RE: That's a start

Posted by fredtr (A) on January 31, 2017 at 11:56:03

In Reply to: RE: That's a start posted by mark.korda@myfairpoint.net on January 31, 2017 at 11:00:48:

Here are my guesses. First guess, it isn't the AC coming in, it is the unit's power transformer which isn't perfect. The chassis ground is the center tap of the secondary, which is going to have slightly different inductance to the poles.

Second guess, the AC may be a contributing factor if the waveform is asymmetrical.

Regarding the adding of grounded plugs to vintage equipment. I always do this, but leave it so that it can be detached. I have had a few instances that removing the third wire ground at the equipment end is the only way I could get rid of audible digital noise.

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Follow Ups Full Thread

Topic - Vintage Power Cords - mark.korda@myfairpoint.net 05:38:07 01/31/17 (23)

Check out this old article in the Bound For Sound journal . . . nt - alaskahiatt 09:12:35 02/02/17 (0)

OMG!!! Answer the question please!!! - samstone 17:08:37 02/01/17 (2)

Some components need 3 tests - M3 lover 09:23:59 02/02/17 (1)

RE: Some components need 3 tests - samstone 18:14:57 02/03/17 (0)

RE: Vintage Power Cords - Palustris 11:17:14 01/31/17 (2)

RE: Vintage Power Cords - samstone 17:13:36 02/01/17 (1)

RE: Vintage Power Cords - mark.korda@myfairpoint.net 17:33:36 02/01/17 (0)

Alrighty then - E-Stat 06:18:02 01/31/17 (15)

RE: Easily measurable stuff here - BigguyinATL 13:38:53 02/01/17 (0)

RE: Alrighty then - airtime 07:49:19 01/31/17 (13)

RE: Alrighty then - E-Stat 08:58:39 01/31/17 (6)

RE: Alrighty then - sony6060 10:29:03 01/31/17 (5)

That's a start - E-Stat 10:36:04 01/31/17 (4)

RE: That's a start - mark.korda@myfairpoint.net 11:00:48 01/31/17 (3)

RE: That's a start - Steve O 12:47:39 01/31/17 (0)

RE: That's a start - fredtr 11:56:03 01/31/17 (0)

RE: That's a start - airtime 11:15:29 01/31/17 (0)

RE: Alrighty then - Coner 08:33:02 01/31/17 (1)

Such exists - E-Stat 08:51:36 01/31/17 (0)

RE: Alrighty then - Uncle Mike 08:32:13 01/31/17 (3)

RE: Alrighty then - airtime 08:42:55 01/31/17 (2)

It is... - Uncle Mike 13:44:36 01/31/17 (1)

RE: It is... - mark.korda@myfairpoint.net 05:49:00 02/01/17 (0)

Follow Ups

RE: That's a start - fredtr 11:56:03 01/31/17 (0)

RE: That's a start

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