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Ground Loop




Posts: 1127

Joined: Thu Aug 17, 2006 10:40 am

Location: North Carolina

Post Sun Dec 21, 2008 12:33 pm

Re: Ground Loop

I have also seen thorny hum problems solved this way:

Pull the power meter off. Inside, the neutral I am told, should run straight through to the panel. It should be in one peice, not clamped together. I have personally witnessed the corrosion that builds up under the clamp, but when cleaned to a shine and clamped again the hum went away.

I have also seen corroded connections at the weatherhead cause hum problems. Especially in older homes with aerial power, these connections were simply taped and after years in the elements the corrosion built up. Your local power company should be responsible for everything up to and including the meter, so have them check these points if it comes to that.


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Posts: 2580

Joined: Fri Mar 09, 2007 1:00 am

Location: Bucyrus, Ohio

Post Thu Dec 25, 2008 8:59 pm

Re: Ground Loop

weitrhino penned....Bob Carver/Tim DeParavicini hand built 180 watt tube monoblocks M500 M500t C-9 AV-634 (2)

I'm SO jealous of those tube amps


Its going to be used equipment when I sell it, so it may as well be used equipment when I buy it.

Tim deParavicini's E.A.R. Yoshino V20 Integrated Amplifier, Fosgate Signature Phono pre, Lucas Labs 12B4/OD3 LineStage, No. 50 and 51 Carverfest Tube amps, Hammond M3 tube amp, Rega Planar3 w/SME 3009iii tonearm, Grado Statement Master1 cartridge, Carver TX-8 & 11 tuners, Carver TD-12, Tascam CC-222mkII CD recorder, DBX-3BX & 200xg & 120x, CarverAudio ALV prototypes, Alesis Studio One loudspeakers, CarverFest 2015 speakers, Cambridge Audio Model 8s, The Carver Research DarkStar Sub and Stax Earspeakers.

THIS SPACE FOR RENT...helping the blind to hear, one valve at a time

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