EAI TR-10 Patch Plugs

Dave Wade dave.g4ugm at gmail.com
Sun Dec 20 16:43:51 CST 2015



> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of
> steven at malikoff.com
> Sent: 20 December 2015 22:23
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Subject: RE: EAI TR-10 Patch Plugs
> 
> ---------------------------- Original Message ----------------------------
> Subject: RE: EAI TR-10 Patch Plugs
> From:    "Dave Wade" <dave.g4ugm at gmail.com>
> Date:    Mon, December 21, 2015 3:46 am
> To:      "'General Discussion: On-Topic and Off-Topic Posts'"
> <cctalk at classiccmp.org>
> --------------------------------------------------------------------------
> 
> >
> >
> >> -----Original Message-----
> >> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of
> >> steven at malikoff.com
> >> Sent: 20 December 2015 02:10
> >> To: General Discussion: On-Topic Posts <cctech at classiccmp.org>
> >> Subject: Re: EAI TR-10 Patch Plugs
> >>
> >>
> >> ---------------------------- Original Message
> >> ----------------------------
> >> Subject: EAI TR-10 Patch Plugs
> >> From:    "Dave Wade" <dave.g4ugm at gmail.com>
> >> Date:    Sun, December 20, 2015 6:41 am
> >> To:      "'General Discussion: On-Topic Posts'" <cctech at classiccmp.org>
> >> ---------------------------------------------------------------------
> >> -----
> >>
> >> > Folks,
> >> >
> >> > I own an EAI TR-10 analog computer which sadly came without any
> >> > patch cables and accessories. Normally this wouldn't be a problem,
> >> > BUT the
> >> > TR-10 comes with special resistive plugs which go at the ends of
> >> > the patch leads. These have a 4mm plug and socket with a 10k or
> >> > 100k resistor in between.  I can't figure out a way to easily
> >> > fabricate replacements. I can easily obtain 4mm plugs and sockets,
> >> > and solder a resistor between them, but when I try and mount them
> >> > on a short rigid tube all my efforts fail. The plug and socket need
> >> > to be twisted in opposite
> >> directions and any soldered joint just fails.
> >> >
> >> > Any usggestions?
> >> >
> >> > Does any one have some of these and if so how are they constructed?
> >> >
> >> > Dave Wade
> >> > G4UGM
> >> >
> >>
> >> Would you be able to put up some photos of what you have, an
> >> original, and with a ruler included for scale?
> >>
> >
> > I don't have anything! The last picture on this page shows the items:-
> >
> > http://www.analogmuseum.org/english/collection/eai/tr10/
> >
> > and the plugs on these are standard "4mm" wander plugs, so the part
> containing the resistor must be about 1" to 1.5" long. There is a 4mm socket
> in the end and either a 1k or 10k resistor.
> >
> > Dave
> 
> Ah, ok, now I get it. Could you use two of the banana jack barrels, cut in half
> (machine them would be better) so that they can be contrarotated, then
> superglue or solvent glue the seam when tightened against eachother?

If I cut them with a saw I end up with a gap. SuperGlue does not gap fill. I am kind of leaning towards casting resin....

> 
> Steve.




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