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JBL PRX 712 - Help! |
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sk760 
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Joined: 01 November 2017 Status: Offline Points: 5 |
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 Posted: 16 October 2023 at 5:08pm |
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Hi,
D504 what diode is? Is marked SK on body. Edited by sk760 - 16 October 2023 at 5:23pm |
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VECTORDJ
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Joined: 11 June 2006 Location: United States Status: Offline Points: 585 |
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Posted: 17 October 2023 at 1:02am |
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If Sound Guys would stop buying D-class than the Resellers would STOP selling it....D-class is non-repairable JUNK.....I have a large pile of Dead D-class Amps and Plate Amps with the local Metal Scrap Yard offering 8 Cents USD a pound....$8.00 per 100 Pounds Weight....
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Earplug
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Joined: 03 January 2012 Location: Europe Status: Offline Points: 7752 |
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Posted: 17 October 2023 at 7:18am |
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Haha, yes - you'd need a truck load of Class D blown amp modules to get anything from a scrap yard. They're far too light to be worth bothering...  A few weeks ago, a friend replaced a blown amp in one cab he had with one of these:- He was initially really chuffed at finding such a cheap replacement - and told me that it seemed to be great and sounded fine. It lasted about 2 gigs, then blew up.  The last powered cab I had here for repair was a Thomann thing. Amp module completely fooked. They wanted 200€ for a new module.  The owner agreed with me - just stick in a passive xover & use and external amp. It is still working fine several months in. The only powered cabs I have are a couple of old JBL EON15 G2's. Maybe 20 years old and still going strong. I don't see any of the modern stuff doing that. And definitely nothing as simple to repair as the EONs. |
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Earplugs Are For Wimps!
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kedwardsleisure
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Joined: 20 January 2009 Location: Staffordshire Status: Offline Points: 5157 |
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Posted: 17 October 2023 at 8:28am |
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Still got one here, I haven't heard from the client recently, he went very quiet when I told him the price of the replacement module and I hope he's alright..
amp internals |
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Kevin
North Staffordshire |
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Earplug
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Posted: 17 October 2023 at 8:52am |
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Offer him one of those Alibaba things!  |
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Earplugs Are For Wimps!
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kedwardsleisure
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Posted: 17 October 2023 at 5:06pm |
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Not sure he'd be impressed.
An icepower unit would be more suitable I suppose. |
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Kevin
North Staffordshire |
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Earplug
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Posted: 18 October 2023 at 6:39am |
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Yes, but those can be pretty pricey as well. No easy way out of the problem - other than turning the cab passive! |
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Earplugs Are For Wimps!
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sk760
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Posted: 24 October 2023 at 2:20pm |
Can help me someone ? Thanks.
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sk760
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Posted: 20 June 2024 at 1:39pm |
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[QUOTE=sk760][QUOTE=sk760]Hi,
D504 what diode is? Is marked SK on body. Its posible to be Zenner 27v
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sk760
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Posted: 20 June 2024 at 1:40pm |
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Hi,
D504 what diode is? Is marked SK on body. |
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sk760 wrote: