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In Reply to: RE: Adding BNC Jack to CD Transport posted by Batman on February 05, 2017 at 05:37:29
My transport (Sonore Signature)has a BNC jack and I'm contemplating putting a BNC jack on my DAC (AN).
Can't find a high quality BNC chasis jack.
Right now I'm using a cable w BNC on one end and a 75ohm RCA (yes they do exist) on the other end. What bothers me is the RCA on the DAC probably isn't 75ohm.
This is one of those things that, by itself, probably makes very little difference and probably undetectable sonicly. But cumulatively, if you keep changing the impedance by little bumps here and there, bad things start happening.
Follow Ups:
If you have room inside the dac, you can still use the PCB mount by Vampire Wire that I posted in this thread. You won't actually be mounting, but soldering the wires to the pins. And it has the nuts to secure to the surface. I've done that, being in situations as yourself.
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
You just soldered it to the pins of the PCB RCA? That's worth a try.
nt
"I know just enough to get into trouble. But not enough to get out of it."
Just replaced the RCA with the BNC, and soldered the existing wires to the pins.
One thing though, compare the current hole diameters of the RCA and the hole diameter requirement for the BNC. It's been a long time since I've replaced jacks of any sort, and I do recall having to widen the hole in some cases, be it BNC's or RCA's.
The BNC dimensions can be found on the net, usually from wherever you purchase.
If you do need to widen. Sometimes you can just use a round file, or you might need to use a tapered drill bit. Don't want to make it sound over complicated. Just that if you do need to widen the hole. Once it's done, it's done. No going back.
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
I haven't opened it yet but I expect to find that the RCA is soldered to the PCB, no wires to solder to.
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