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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: Instantaneous hum posted by breadhead on April 5, 2007 at 04:08:33:
I listened carefully to the amp and these are my observations. The moment I turn on power there is a slight hum from the speakers. Once the tubes start to conduct there is an increase in the volume but it now sounds more like a buzz than a hum. I also noted that as I turn the volume control up the noise volume decreases. There is a point when the volume control is turned up to about a 7 out of 10 that the noise almost disappears. Hope this info helps.
Thanks,
Jim
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Follow Ups
- More hum info - breadhead 16:35:28 04/05/07 (10)
- Hmmmmm... - Triode_Kingdom 07:42:39 04/06/07 (1)
- Re: Hmmmmm... - breadhead 09:13:34 04/06/07 (0)
- Then you have built yourself some sort of earth (hum) loop into... - Allen Wright 03:20:27 04/06/07 (7)
- Re: Then you have built yourself some sort of earth (hum) loop into... - breadhead 03:42:29 04/06/07 (6)
- " I am currently using a 12ga. bus for ground" - Allen Wright 07:54:03 04/06/07 (5)
- Implementation mistake - breadhead 11:04:39 04/06/07 (3)
- "I noticed that the signal input is not referenced to ground in any way" - Allen Wright 12:41:45 04/07/07 (2)
- Guess what I meant was... - breadhead 16:40:10 04/08/07 (0)
- Been doing some online studying - breadhead 16:36:45 04/07/07 (0)
- Re: " I am currently using a 12ga. bus for ground" - breadhead 09:19:03 04/06/07 (0)
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