Best front headset jack location for a 1955?

[BrianW]

My 170B always had a portable intercom, and is an upgrade to a trig 96A radio/intercom. Looking for the preferred location to put the front headset jacks. I've noticed on the piano key models, they are usually in the upper right/left of the panel. Where do people usually put them for the 1955 panel ?

[GAHorn]

The IPC shows the Headset jack to be at the extreme left/right of the stationary panel (see item 2). My (‘53 model) headset jacks on the left are both (mic and ph) there placed adjacent/vertically…and on the right they are installed in a blank inst hole (not what I would have done but what the previous owner did and I’ve been too lazy to change it.)

The sidewall upholstery can make it a “tight” installation…but it’s do-able, and if you leave your headsets in the airplane shouldn’t pose a problem.

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[BrianW]

thanks.. where does your PTT switch wire in? Do you have a separate jack for the yoke switch or is it hard-wired to the audio panel? I'm thinking I'll just wire up a 3rd jack under the panel to plug in the pilot PTT switch instead of some portable PTT in the mic jack.

[GAHorn]

My PTT is a Telex PT-300 “piggyback” so no addt’l wiring was necessary.

https://www.aircraftspruce.com/catalog/ ... witch1.php