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Splicing mic cables

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Jim Wiley-2

Splicing mic cables

I have a question that perhaps someone on this list might have the
answer to.

Does anyone know of good method for splicing tinsel-wire cables? I am
trying to repair a microphone extension cable that got ripped in two.

The cable in question is a 6-wire microphone cable, with conductors that
look to be about 24 to 26 gauge in size. The conductors consist of
copper foil wrapped around some sort of fabric core. Attempts at
stripping were dismal, using several different techniques. The cable
is normally terminated into a RJ type connector, that apparently uses ID
(insulation displacement) to connect to the wires. I am considering
something like Scotch UR type splices, but don't want to spend money on
a box without knowing if they will work or not.

A new cable is a possibility, but the existing one is built in to a
console, and several hours of work would be involved in removing and
replacing the existing cable.

Soldering to individual conductors does not work. The resulting
connection is weak and very fragile.

- Jim, KL7CC

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n6wg

Re: Splicing mic cables

Hi Jim
That is mighty hard wiring to work on.
The old high impedance headsets used to
come with that kind of wire, and when
it went, we just replaced it entirely with
something else flexible.

Unless someone comes up with a magic
bullet for you, better plan on a rewire job.

Good luck and 73
Bob N6WG

----- Original Message -----
From: "Jim Wiley" <[hidden email]>
To: <[hidden email]>
Sent: Saturday, March 08, 2008 1:46 PM
Subject: [Elecraft] Splicing mic cables

>
> I have a question that perhaps someone on this list might have the
> answer to.
>
>
> Does anyone know of good method for splicing tinsel-wire cables? I
am
> trying to repair a microphone extension cable that got ripped in
two.
>
>
> The cable in question is a 6-wire microphone cable, with conductors
that
> look to be about 24 to 26 gauge in size. The conductors consist of
> copper foil wrapped around some sort of fabric core. Attempts at
> stripping were dismal, using several different techniques. The
cable
> is normally terminated into a RJ type connector, that apparently
uses ID
> (insulation displacement) to connect to the wires. I am
considering
> something like Scotch UR type splices, but don't want to spend money
on
> a box without knowing if they will work or not.
>
>
> A new cable is a possibility, but the existing one is built in to a
> console, and several hours of work would be involved in removing
and

> replacing the existing cable.
>
>
> Soldering to individual conductors does not work. The resulting
> connection is weak and very fragile.
>
>
> - Jim, KL7CC
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

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Post to: [hidden email]
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George Victor-2

Re: Splicing mic cables

I have done this with "B" Connectors.
They are the old style Bell Telephone Connectors.
Very common in the Alarm Industry today.
Jim, email me in private, I can get some to you.
George

On Sat, Mar 8, 2008 at 5:00 PM, Robert Tellefsen <[hidden email]> wrote:

> Hi Jim
> That is mighty hard wiring to work on.
> The old high impedance headsets used to
> come with that kind of wire, and when
> it went, we just replaced it entirely with
> something else flexible.
>
> Unless someone comes up with a magic
> bullet for you, better plan on a rewire job.
>
> Good luck and 73
> Bob N6WG
>
>
>
>
> ----- Original Message -----
> From: "Jim Wiley" <[hidden email]>
> To: <[hidden email]>
> Sent: Saturday, March 08, 2008 1:46 PM
> Subject: [Elecraft] Splicing mic cables
>
>
> >
> > I have a question that perhaps someone on this list might have the
> > answer to.
> >
> >
> > Does anyone know of good method for splicing tinsel-wire cables? I
> am
> > trying to repair a microphone extension cable that got ripped in
> two.
> >
> >
> > The cable in question is a 6-wire microphone cable, with conductors
> that
> > look to be about 24 to 26 gauge in size. The conductors consist of
> > copper foil wrapped around some sort of fabric core. Attempts at
> > stripping were dismal, using several different techniques. The
> cable
> > is normally terminated into a RJ type connector, that apparently
> uses ID
> > (insulation displacement) to connect to the wires. I am
> considering
> > something like Scotch UR type splices, but don't want to spend money
> on
> > a box without knowing if they will work or not.
> >
> >
> > A new cable is a possibility, but the existing one is built in to a
> > console, and several hours of work would be involved in removing
> and
> > replacing the existing cable.
> >
> >
> > Soldering to individual conductors does not work. The resulting
> > connection is weak and very fragile.
> >
> >
> > - Jim, KL7CC
> >
> > _______________________________________________
> > Elecraft mailing list
> > Post to: [hidden email]
> > You must be a subscriber to post to the list.
> > Subscriber Info (Addr. Change, sub, unsub etc.):
> > http://mailman.qth.net/mailman/listinfo/elecraft
> >
> > Help: http://mailman.qth.net/subscribers.htm
> > Elecraft web page: http://www.elecraft.com
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

G4LNA

Re: Splicing mic cables

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