[Milsurplus] Question on H-203/U soundpowered phones

[Nick England]

Chapter 6 (pdf page 121) of the IC Electrician training manual covers the
H-203, switchboards used for sound-powered circuits, and the call-bell
system.
https://www.navy-radio.com/manuals/IC32-10558-1966.pdf

Cheers,
Nick England K4NYW
www.navy-radio.com


On Fri, Jan 21, 2022 at 6:41 PM Hubert Miller <Kargo_cult at msn.com> wrote:

> I have a couple H-203/U soundpowered phones I think I am going to put on
> the auction site.
> I considered taking the UA1614-1 elements out, for use as crystal radio
> headphones, but I think I actually prefer the vintage piezo headphones. I
> looked at Ebay and I see some H-203/U have sold, not for big money, but for
> around maybe $25+. This has me wondering: why would someone actually buy
> such a thing, I mean other than for the elements? Just as a toy? I also
> noticed when testing them, the push-talk button on BOTH phones have to be
> pushed to allow communication between the two. Buttons on both, not just
> the transmitting one. That seems really inconvenient, altho I suppose in a
> multi-phone hookup, you wouldn't want to waste the limited audio power to
> not - involved stations. But was there another ringing circuit ?
> Otherwise you'd have to have a time schedule for when to press.
> -Hue Miller
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