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PA Speaker Service Recommendations

 
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Redlich
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Joined: Jul 02, 2006
Posts: 494

PostPosted: Mon Dec 04, 2017 8:51 am    Post subject: PA Speaker Service Recommendations Reply with quote

Hi guys, just wondering if anyone could recommend someone in Melbourne (East, South East, or CBD) who services PA speakers?

I play cover gigs and run my own PA, mainly at small venues for weddings etc. and one of my speakers has developed a buzz lately. It's not buzzing all the time, but when it is it's pretty obvious.

The only thing I could think to check (with no knowledge of this stuff) was to open it up and see if a speaker was blown. I opened it last night and there was nothing obvious, which made me think it's most likely something to do with wiring, so I just gave it a bit of a vaccum in case it was just dirty.

I'll use the PA again this weekend and see if the problem occurs again. If anyone could recommend someone suitable to look at it though i'd be very appreciatve. Here's what the speaker looks like:

https://www.google.com.au/imgres?imgurl=http%3A%2F%2Fwww.pssl.com%2Fimages%2FProdImage02%2F1500%2FTAPCO-TH-15A.jpg&imgrefurl=http%3A%2F%2Fwww.pssl.com%2FTapco-Thump-TH-15A-15In-2-Way-Pwrd-Sr-Speaker&docid=CetmZbBKF4rJTM&tbnid=j_zgz_fjIOe5NM%3A&vet=10ahUKEwij0NOK5u7XAhXHVrwKHQfaBQs4ZBAzCBEoDjAO..i&w=1017&h=1500&client=firefox-b&bih=726&biw=1472&q=mackie%20thump%20pa%20speaker&ved=0ahUKEwij0NOK5u7XAhXHVrwKHQfaBQs4ZBAzCBEoDjAO&iact=mrc&uact=8

https://www.google.com.au/imgres?imgurl=https%3A%2F%2Fwww.thomann.de%2Fpics%2Fbdb%2F336438%2F8664617_800.jpg&imgrefurl=https%3A%2F%2Fwww.thomann.de%2Fgb%2Fmackie_thump_12.htm&docid=FoX0w6n_YDMqiM&tbnid=xuhpNQ-1Fvm3kM%3A&vet=10ahUKEwij0NOK5u7XAhXHVrwKHQfaBQs4ZBAzCBAoDTAN..i&w=360&h=600&client=firefox-b&bih=726&biw=1472&q=mackie%20thump%20pa%20speaker&ved=0ahUKEwij0NOK5u7XAhXHVrwKHQfaBQs4ZBAzCBAoDTAN&iact=mrc&uact=8
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davel176
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Joined: Jan 06, 2012
Posts: 26

PostPosted: Mon Dec 04, 2017 6:11 pm    Post subject: Reply with quote

Hi, with the power to the speaker turned off, push the speaker in gently and evenly, with fingers spread evenly around the cone, not too far and let it spring out again, if you hear or feel any scraping action the speaker is toast, if it moves easily with no friction the problem is in the power amp section.
good luck!
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GeoffMison
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Joined: Apr 18, 2004
Posts: 7451
Location: Melbourne, Australia

PostPosted: Mon Dec 04, 2017 6:42 pm    Post subject: Reply with quote

Buzz or crackles usually results from leaky capacitors or dry solder joints.
We offer a repair and service of this type of equipment. You can drop it in at any time.
Pony Music in Hallam.
www.ponymusic.com.au
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Redlich
Rehearsing
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Joined: Jul 02, 2006
Posts: 494

PostPosted: Tue Dec 05, 2017 8:56 am    Post subject: Reply with quote

davel176 wrote:
Hi, with the power to the speaker turned off, push the speaker in gently and evenly, with fingers spread evenly around the cone, not too far and let it spring out again, if you hear or feel any scraping action the speaker is toast, if it moves easily with no friction the problem is in the power amp section.
good luck!


Thanks mate, much appreciated. I don't know if i'm game enough to try this as i'm a bit of a clutz and wouldn't be surprised if I cause further damage. I think i'll try Pony
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Redlich
Rehearsing
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Joined: Jul 02, 2006
Posts: 494

PostPosted: Tue Dec 05, 2017 8:56 am    Post subject: Reply with quote

GeoffMison wrote:
Buzz or crackles usually results from leaky capacitors or dry solder joints.
We offer a repair and service of this type of equipment. You can drop it in at any time.
Pony Music in Hallam.
www.ponymusic.com.au


Thanks Geoff, i'll give you a call and work out a suitable time.
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davel176
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Joined: Jan 06, 2012
Posts: 26

PostPosted: Tue Dec 05, 2017 3:52 pm    Post subject: Reply with quote

it's not that hard, as long as you can get the grille off.
I was also wondering if the speaker is always plugged into the same mixer output all the time and whether you have tried using a different signal lead?
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