In Reply to: Yep... posted by Ivan303 on June 9, 2021 at 18:15:16:
Have you used a voltmeter to check various points in the circuit to see if there's a voltage that's rising or falling in conjunction with the "rush"? Maybe a voltage that stabilizes just just after the noise falls away? I'd do that before ordering resistors willy-nilly. :)
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: Yep... - Triode_Kingdom 06/9/2119:49:23 06/9/21 (21)
- No, but the voltages are very stable... - Ivan303 20:03:24 06/9/21 (20)
- RE: No, but the voltages are very stable... - AmadeusMozart 01:47:29 06/10/21 (19)
- Ah, but the 5691 is rated at 100V heater to cathode... - Ivan303 09:54:36 06/14/21 (0)
- Not by much, if at all... - Ivan303 05:30:10 06/10/21 (17)
- RE: Not by much, if at all... - Tre' 11:10:32 06/12/21 (15)
- 300B is as quiet as a mouse... - Ivan303 11:47:14 06/12/21 (14)
- RE: 300B is as quiet as a mouse... - Tre' 12:38:50 06/12/21 (12)
- I have a 'spectrum analyzer' on my cell phone.... - Ivan303 17:21:32 06/12/21 (11)
- RE: I have a 'spectrum analyzer' on my cell phone.... - Tre' 20:09:30 06/12/21 (10)
- Seems so... - Ivan303 06:51:09 06/13/21 (9)
- RE: Seems so... - Tre' 09:25:08 06/13/21 (8)
- RE: Seems so... - Ivan303 10:25:11 06/13/21 (7)
- And it ain't the amp. - Ivan303 11:02:32 06/13/21 (6)
- RE: And it ain't the amp. - Tre' 12:02:53 06/13/21 (4)
- Ground is ground, the world around... - Ivan303 13:09:02 06/13/21 (3)
- RE: Ground is ground, the world around... - Cut-Throat 13:17:43 06/13/21 (2)
- Easily done... - Ivan303 14:20:47 06/13/21 (1)
- Cool nt - Tre' 16:59:29 06/13/21 (0)
- RE: And it ain't the amp. - Cut-Throat 11:12:38 06/13/21 (0)
- On the plus side... - Ivan303 12:04:28 06/12/21 (0)
- OK, by a bit... - Ivan303 06:04:14 06/10/21 (0)