EAI TR-10 Patch Plugs

Dave Wade dave.g4ugm at gmail.com
Sun Dec 20 11:46:20 CST 2015



> -----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


> Steve.




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