hassles with 15" PA speaker

Dan2 · 15th April 2009, 02:31 PM

our church has 2 warfedale pro speakers, can't recall the name of the amp at the moment. the fuse for the tweeter on one speaker keeps blowing, and not so long ago, the output transistors on the amp went and took one speaker with it! which we had repaired.

i don't understand why there has always been problems with only that channel, the other channel and speaker have worked fine, never giving any problems.

is there anything i can check???

Cal Weldon · 15th April 2009, 02:56 PM

Dan, I've moved this over to solid state as it seems to be a question about your amp, not the speaker.

megajocke · 15th April 2009, 04:27 PM

It could be a problem with the amp, but it could also be feedback causing oscillation at some supersonic frequency. Either through a microphone or through a induction loop for hearing aids. Do you have one of those? They tend to induce signals where you don't want them too

Dan2 · 17th April 2009, 07:35 AM

thanks Cal

if it was feedback, how come it only blows the fuse on one speaker???

also, being a church, we do have some older folk who may do some damage in the mornings

gain-wire · 22nd April 2009, 02:51 AM

some older folk who may do some damage in the mornings

LMAO!!
(in grampa's voice)
"hey what say you we go bust some output drivers and drive the tech out of his mind?"

Dan2 · 28th April 2009, 02:10 PM

more like..... " hey, the faders are up full but i still can't hear you"
" oh wait, the mike is off, let me turn it on quick"

......i will let u imagine the rest

15th April 2009, 02:31 PM	#1
Dan2 diyAudio Member Join Date: Sep 2005	hassles with 15" PA speaker our church has 2 warfedale pro speakers, can't recall the name of the amp at the moment. the fuse for the tweeter on one speaker keeps blowing, and not so long ago, the output transistors on the amp went and took one speaker with it! which we had repaired. i don't understand why there has always been problems with only that channel, the other channel and speaker have worked fine, never giving any problems. is there anything i can check???

15th April 2009, 02:56 PM	#2
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	Dan, I've moved this over to solid state as it seems to be a question about your amp, not the speaker. __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

22nd April 2009, 02:51 AM	#5
gain-wire diyAudio Member Join Date: Nov 2004 Location: NCR	some older folk who may do some damage in the mornings LMAO!! (in grampa's voice) "hey what say you we go bust some output drivers and drive the tech out of his mind?" __________________ Trans-directional-servo-logamp non-zerocrossing autogain compressing thingamajig

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15th April 2009, 04:27 PM	#3
megajocke diyAudio Member Join Date: Jan 2003 Location: Solna	It could be a problem with the amp, but it could also be feedback causing oscillation at some supersonic frequency. Either through a microphone or through a induction loop for hearing aids. Do you have one of those? They tend to induce signals where you don't want them too

17th April 2009, 07:35 AM	#4
Dan2 diyAudio Member Join Date: Sep 2005	thanks Cal if it was feedback, how come it only blows the fuse on one speaker??? also, being a church, we do have some older folk who may do some damage in the mornings

28th April 2009, 02:10 PM	#6
Dan2 diyAudio Member Join Date: Sep 2005	more like..... " hey, the faders are up full but i still can't hear you" " oh wait, the mike is off, let me turn it on quick" ......i will let u imagine the rest

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