Electrician specializing in audio needed Buffalo

Rleff,

Thank you for suggesting the Speaker Shop; I hadn't thought about them. I have spoken with a number of electricians but none of whom have any real audio-specific experience.

Jim, thank you for responding.

I have two separately metered services into my home. One service is solely dedicated to my listening room. The panel sits directly beneath my listening room. I have 5 dedicated runs of solid 10 AWG wire from 20 amp breakers to 5 in-floor Furutech duplex outlets. The longest run of wire is 11 feet. All wiring is fully exposed and none of it travels through the wall. Getting this work done, required three different electricians, not one of whom had any interest in listening to me or in following my instructions. I am now looking for someone who can properly ground my installation because I am still dealing with a fair bit of hum.

Jim,

Thank you for all of your help.

I used three dedicated runs of Oyaide solid core 10 AWG wire from three separate breakers in the panel to three separate outlets dedicated to my power amplifiers and my direct drive turntable. Each run is fully visible from the panel to the outlet. The cable was not run inside conduit because the City inspector did not require it. I used two dedicated runs of Cardas solid core 10 AWG wire to two separate outlets dedicated to the power supplies for my phono stage and line stage preamplifiers. These two runs are also fully visible from the panel to the outlets and were not run through conduit.

I had previously checked the outlets with my voltmeter when first installed and found zero volts when checking outlet to outlet.So I had assumed everything had been properly run off of the same leg.

My mono power amplifiers have a ground lift switch. When I flip the switch, my system is dead quiet. I just don't like the idea of having to defeat ground to achieve silence. This seems dangerous to me.

Thanks again for your time.

Thanks again Jim. Does lifting the ground on my power amplifiers do anything to degrade the amp's sonic capabilities?

Agreed; Atmasphere and Almarg are welcomed in any discussion. Thanks again.

Al thanks for your input. I am actually referring to my Frankensteins. The very latest incarnation of the Frankensteins have a ground lift switch. This afternoon I discovered that the source of the problem may actually be an inexpensive CD player (with a captive two prong AC cable) that I have been using to break in a new modification done to the Frankensteins. When I switched from the CD player back to my turntable, the hum was gone and no need to lift the ground; the hum returned as soon as I reconnected the CD player.

I will conduct the experiment you suggested at some point this coming week and report my findings here.