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ac ground loop

Hi Guys
I have a possible ac ground loop with my simplistic riaa phono stage. In another thread i had a AC ground loop with my mono power amps and my preamp. I resolved my problem when I read the groung loop document of Bonsai. I put a hum breaking resistor in my power amp. Now i has a new ground loop problem when i connect my phono stage, i tried a ground lifter in my preamp without success. If I connect my phono stage with my turntable on my old Onkyo receiver and this one has no earth ground I don’t have hum noise:confused:. Somebody can help me?

thank you! Maxpou:)

p.s.: my turntable is a thorens td125 modified without ground wire.

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ac ground loop

Hi Guys
I have a possible ac ground loop with my simplistic riaa phono stage. In another thread i had a AC ground loop with my mono power amps and my preamp. I resolved my problem when I read the groung loop document of Bonsai. I put a hum breaking resistor in my power amp. Now i has a new ground loop problem when i connect my phono stage, i tried a ground lifter in my preamp without success. If I connect my phono stage with my turntable on my old Onkyo receiver and this one has no earth ground I don’t have hum noise:confused:. Somebody can help me?

thank you! Maxpou:)

p.s.: my turntable is a thorens td125 modified without ground wire.

Continue reading at DIYaudio.com: Click Here

Press Release Distribution Service

ac ground loop

Hi Guys
I have a possible ac ground loop with my simplistic riaa phono stage. In another thread i had a AC ground loop with my mono power amps and my preamp. I resolved my problem when I read the groung loop document of Bonsai. I put a hum breaking resistor in my power amp. Now i has a new ground loop problem when i connect my phono stage, i tried a ground lifter in my preamp without success. If I connect my phono stage with my turntable on my old Onkyo receiver and this one has no earth ground I don’t have hum noise:confused:. Somebody can help me?

thank you! Maxpou:)

p.s.: my turntable is a thorens td125 modified without ground wire.

Continue reading at DIYaudio.com: Click Here

Press Release Distribution Service
Feature your business, services, products, events & news. Submit Website.