Speed Posted February 13, 2014 Posted February 13, 2014 I took my K 55 V out of my LaScala's. The next day I went to work and picked up this police car siren. I unscrewed it from it's horn and noticed it is virtually identical !!! K-55 on the left... Quote
tigerwoodKhorns Posted February 13, 2014 Posted February 13, 2014 Interesting but I think that it is more impressive that you were able to remove the police siren without getting caught. Bravo! 3 Quote
muel Posted February 13, 2014 Posted February 13, 2014 Barney couldn't get his bullet out in time. Quote
Don Richard Posted February 13, 2014 Posted February 13, 2014 (edited) That looks like an Atlas PD4, similar to but not the same as a PD5V. Edited February 13, 2014 by Don Richard Quote
djk Posted February 13, 2014 Posted February 13, 2014 (edited) "That looks like an Atlas PD4, similar to but not the same as a PD5V." A PD4V does not have screws on the top (it has pins pressed in from the side), that is an SD-70 (siren driver), they are horrible for audio (compared to a PD5V). The SD-70 magnet is a bit thicker, and there is a screw hole on the back. http://www.ebay.com/itm/like/331124274459?lpid=82 Edited February 14, 2014 by djk Quote
Schu Posted February 13, 2014 Posted February 13, 2014 that is really interesting... thank you for sharing!!! Quote
Guest " " Posted February 18, 2014 Posted February 18, 2014 there are a bunch of look alikes....some have a threaded hole in the magnet...some have thicker magenets....aome have 100W power handling, some have 60 wattspower handling...some are 4 ohms..some are 16.....some wil shift the crossover point...some have poor response curves. Quote
minermark Posted February 18, 2014 Posted February 18, 2014 K-55 V.jpgSiren.jpg I took my K 55 V out of my LaScala's. The next day I went to work and picked up this police car siren. I unscrewed it from it's horn and noticed it is virtually identical !!! K-55 on the left... Diaphram is different but you are indeed correct it is the same maker, a horn driver is a horn driver, the siren is just built for very high wattage, around 100 would be normal. Quote
Islander Posted February 19, 2014 Posted February 19, 2014 I wonder what the new police bass drivers look like? I think they're called "The Rumbler", and the idea is that the lower-pitched tone is more likely to be audible in a car with the stereo playing loud and the windows rolled up. Our local police department got them a few years ago and it was mentioned in the news at the time. 1 Quote
Islander Posted February 19, 2014 Posted February 19, 2014 K-55 V.jpgSiren.jpg I took my K 55 V out of my LaScala's. The next day I went to work and picked up this police car siren. I unscrewed it from it's horn and noticed it is virtually identical !!! K-55 on the left... Did the police horn look at all like a K400? 1 Quote
minermark Posted February 19, 2014 Posted February 19, 2014 Back in the day I built a Heathkit electronic siren w/dash/PA control set. including Mic. 110 watts Whail/Yelp all the normal sounds, but what I remember was the Driver/reflector assembly Req no assembly, Huge driver magnet. Ya know, I think iv still got that thing in a box in the attic. Quote
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