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PA-20A Siren

This forum is dedicated to helping people with questions about installing radio equipment in vehicles. This can include antenna installs, electrical wiring questions/problems, and mounting systems. Pictures of installs are welcome.

Note: Discussions regarding lighting, sirens, and other equipment now has its own forum in the 'off-topic' section below.

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SOC
Posts: 233
Joined: Tue Mar 26, 2002 4:00 pm
What radios do you own?: GP300,HT1000, GM300, MT1000,
Location: Wheelersburg, Ohio
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PA-20A Siren

Postby SOC » Sat May 08, 2004 7:51 pm

Anyone know were i can get a diagram on the Federal Sign And Signal PA-20A siren,or does anyone know anything about them, like what pins on the back go to what or what the **** the switch on the inside is for?

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jackhackett
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Postby jackhackett » Sat May 08, 2004 11:06 pm

I believe it's a power level switch, not positive though.. if no one else comes up with anything by Monday I think I can look up the pinout for you then.

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jackhackett
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Postby jackhackett » Mon May 10, 2004 8:58 am

Ok, the slide switch is to select what type of PA microphone you use, it should be marked "M" for magnetic/dynamic and "C" for carbon/transistorized.

It says it will do 75 watts into an 11 ohm speaker, or 100 watts or more into two such speakers in parallel.

Connections are:

Pin 1 - +12Volts
Pin 2 - Ground
Pin 4 - Footswitch/horn relay
Pin 5 - Speaker
Pin 6 - Speaker

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FFParamedic571
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Postby FFParamedic571 » Mon May 10, 2004 2:39 pm

here is the whole manual on PDF file



http://www.fedsig.com/web/FedSig/FSDC.n ... 55A112.pdf


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