warnock@hubcap.UUCP (Todd Warnock) (11/09/87)
Does anyone know where I can find a supplier for the smaller jacks used as microphone jacks in avionics ? The headphone jacks are 1/4", but I'm not sure what the mic jacks are or where to find them - Thanks for the help. Todd Warnock UUCP: ...hubcap!warnock ARPA: warnock@prism.clemson.edu BITnet: Warnock@Clemson
dick@plx.UUCP (Dick Flanagan) (11/09/87)
Summary: Expires: Sender: Followup-To: In article <633@hubcap.UUCP> warnock@hubcap.UUCP (Todd Warnock) writes: >Does anyone know where I can find a supplier for the smaller jacks >used as microphone jacks in avionics ? The headphone jacks are 1/4", >but I'm not sure what the mic jacks are or where to find them - Look for stores that sell to the electronics hobby crowd, such as Amateur (ham) or CB radio supplies. They are a stock item that should be very easy to find. -- Dick Flanagan, W6OLD I'll take a drug test when UUCP: ...!ucbvax!sun!plx!dick Reagan takes an IQ test. GEnie: FLANAGAN
georgep@vice.TEK.COM (George Pell) (11/11/87)
In article <864@plx.UUCP>, dick@plx.UUCP (Dick Flanagan) writes: > In article <633@hubcap.UUCP> warnock@hubcap.UUCP (Todd Warnock) writes: > >Does anyone know where I can find a supplier for the smaller jacks > >used as microphone jacks in avionics ? The headphone jacks are 1/4", > >but I'm not sure what the mic jacks are or where to find them - > Look for stores that sell to the electronics hobby crowd, such as > Amateur (ham) or CB radio supplies. They are a stock item that should > be very easy to find. The mike jack is not the garden variety phone jack everyone is used to and is not typically found in electronic supply stores. They were originally intended for military use, and can sometimes be found in in surplus stores. A ready source is your local avionics shop, San Val, or Sportys. geo (not gEO)
bruce@dciem.UUCP (Bruce Ferguson) (11/13/87)
Try a large electronics supplier. The manufacturer is "Switchcraft", and the part # is " S-260". I've been down this route myself. The earphone plug is .250 in. and the dam mike plug is .206 in. How this came to be, we probably don't want to know. Try, Electrosonic,Zentronics, Newport, Future etc.
dave@zehntel.UUCP (Dave Funk) (11/14/87)
Aw, c'mon guys! Microphone jacks/plugs can be found in any Radio Shack! Not that you would necessarily want to buy it there.... And no, I don't mean phone jacks/plugs (although they have those too). Mic plugs have a slightly smaller diameter and have more conductors than phone jacks. -- Dave Funk ....!ucbvax!zehntel!dave Zehntel, Inc. ....!decvax!sytek!zehntel!dave 2625 Shadelands Drive ...."zehntel!dave"@BERKELEY Walnut Creek, CA 94598 (415) 932-6900 x309
larson@sri-unix.ARPA (Alan Larson) (11/14/87)
In article <2047@vice.TEK.COM> georgep@vice.TEK.COM (George Pell) writes: +In article <864@plx.UUCP>, dick@plx.UUCP (Dick Flanagan) writes: +> In article <633@hubcap.UUCP> warnock@hubcap.UUCP (Todd Warnock) writes: +> >Does anyone know where I can find a supplier for the smaller jacks +> >used as microphone jacks in avionics ? The headphone jacks are 1/4", +> >but I'm not sure what the mic jacks are or where to find them - +> Look for stores that sell to the electronics hobby crowd, such as +> Amateur (ham) or CB radio supplies. They are a stock item that should +> be very easy to find. +The mike jack is not the garden variety phone jack everyone is used to +and is not typically found in electronic supply stores. They were +originally intended for military use, and can sometimes be found in +in surplus stores. A ready source is your local avionics shop, San Val, +or Sportys. Only partly right. It is a PJ-068 (or some such), and can be had from most any well equipped amateur radio supplier. It is used on some of the older Collins equipment for mike input. Radio Shack will probably not have it. By the way, beware the brass ones and some of the cheaper chrome plated ones, the surface corrodes (or wears) and the connection can become poor (or noisy). (Why is the tower telling me that radio is unreadable?) Alan, wa6azp
dralle@lll-lcc.aRpA (Sir Matthew G. Dralle) (11/17/87)
The place to get the microphone jacks is Aircraft Spruce And Speciality Co. They are listed in they're catalog. Price? Get this, about $1.99 as I recall. If you would like the address, stock #, phone #, or what ever, drop me a line. Matt Dralle <dralle@lll-lcc.arpa>
f@alliant.UUCP (11/18/87)
> Aw, c'mon guys! Microphone jacks/plugs can be found in any Radio Shack! ...
Gee. I know of about a dozen Radio Shacks that don't have them.
--
...!{decvax!linus,mit-eddie}!alliant!f Bill Freeman
alliant!f@eddie.mit.edu KE1G @ WB1DSW
19.6 hrs dual so far. Trying hard not to fold up my model helicopter again.dave@onfcanim.UUCP (11/22/87)
No, you can't buy *aviation* mike plugs and jacks at Radio Shack, at least not any Radio Shack I've seen. Standard phone plugs/jacks, regardless of the number of conductors, are intended for plugs with a nominal diameter of .25 inches. Aviation mike plugs are .206 diameter, with the jacks being .210. The relevant Switchcraft part numbers are: S-260 3-conductor plug; standard quality (like you see on Telex headsets) S-230 right-angle 3-conductor plug; otherwise similar to S-260 480 3-conductor military-type plug (military designation PJ-068). This one is several times the price of the S-260, but its body and contacts are machined out of solid brass - this is what David Clark headsets use. S-12B panel-mount 3-conductor jack S-13B same as above, but with additonal contact that connects to the "tip" circuit when a plug is not present. C-12B military version of S-12B; the only difference listed in my catalog is that C-12B has an indexing pin to prevent rotation in the panel S-830 in-line 3-conductor jack (as you would use in an extension cable) Note that the S-260 and 480 jacks differ in the diameter of the "ring" contact - it is the same diameter as the barrel in the S-260 but smaller in the 480. You have to make sure that the mating contact in the jack is bent in sufficiently to make proper contact with the recessed ring of a 480. Otherwise, you'll have a jack that works properly with a Telex headset but poorly or not at all with a David Clark. In Canada, the only place I've found that carries them is Electro Sonic in Toronto. Of course, you local avionics shop will likely also have some.