CADENCE 6x9 600w COMPETITION 3 WAY SPEAKERS they WEIGH 25 pounds crazy stuff!!!!!

they are 25 lbs they say but I cant see it with just a 70oz magnet which equates to about 4.5lbs

But back in the 80's PYLE made a set of 6x9s which I owned

that were made in the USA when PYLE was actually worth owning

and they too also came with 70oz magnets - the were coaxles and handled

about 100 watts per speaker - beefy muthas back then and very loud

I love old school stuff like this.....

 
I can't see those being particularly loud. At 25lbs they are a marketing ploy and nothing else. Probably a heavy cone, even with a beefy motor, it's only going to be so effecient. Combine that with a 150watt rms and I don't think they'll get loud. I can't find t/s but they are probably just another 88.xdb/1/m car audio driver that they decided to overmotor for the heck of it.

With midrange drivers and tweets you can get a pretty accurate estimate of max spl. Take rated the rated effeciency of the driver (measured at 1k usually, which is why is part of why it matters for components), then add 3db's for every time you double the power up to it's rms. Meaning a 90db/1/m speaker with 150rms theoretically has a output limit of 111db's. Power compression will knock this down a bit, probably 108-109 would be more realistic. Xmax won't come into play here as the drivers thermal limits will be it's limiting factor.

Anyway, moral of the story, if you want loud go for something effecient. Power compression wont' kick you in the *** and you'll need smaller amps, less distortion, etc. To put it into perspective, the midranges in my car are a true 100db's effecient, meaning they are as loud as that component set I mentioned above with only 16 watts or so, hu power! My horns hit that spl with only 2 watts of power, give or take a little bit...

 
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