Hypex Plate Amp faults. |
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Shortrope
Young Croc Joined: 08 July 2013 Location: Ireland Status: Offline Points: 1232 |
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Posted: 04 November 2019 at 2:15pm |
I've been having ongoing problems with the power supply failing on some FA502 plate Amps from Hypex.
So far three out of four purchased have failed. What's happening is the power supply coil is failing where it is soldered to the PCB. Hypex have repaired them and then glued or cable tied the coil to the board. The thing is I've incurred a lot of expense replacing these faulty units and I've been trying to get Hypex to take some responsibility for the failures. Their stance is the product is not faulty, it's only happening to me and that they glued the coils on after the event as they thought I maybe using their product in a hostile environment (they're in a large stationary permanently installed Speaker enclosure.) My question to anyone who may know is is it standard practice to rely solely on the solder joint of a heavy coil to keep it attached to the PCB in a plate Amp that is designed to be used in an active Speaker cabinet? Thanks in advance!
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My Tinnitus is coming along nicely!!
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RobinMatrix
Young Croc Joined: 23 August 2013 Location: Kidderminster Status: Offline Points: 567 |
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I can only mention my experience from building crossovers. In general, a speaker cabinet IS a hostile enviroment. It shakes and vibrates, but, that is waht you expect and the design intent of a plate amp surely, so yes, it should be built in such a way as to survive when used as intended. With crossover inductors, I always fix the bobbin to the PCB with a rivet (obviously, an all aluminum rived, with an aluminium pull stud) as we have found the bobbins even if glued do not stay fixed and solder alone will soon fail if the bobbin fixture fails. The output inductors in similar plate amps (the ones used in RCF/D&B come to mind) have a special plastic bracket screwed to the board, that pokes through the inductors and the inductors are fixed to that with spooge, glue, hotmelt whatever ... certainly not just the wire and solder. |
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Matrix Pro Audio ::http://matrixproaudio.com/"
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Earplug
Old Croc Joined: 03 January 2012 Location: Europe Status: Offline Points: 7199 |
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Yes - most (reputable) manufacturers will do more than just rely on solder to hold the heavier components on anything that will go into a speaker cabinet. On passive crossovers, the better made coils will have flanges that can be riveted to the board. Likewise the high power alu-clad resistors, etc. It does sound like Hypex are just messing you around, but trying to get any sort of compensation may be difficult and/or expensive, ie using a lawyer. You are really just relying on the good will of the supplier to keep you as a customer. |
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Earplugs Are For Wimps!
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Shortrope
Young Croc Joined: 08 July 2013 Location: Ireland Status: Offline Points: 1232 |
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Thanks a mill lads, you’re confirming what I thought.
Unfortunately Hypex are not being very cooperative. |
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My Tinnitus is coming along nicely!!
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Daniel S
Registered User Joined: 08 January 2013 Location: Sweden Status: Offline Points: 160 |
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Basically any manufacturer will only cover their own product under warranty. No other costs for other damaged items or increased costs. That's usually in the fine print.
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Distortion is evil
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JonB67
Young Croc Joined: 22 April 2016 Location: UK Status: Offline Points: 1376 |
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Doubt you'll get very far trying to get reimbursement for your time or incurred costs.
In a way the product isnt faulty, its just not good enough quality or robust enough for even a low stress professional application. In my opinion the trouble of hypex affixing them properly in the first place is better than getting negative advertising like this which come up when people search for hypex amplifier reviews, hypex plate amp quality, are hypex amps any good etc.
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vertx
Young Croc Joined: 14 March 2012 Location: Sydney Status: Offline Points: 578 |
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I've got 8 Hypex Fusion Amps out and around in cabs (FA122, FA123, FA251). Had 3 failures with the first lot, but they were within the first 15mins of using them, one DSP module, two amp modules. Hypex replaced all without much back and forth and let me keep a spare amp module for a FA251 they accidentally sent me.
They raised their prices a few months back so I hope they raised the QC. Last 4 modules I have put into cabs have had no issues, but then again they mostly in studio monitors and small DJ monitors in small spaces like records stores.
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Bams
Young Croc Joined: 08 April 2009 Status: Offline Points: 622 |
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It might be an idea to fall back on the datasheets. as far as i know the fusion is based on Ncore technology which mentions professional use as an application.
Applications
• Monitor loudspeakers for
recording and mastering
studios
• Audiophile power amplifiers
for professional and
consumer use.
• Public address systems
• Active loudspeakers this would contradict a hostile environment.
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