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- Mon Oct 26, 2020 9:17 pm
- Forum: Technical Discussion
- Topic: Ampeg Gemini I - hum hum hum !
- Replies: 10
- Views: 4416
Re: Ampeg Gemini I - hum hum hum !
The input jacks are where the ground is supposed to originate. the ground loop is actually caused by a white and green wire that comes from the output transformer that is attached to the chassis of the transformer. it was sometimes connected to the filter cap ground which causes the ground loop. Amp...