2. misc-audio
  3. 172186-11588

Should I redo the AC power in my house?

I was inspired by the Michael Fremmer YouTube about how he went to great lenghts to address the power in his home. Also was urged to do so by Mike Lavigne. Thanks Mike.

Fremmer and Lavigne are thrilled with the difference it makes in SQ. Perhaps comparable to getting the next level up on all components. Mike referred me to the consultant both he and Fremmer used-Rex Hungerford of King Rex Electric.

I would not go to the lenghts of those fellows but still would do a lot. The whole job should run about $4-5K. I started this current quest interested in grounding but Mike L and Rex both highly recommended I go the full boat.

 

 

mglik
Post removed 
erik_squires
15,916 posts
 

So after all that work, his stereo won't work if the power is out.

 

<< laughs endlessly>>

kingrex
106 posts
 

Jea48, I think you need to re-read what I wrote.

ditusa's avatar
ditusa
1,769 posts
 

’’FWIW the main purpose of the electrical service to earth connection is for lightning protection.It does nothing for the sound of an audio system.’’

Agreed!

jea48
4,319 posts
 
ditusa’s avatar
ditusa
392 posts

’’FWIW the main purpose of the electrical service to earth connection is for lightning protection.It does nothing for the sound of an audio system.’’

Agreed!

JUUP!

The ground that can have an effect on the sound of an audio system is EGC (Equipment Grounding Conductor). Therein, Ground loop hum. AC noise.

The EGC, when used, is connected directly to the chassis of the audio equipment. Also connected to the chassis is the power supply B - and signal ground. (A well designed piece of equipment does not have the B - and signal ground connected directly to the chassis, when an EGC is used. Usually it is in series with a low ohm resistor or some other series component device.

A good read about the affect of the EGC on audio equipment.

An Overview of Audio System Grounding and Interfacing

Read pages 16 thru 36. Then go to page 196 and so on if interrested.

 

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