input jack insulation?

studiotech · 18th November 2004, 04:43 AM

what are you guys doing out there to isolate your RCA jacks from the chassis? all of the jacks that I have seen do not have any type of sleeve or collar for insulation. should i worry too much about isolating them or not? i have the brian gt PCB's.
thanks - Greg

carlmart · 18th November 2004, 07:40 AM

Quote:

Originally posted by studiotech
what are you guys doing out there to isolate your RCA jacks from the chassis? all of the jacks that I have seen do not have any type of sleeve or collar for insulation. should i worry too much about isolating them or not? i have the brian gt PCB's.
thanks -

Isolating your RCA jacks, when you use a metal case, is not an option. It's a demand.

If you don't it's the sure way to a ground loop.

What jacks have you seen that have no insulation sleeves? Radio Shack?

Serious RCA connectors should have isolators, like this:

http://www.partsexpress.com/pe/showd...umber=091-1120

Parts should be non-magnetic too. Teflon dielectric is also to be preferred, instead of plastic. Pick a good RCA connector for your cables.

Carlos

Nuuk · 18th November 2004, 08:29 AM

The alternative is to cut an aperture in the case and then use some non-conductive material to make a panel on which to mount the RCA sockets. That's what I usally do myself.

You can just see what I mean in this picture.

carlosfm · 18th November 2004, 10:11 AM

Quote:

Originally posted by Nuuk
You can just see what I mean in this picture.

Hi Nuuk,

What are those orange things?

Nuuk · 18th November 2004, 10:20 AM

Quote:

What are those orange things?

They are red Carlos!

And top secret too!

Sorry but I have given my word not to talk about them.

carlosfm · 18th November 2004, 11:12 AM

Quote:

Originally posted by Nuuk
They are red Carlos!

I knew this laptop was fake...

Quote:

Originally posted by Nuuk
And top secret too! Sorry but I have given my word not to talk about them.

A man's word is a man's word.
Are you into some tunning?

http://www.diyaudio.com/forums/showt...829#post514829

Nuuk · 18th November 2004, 12:21 PM

Quote:

Are you into some tunning?

Tunning?

carlosfm · 18th November 2004, 01:18 PM

Quote:

Originally posted by Nuuk
Tunning?

Or tuning?
Those guys that tweak their cars no end...

Mr Evil · 18th November 2004, 01:52 PM

Quote:

Originally posted by Nuuk
[B]The alternative is to cut an aperture in the case...

I would consider that a last resort, sa you will lose the benefit of shielding from the case at wavelengths smaller than the hole.

chipco3434 · 18th November 2004, 02:16 PM

Nylon washers work fine. You just might find one with a little collar that will fit in the drilled hole and keep the jack from wollowing around the hole. Plumbing parts... like replacement washers and seats for faucets are a decent hunting ground.

18th November 2004, 04:43 AM	#1
studiotech diyAudio Member Join Date: Jun 2004 Location: Orlando, FLA	input jack insulation? what are you guys doing out there to isolate your RCA jacks from the chassis? all of the jacks that I have seen do not have any type of sleeve or collar for insulation. should i worry too much about isolating them or not? i have the brian gt PCB's. thanks - Greg

18th November 2004, 08:29 AM	#3
Nuuk diyAudio Member Join Date: Feb 2003 Location: Somerset, SW England	The alternative is to cut an aperture in the case and then use some non-conductive material to make a panel on which to mount the RCA sockets. That's what I usally do myself. You can just see what I mean in this picture. __________________ The truth need not be veiled, for it veils itself from the eyes of the ignorant.

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18th November 2004, 02:16 PM	#10
chipco3434 diyAudio Member Join Date: Feb 2004 Location: Racine, Wisconsin	Nylon washers work fine. You just might find one with a little collar that will fit in the drilled hole and keep the jack from wollowing around the hole. Plumbing parts... like replacement washers and seats for faucets are a decent hunting ground.