Ampeg J-12D

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Ampeg J-12D

vecher
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Posts: 933
Threads: 140
Joined: Mar 2015
City: Lansdale State, Province, Country: PA

09-02-2021, 11:32 AM

Does anyone have any information on this amp.. I replaced all caps .. when i turn it on... no mic connected its quite .. no hum.. but when i plug in a mic i get a load hum when i turn up the volume its a metal case mic as soon as i touch the mic the hum comes.. any clue on why? grounding ??

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Ampeg J-12D - by vecher - 09-02-2021, 11:32 AM

RE: Ampeg J-12D - by Radioroslyn - 09-02-2021, 11:56 AM

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