|
OTL Asylum OTL, Output Transformerless Amplifier User Group. |
|
|
|
OTL Asylum OTL, Output Transformerless Amplifier User Group. |
|
In Reply to: Re: Method to track down hum and tube crackle posted by Rush Paul on February 4, 2001 at 09:23:14:
Progress report: I've finished pulling off the bottom cover and re-checked everything I can. After careful inspection and prodding, everything looks looks tight and in good order. That spare hex nut I'd found floating about does not appear to belong to anything. It is the same size as those used in some of the mounting brackets (e.g. the bottom brackets for the large externally visible power supply electrolytics), and everything I look at is securely fastened with nothing missing. I did find one lead to one of the internal electorlytics (next smaller size) to be just finger-tight, with some movement, so I tightened it. Net result: no change. The hum and crackle is still there.
NEXT STEP is to try swapping some of the driver tubes between amps to see if the problems transfers with a tube.-Rush
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Re: Method to track down hum and tube crackle - Rush Paul 10:20:47 02/04/01 (4)
- Re: Method to track down hum and tube crackle - Rush Paul 11:06:34 02/04/01 (3)
- Re: Mechanical buzz from transformers - Rush Paul 18:09:10 02/05/01 (2)
- Re: Mechanical buzz from transformers - Lew 08:15:35 02/06/01 (1)
- Re: Mechanical buzz from transformers - Rush Paul 11:07:28 02/06/01 (0)
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2025, Audio Asylum, all rights reserved ]