09/12/16 (0)
- update - vinnie2 06:06:40 09/12/16 (1)
- RE: update - FenderLover 06:22:33 09/12/16 (0)
- I don't know how the power supply is... - Cougar 21:47:44 09/11/16 (4)
- RE: I don't know how the power supply is... - vinnie2 04:08:22 09/12/16 (3)
- Sorry for the late reply... - Cougar 19:29:17 09/13/16 (0)
- RE: I don't know how the power supply is... - SteveBrown 15:38:23 09/12/16 (1)
- RE: I don't know how the power supply is... - vinnie2 16:00:17 09/12/16 (0)
- RE: Where from that hum?? - deafbykhorns 16:08:11 09/11/16 (5)
- RE: Where from that hum?? - vinnie2 18:45:23 09/11/16 (4)
- RE: Try the Ultrasonic approach in lieu of DC - deafbykhorns 18:38:24 09/13/16 (2)
- RE: Try the Ultrasonic approach in lieu of DC - vinnie2 03:19:43 09/14/16 (1)
- RE: Try the Ultrasonic approach in lieu of DC - deafbykhorns 07:36:06 09/15/16 (0)
- RE: Where from that hum?? - megasat16 20:32:25 09/11/16 (0)
- How MUCH, measure for us all ...... - drlowmu 14:53:23 09/11/16 (0)
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