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Old 3rd December 2012, 09:50 PM   #1
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Join Date: Dec 2012
Default Cerwin Vega Problems

Hi All
First post here, I hope someone can help.
I have DJ'ed for the past 3 gigs with a set of Cerwin Vega prostax PSX-153's and PSX-36 subs, all run from a cheap Ibiza amp.
Using a new Behringer ep2500 amp this weekend, after a 30sec HALF POWER test and a long, long smile over the amazing sound quality, my bubble burst when suddenly all I'm left with is the bass drivers from both cabs. (continued the night with two tweeter boxes added to the 153's and disconnected the 36's) phew!!!
Strip down today of the 153's revealed they had crossovers from Cerwin V 152 range and with these being just two way, the midrange wasn't even connected, (cant believe I never noticed it with the last 3 gigs)
I guess that I've blown something in the x-overs with the initial test.
My problem is:
Firstly, I'm a complete novice to loudspeakers.
It seems that the 3 way (and infact, even these wrong 2 way x-overs) are obsolete, as is the prostax speakers themselves.
1. Is there an alternative 3 way crossover I can buy to match these speakers?
2. Where can I purchase them?
2. Can i test the midrange and tweeter drivers are OK before buying any new x-overs etc?
Here's hoping for a reply Wasp... UK
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Old 9th December 2012, 11:06 PM   #2
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Join Date: Dec 2012
Default Carwin Vega Prostax

Hi All
Have I posted this question to the wrong section of this forum? Seems to be the only question unanswered!!
Really do need to resolve this problem ASAP.
Cheers
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Old 10th December 2012, 12:10 AM   #3
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Join Date: Feb 2002
Location: Western Sydney
re: "Can i test the midrange and tweeter drivers are OK " - yes, if you know how to use a multimeter, or even connecting a 1.5v battery across the driver breifly will give a click which is a good sign...
re:"I guess that I've blown something in the x-overs" - you haven't provided enough info for anyone to come to that conclusion
do you have schematics, diagrams, pics of the sus xovers? any parts obviously burnt out or smell funny? (you need to test the drivers for continuity first)
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Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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