Question about JBL MRX515 15" 2-Way Loudspeaker Main / Stereo Speaker

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The horn in my jbl mrx 500 is toasted, what part is that and howbad to get in?

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You can either buy a replacement diapham for about $75, or buy the unit for about $150 to $250, It is not that difficult to replace the diaphram, just dont aloud the magnet to become off center in other words handle with care.

Posted on Jan 16, 2010

  • rockd41 Dec 11, 2010

    Mine are toasted also is there a problem with the factory I am only using a QSC 1550 on them

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Posted on Jan 02, 2017

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Jbl eon 1500 horn tests good 3.9 to 4.2 dc restance but will not work


You have probably blown a light bulb in the SonicGuard circuit. You will have to take the cabinet apart to check it.

Jan 05, 2015 | JBL Audio Players & Recorders

1 Answer

Can a Alpine X-power mrx-m100 mono powered amp push 2 15" jbl subwoofers model gto1514d???


I have installed car audio equipment for over 40 years on end off. End can see you don,t have the slightest clue what in the hell your doing, Speaker wire doe,s not have to do with it cuting out, It is because of the way you hooked your subs up, That no one can explain to guys like you in writeing,How to do it properly, Number 1, That amp is 2( OHM) Stable, You should be useing 2 (OHM) subs on it,Not 4 (OHM) subs, Take it to some one that no what in the (Hell) There doing (Before) you fry your amp.

Oct 20, 2012 | Alpine X-Power MRX-M100 Amplifier

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No more subs in jbl prx-512m


First check the speaker with a multimeter.

If it is OK, then check/repair the Class D amp that drives the speaker,

up to the input stage.


There are board part numbers printed on the PCB and some are

available on line.

Have a tech to guide you ,should you feel to Diy.

Oct 17, 2012 | JBL New Jbl Prx512m 12 Powered Monitor...

1 Answer

No more subs in jbl prx-512m


Pull the input plate off of the back, there are usually light bulbs in there that act as fuses

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1 Answer

I have two JBL MRX 515 speakers at 8 ohnms and two behringer bins at 300 watts 4 ohms running off a behringer EP4000 amp, would this be ok ? and not casue any damage to the speakers


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Behringer-EP4000-Amps-manual/id/23591dj795/t/2/

http://www.raltron.com/cust/tools/parallel_resistance.asp

It's ohm's law, dude. 1/a + 1/b = 1/total. One each 8- and 4-ohm speaker in parallel per channel would be 2.7 ohms (nominal). So it will work in theory.

How you manage the potential difference in volume between dissimilar speakers on the same amp channel is a mystery.

Distortion will kill any speaker, not power. Stay within the amp's usable range.

Jun 23, 2011 | JBL MRX515 15" 2-Way Loudspeaker Main /...

1 Answer

I got a jbl sub 136 200 watts subwoofer , thinking about repairing so i put new speaker in still messed up , looks like circuit board may be toast , is it worth repairing and where can i get parts


Have you checked the Impedence of the old speaker. If you can measure to below 8ohms you need not replace the speaker. Check with proper LFe signal at input of your amp. Also check for power indications before going further.

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4 Answers

Damaged JBL Eon15 Tweeter


you can probably by a generic type of motherboard from a shop like JAYCAR lookem up on the net ]

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