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help with peizo preamp for accoustic
help with peizo preamp for accoustic
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Old 29th March 2005, 07:32 AM   #1
Billie Black is offline Billie Black  Australia
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Default help with peizo preamp for accoustic

i am trying to build a pre amp using a National LF442CN. I have got a it working and with pleanty of volume but has an annoying hum. But only in a few amps!!!! When i touch the jack casing it ceases and works great. As far as i can tell i have earthed it all well. Any help would be greatly appreciated.
cheers
billie
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Old 30th March 2005, 11:06 PM   #2
pinkmouse is offline pinkmouse  Europe
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help with peizo preamp for accoustic
Have you tried using a DI box with earth lift?
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