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In Reply to: RE: DIY SET, LAYOUT - keep short return paths to Ground posted by drlowmu on August 17, 2016 at 08:50:20
Jeff,
Looks nice. I tend to heat mechanical connections up and fill with solder from experience with intermittent connections...especially earthing.
Stuben
Follow Ups:
Thanks !!ALL my spade lugs are soldered, actually Wonder Soldered with a 250 watt gun. So, I do what you suggest, and I use a self-locking nut.
Triode Kingdom has offered a very good suggestion, which I will possibly implement next amp - but I would not ever use 16 AWG, perhaps 12 AWG, and maybe even 10 AWG. Thank you, T.K.
Jeff Medwin
Edits: 08/21/16 08/21/16 08/21/16
"I tend to heat mechanical connections up and fill with solder "
Stacking crimp lugs on a bolt is extremely poor practice. A solid ground requires (at least) two solder lugs bolted to the chassis adjacent to each other with a 14-16 ga. bus wire between them. All star grounds should be soldered to those lugs, and nothing stacked or crimped.
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Buy Chinese. Bury freedom.
Nice idea for grounding. I like the Luminescence grounding scheme. Raised, isolated copper bars. Tied to one point on chassis.
Edits: 08/21/16 08/21/16
that is the technique I employ most of the time... sometimes for 'dead' silence I will separate AC ground {power/filament} from the other ground... sometimes makes silence 'inkier'... sometimes not.
The Mind has No Firewall~ U.S. Army War College.
Do you mean holding the circuit ground a few hundred ohms above earth/chassis ground?
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
No, sometimes a 15 Ohm for one of the two, there can be two separate grounds and NO ground loop with the result being a quieter back ground.
sometimes; Tre.
These experiences come from empirical knowledge... I will do something in a heartbeat by intuition or just plain curiosity to learn.
The Mind has No Firewall~ U.S. Army War College.
That method of grounding looks really nice, but it's risky for a one-time DIY build. The star ground system is still the best bet to be sure ground loops don't occur.
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Buy Chinese. Bury freedom.
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