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Author Topic: Active Grounding  (Read 10179 times)

Offline rollo

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Active Grounding
« on: April 23, 2021, 11:41:51 AM »
  Seems to be a popular new grounding scheme. Any thoughts. Dave can you design one for reasonable money ? Nordost and Synergystic Rearch offer them at big money.


charles
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Offline P.I.

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Re: Active Grounding
« Reply #1 on: April 23, 2021, 11:48:42 PM »
Quote from: rollo on April 23, 2021, 11:41:51 AM
  Seems to be a popular new grounding scheme. Any thoughts. Dave can you design one for reasonable money ? Nordost and Synergystic Rearch offer them at big money.


charles
I've been working on one for a year.
There are two different approaches to this.  One is the stand alone ground noise sink that attaches to component's grounds via the RCAs and unused XLR connectors.  The other is the device that is connected to AC ground and is an attempt to sink noise to the AC ground at the power entry.  I think the latter is a poor choice.  What we are wanting is to drain ground plane component generated noise from the gear, not AC noise.

I'm a month off on this... Stay tuned.

I'm still trying to fill my Digi II orders.  One of the major components is unavailable nationally until July.  I am waiting for parts from Germany right now.  It sucks to develop a really good product and then have essential components go away... 🤬
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Offline rollo

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Re: Active Grounding
« Reply #2 on: April 24, 2021, 07:47:08 AM »
   Ah Ha one never sleeps. Cool glad to hear you are on it. As an experiment I am going to try using the unused RCA in preamp and DAC. I would assume not to AC ground.
    Dave is it 12V grounding of circuit ? Not AC ground correct.


charles
« Last Edit: April 24, 2021, 11:44:54 AM by rollo »
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Offline rollo

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Re: Active Grounding
« Reply #3 on: May 28, 2021, 08:02:14 AM »
 I experimented putting a Copper ground bar in a box with soil. Attached wires to ground bar and then to unused RCA. HOLY NOISE REDUCTION BATMAN !!!. Moistened Soil then after 24 hours even quieter. Hurry up Dave.


charles
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Offline P.I.

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Re: Active Grounding
« Reply #4 on: May 28, 2021, 09:45:23 AM »
Quote from: rollo on May 28, 2021, 08:02:14 AM
I experimented putting a Copper ground bar in a box with soil. Attached wires to ground bar and then to unused RCA. HOLY NOISE REDUCTION BATMAN !!!. Moistened Soil then after 24 hours even quieter. Hurry up Dave.


charles
I have a huge project that is coming to an end next week.  More, then!

Busy, busy, busy me  :thumb:
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Offline Folsom

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Re: Active Grounding
« Reply #5 on: May 28, 2021, 12:05:53 PM »
Quote from: rollo on May 28, 2021, 08:02:14 AM
I experimented putting a Copper ground bar in a box with soil. Attached wires to ground bar and then to unused RCA. HOLY NOISE REDUCTION BATMAN !!!. Moistened Soil then after 24 hours even quieter. Hurry up Dave.


charles

So... you water your Antenna?  :rofl:
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Offline rollo

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Re: Active Grounding
« Reply #6 on: May 28, 2021, 12:17:02 PM »
Quote from: Folsom on May 28, 2021, 12:05:53 PM
Quote from: rollo on May 28, 2021, 08:02:14 AM
I experimented putting a Copper ground bar in a box with soil. Attached wires to ground bar and then to unused RCA. HOLY NOISE REDUCTION BATMAN !!!. Moistened Soil then after 24 hours even quieter. Hurry up Dave.


charles

So... you water your Antenna?  :rofl:

  Of course don't you ? kidding aside. I was told to keep the ground rod for my electrical system in a moist atmosphere for better grounding. Applied same conditions to my experiment.

charles
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Offline rollo

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Re: Active Grounding
« Reply #7 on: February 22, 2022, 12:21:36 PM »
  Now grounded to AC outlet. Even better.

charles
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Offline P.I.

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Re: Active Grounding
« Reply #8 on: February 22, 2022, 02:07:33 PM »
Quote from: rollo on May 28, 2021, 12:17:02 PM
Quote from: Folsom on May 28, 2021, 12:05:53 PM
Quote from: rollo on May 28, 2021, 08:02:14 AM
I experimented putting a Copper ground bar in a box with soil. Attached wires to ground bar and then to unused RCA. HOLY NOISE REDUCTION BATMAN !!!. Moistened Soil then after 24 hours even quieter. Hurry up Dave.


charles

So... you water your Antenna?  :rofl:

  Of course don't you ? kidding aside. I was told to keep the ground rod for my electrical system in a moist atmosphere for better grounding. Applied same conditions to my experiment.

charles
  Hint of the day:  dissolve as much epsom salts as possibe into a gallon or so of water.  Pour it around the ground rod and let it soak in.  Even better, make some holes around the ground rod.  I use a piece of #4 rebar 18" long, but anyting will do to make the holes.  Pour about a pint in and let it soak in.  Repeat daily until the epsom salts water is gone.  Repeat this about once a year.  It greatly enhances the earth ground local conductivity.  Easy and VERY effective at keeping the ground stabilty ongoing.
« Last Edit: March 09, 2022, 05:00:34 PM by P.I. »
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Offline Hibernian

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Re: Active Grounding
« Reply #9 on: February 24, 2022, 06:38:02 AM »
Hi folks. Am having a hard time 'seeing' these ground-in-a-box' solutions, any pictures? Am imagining this might be a way to use fake plants to serve as grounding devices and a little room adjustment/decoration too.
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Offline rollo

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Re: Active Grounding
« Reply #10 on: March 09, 2022, 01:21:26 PM »
Several companies make them A bit pricey so the experiment. It reduces noise and gives more info. Sorry no photo not capable of that.

charles
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Offline rollo

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Re: Active Grounding
« Reply #11 on: December 08, 2022, 12:18:04 PM »
 Any progress ??



charles
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