Has anybody installed a P/A speaker on their 790? Just wondering what kind of speakers you guys are using.
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tk790 public address help
- Thread starter rectanglehead808
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code3cowboy
Member
Most people use a normal siren speaker.
At 13W audio out, no need to go that HD.
code3cowboy
Member
Siren speakers are designed to be mounted outside vehicles and deal with all of the hazards to electronics out there. Most sirens are set to 58w to save wear and tear on the equipment while most speakers are rated at 100w.
Siren speakers are indeed built well, however the TK-790 is not a siren unit. The SPL of siren speakers begin to fall off rapidly below 50 watts and using them on a two way as a PA speaker is mediocre at best. The Speco speaker shown is rated at 15 watts and the 790 will drive it efficiently. Sure they are more flimsy, but mount them behind the grill and they'll be safe. Waterproof too to take the rain.
You can spend $150 plus for a siren speaker, Specos are less than forty bucks.
You can spend $150 plus for a siren speaker, Specos are less than forty bucks.
code3cowboy
Member
Most comm shops have a shelf or pile of used speakers that are perfect for this application. The horn is large and will fit behind one of the grills of the vehicles we field. I put a pair of MS100s on a rescue years ago and they are holding up just fine.
In your defence, caltrans and UPRR both use the Speco and it works wonderfully.
In your defence, caltrans and UPRR both use the Speco and it works wonderfully.
thanks ramal121 and code3cowboy.
When I worked years ago on Caltrans, the state spec was for Atlas speakers and they did not want any substitutes. Glad not to honor comm 213 anymore...
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