jea48
Responses from jea48
| Why Power Cables Affect Sound erik,Please explain how the noise of the switching of a full wave rectifier in a power supply can pass back through the primary winding of the power transformer and through the power cord and end up on the AC mains.Jim | |
| Dealing with a power amp that need 20A connection I am listening at a low ~ medium volume level, fearing trip the circuit breaker. You can crank the volume up as much as want. The 10 amp Line fuse is a lesser value than the 15 amp breaker. The actual FLA on the amp is more than likely 8 amps or ... | |
| Isolated Ground causes ground hum. lak,Thank you for the kind words.Jim | |
| Isolated Ground causes ground hum. Do I have to remove all the ground rods I already planted is in the ground? Is there any issue if I keep them there? Its kind of hard to remove those rods now. No problem with leaving them there. I would remove the ground wire from the rods from ... | |
| Isolated Ground causes ground hum. 2) Connected the Isolated Ground (from my ground post) to the ground pin of the IGR receptacle. Dangerous and against Code. In the event of a hot to chassis ground fault event, of a piece of audio equipment plugged into the IG receptacle, there i... | |
| Isolated Ground causes ground hum. @ erik_squiresThank you for the clarification.Yes you are correct there is no limit to the number of earth ground rods as long as they are all tied together. They then become one electrode. One ground wire is extended and then connected to the se... | |
| Isolated Ground causes ground hum. @ erik_squires Add more ground rods. Bond them to house ground rod farm. Run 1 ground wire directly to the ground rods, and use that for your outlets. Not sure what you are recommending to the OP. Would you please expand.NEC requires the equipment... | |
| Why Power Cables Affect Sound cleeds Is it because of the better quality AC connectors? Is it the geometry of the cables themselves? I honestly don’t know. And I don’t care. And this being a hobbyist’s group,Add, it is possible the cord used is helping to prevent induced AC v... | |
| Isolated Ground causes ground hum. What do you think about the use of Isolated Ground Receptacle in this case.Thanks First, what is an IG, (Isolated Ground) receptacle? A receptacle where the female equipment ground contact is isolated electrically from the receptacle supporting b... | |
| Isolated Ground causes ground hum. Hi Experienced Goner.I am adding the isolated ground into my music system and when I connected the ground wire into my existing system and it hums badly.Did I do st wrong? Thanks Calvin dangcaonguyen12-19-2018 7:34pm dangcaonguyen OP113 posts12... | |
| Why Power Cables Affect Sound @ mkgus OP This may help you to better understand "the why do".https://www.gcaudio.com/tips-tricks/why-power-cables-make-a-difference/. | |
| A problem with AC Power you may not have considered. Either way, I don’t see any AHJ issuing a permit for residential use of this equipment. Agree.If you read NEC Article 647 it clearly states 60/120V power systems are approved for use in commercial and industrial occupancies. Period..... NEC 647.3... | |
| A problem with AC Power you may not have considered. spatialking OP118 posts12-15-2018 1:31pm Do be aware if you spring for this - currently there are no NEMA receptacles or plugs designed for balanced 120VAC power. See NEC 647.7 (4) Exception: Receptacles and attachment plugs rated 125-volt, singl... | |
| To buy grounded or not to buy grounded. That is the question. jab431 posts12-14-2018 11:33amPS Audio made a power cord where you could unscrew the grounding pin. Yes. PS Audio states the grounding pin should only be removed for testing purposes only. Basically covering their butt. Audio-envy on the other ha... | |
| To buy grounded or not to buy grounded. That is the question. towertone24 posts12-12-2018 7:24pmLet’s establish a few electrical facts first;If a piece of equipment comes with a two-prong (hot and neutral) plug then the chases is bonded and passes any short to the neutral. The chassis is bonded to what? Not... |