JBL SCS125A System "check amp blown" Questions

...amp and check sub to another amp to isolate speaker from internal amp. Either the amp blew a channel or subwoofer blew. JBL's are typically well built. Has this speaker often been pushed loud

...check with the amp unplugged (unbolt the amp from the woofer, noting all gaskets.) If it's blown, it could have fatigued so just replacing it would fix it, or it may have blown because the amp or ...

...the fuse(with the proper one) turned the unit on and it blown another fuse. What can cause this???? Shorted amp or blown speaker. Other things could also cause it. But there is a short circuit in

...amp, but none appear blown. Are there additional fuses under the input board I should check? My guess from my trouble shooting thus far is I have an input problem... perhaps a blown fuse if there is ...

...and solve the problem ? Sounds like a dead amp. You could check the xformer output and the amp IC's with a VOM. These amps do not cost a lot, about $40.00. and are easy to replace. Contact ...

ps-1200-A sub woofer will not power up Probably a blown fuse. If there's not one on the face of the amp, pull the amp and check for one next to the power cable.

...check each tweeter with an ohm meter for continuity it will show if the tweeters are working, in which case the amp is the problem. if the meter shows that the tweeters are blown, you should still ...

...then its easy to check, problems are, blown fuse, power amp IC output transistor may be blown, check for burnt componenets. changing and blowing a fuse means ur output IC or transistors are

...blown. This is likely due to a problem with the amplifier. You may have turned up the amp to the point of overdriving the speaker. The distortion at these high levels cause clipping and turn what was ...

...the amp hooked up and off. Turn the amp on with the volume set to minimum and check for any voltage at the speakers. you should have no DC voltage (less than .1 volt) at the speakers. hope this ...