St Clair Pa diaphones

A forum to facilitate discussion amongst Gamewell Diaphone (Fire Horn type Diaphone) enthusiasts.

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pfdladder51
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Location: Pottsville, Pa

St Clair Pa diaphones

Post by pfdladder51 » Mon Jan 09, 2017 8:45 pm

Nice video on Alert/Columbia St Clair Pa facebook-full noon test. Sound good. They are also being used more-Box 33 used for all full department calls. Can hear them in Pottsville on clear nights. :)

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gareee
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Re: St Clair Pa diaphones

Post by gareee » Tue Jan 10, 2017 11:03 pm

I still say only 1 horn is blowing. If both were blowing and on the same pitch, you would get a warble sound and of course if the 2nd. horn was at a different pitch , you would clearly hear it. ( 2 tone). I would have loved to hear them when they were first installed.

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