View Single Post
  #1   Report Post  
Posted to sci.electronics.repair
gareth magennis gareth magennis is offline
external usenet poster
 
Posts: 323
Default Speaker relay protection


Have a LEM powered sub for repair.

Speaker toast.
Amp blown/DC. (2 amps bridged for sub, one probably OK)
Relay shorted from amp to speaker.


Not sure of the chronological order of events here, but for sure the relay
did not do its job.

More of this arcing under fault conditions shenanigans I presume.




Gareth.