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In Reply to: RE: MAny power supplies for audio use various multi pin connections posted by jea48 on March 24, 2017 at 16:40:52
Read part way down in the Wikipedia link.
Maybe a good analogy is to picture 3 AC currents out of phase so there is never an "off" cycle, or interruption in flow. This is quite advantageous when you are working in AC for small voltages used in audio and broadcasting equipment. And for large industrial equipment, like motors and such. Hope that helps!
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
Follow Ups:
I know what a 3 phase 4 wire AC power system is. I just do not understand why a small power supply, made for an audio system, would need to output 3 phase 4 wire.
How does the small power supply create 3 phase from a single phase power system? It can be done, but, it is not cheap.
Good point. I'm used to power supplies and hook-ups from my rock band days. I thought technology has since filtered down to home audio and as soon as I saw the 5 pin din connector I jumped to conclusions. But looking around the net, I think you're right. I found some internal pics of the original posters power supply. Now I'm not sure what the 5 pins are about unless it just different taps off a transformer in the supply. Any thoughts?
Thanks for catching this. I remain true to my tag line.
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
in the pic you can see 4 wires from the transformer, maybe the 5ht is ground... also, i checked the 5 pin cable connectors and they are all wired to each other, so it seems they really need 5 pins...
Sorry, I can not see anything below the power switch and the hot in and switch leg out wires connected to the switch. The 5 pin DIN receptacle is below the power switch.
I personally know nothing about this power supply. I assume the use of the 5 pin DIN female inlet receptacle is somewhat a standard for 13.5Vac voltage ac out. ???
It is very possible only 3 pins are used on the DIN connector. Two for the AC 13.5 voltage power and one for ground. Only a guess though.
I was honestly convinced it was 3 phase. But I can't find anything remotely close and was picturing the attached. I'm outta phase!
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
I'm outta phase!
LOL.
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