Found the crackling problem. When I turned up the sensitivity of my scope I could see the noise way back at V1. Problem ended up being the 50pf cap coming off the plate of V1. Not a cold solder joint but a bad cap. What a relief!
Steve
Search found 3 matches
- Sat Jul 26, 2008 6:17 am
- Forum: Trainwreck Discussion
- Topic: Liverpool with odd problem
- Replies: 3
- Views: 836
- Fri Jul 25, 2008 3:41 am
- Forum: Trainwreck Discussion
- Topic: Liverpool with odd problem
- Replies: 3
- Views: 836
Liverpool with odd problem
Hi everyone, I finished a Liverpool project about 7 months ago and all has been fine up until now. Basically what I'm getting is this: As the amp warms up I get this very loud crackling noise that gets louder if I turn up the volume control. When the amp is fully cool it can take up to 5 minutes to ...
- Fri Jul 25, 2008 3:40 am
- Forum: Trainwreck Discussion
- Topic: Liverpool with odd problem
- Replies: 0
- Views: 540
Liverpool with odd problem
Hi everyone, I finished a Liverpool project about 7 months ago and all has been fine up until now. Basically what I'm getting is this: As the amp warms up I get this very loud crackling noise that gets louder if I turn up the volume control. When the amp is fully cool it can take up to 5 minutes to ...