Search found 3 matches

by Gor
Tue Nov 19, 2019 5:38 pm
Forum: Technical Discussion
Topic: SE amp hum.
Replies: 6
Views: 439

Re: SE amp hum.

Okay thanks. How do I determine the source of the hum? Is it true that you can remove all the valves and if it still hums the ot transformer is the culprit?
Thanks again. G
by Gor
Tue Nov 19, 2019 5:06 pm
Forum: Technical Discussion
Topic: SE amp hum.
Replies: 6
Views: 439

Re: SE amp hum.

Thank you. I have a rough schematic. I will do a better one during the week and mark the grounding points.
The amps are 70 years old so I’m not expecting to cancel all him but would like to at least cut it down a little.G
by Gor
Tue Nov 19, 2019 4:52 pm
Forum: Technical Discussion
Topic: SE amp hum.
Replies: 6
Views: 439

SE amp hum.

Hello I’m new here. I’m sure this topic has been kicked around a lot but......any advice on keeping hum on a SE amp to a minimum? I know my way around a valve amp but I’m just getting started really. Please treat me as a novice. All the information I have found so far goes in to loads of Maths and t...