> -----Original Message----- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of william > degnan > Sent: 20 December 2015 00:34 > To: General Discussion: On-Topic Posts <cct...@classiccmp.org> > Subject: Re: EAI TR-10 Patch Plugs > > On Sat, Dec 19, 2015 at 7:05 PM, Pete Turnbull <p...@dunnington.plus.com> > wrote: > > > On 19/12/2015 20:41, Dave Wade wrote: > > > >> 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? > >> > > > > Are you trying to screw them into a tube? Could you instead push them > > in and then fill the tube with epoxy or potting compound through a > > hole in the side?
I think this type of solution is the way its going but its not very neat compared with the ones in the link below. I was actually trying to use the sleeve that came with the plug and then push the socket in the end. > > > > Could you make the tube in two short lengths, with a left-hand thread > > between them; screw the plug into one part and then screw the socket > > into the other while also screwing the two parts of the tube together? > > I think I might manage using a longer tube and flexible hook up wire. > > Could you use a split (lengthways) tube, solder the resistor to the > > plug and socket, and fit the tube on with epoxy? > > That would work... > > Or if it doesn't need to be absolutely rigid, mould some Sugru round > > the parts instead of using the tube? > > Rigid is best as you need to fit a plug in the end and then plug it into the patch panel.. > > -- > > Pete > > > > > Bottom of this page? > http://www.analogmuseum.org/english/collection/eai/tr10/ Those are the thing. How on earth are those made? Some kind of contact so its clamped together not soldered... > > I may not follow your meaning here. Can't you just leave patch connections > loose as long as the ends of connection is secure? My Donner 3500 for > example has required improvisation. > > http://vintagecomputer.net/donner/Donner-3500_voltage-test-plugs.JPG > -- The TR-10 has no input resistors in its OP Amps. You need to put them in the ends of the cables as needed. It’s a cludge but it makes converting an op amp to an integrator simpler... > Bill Dave
