Question about Legacy 12 500 watt l series woofers, Price/Unit

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Crackling subs i have them a problem when i turn the bass and the volume up on my stereo they subs start making a crackling sound like they are blown if so how can i fix this problem.

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After crackling sound they stop and the light on overoald

Posted on Dec 30, 2013

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Sub started to crackle and now is not working


Sounds like you may have a blown (open) speaker. Remove the speaker and measure the DC resistance if you have a ohmmeter. Should read a little under the rated impedance (4 ohms). No ohmmeter handy? Touch a 9V battery across the speaker terminals, and you should hear a pop from the speaker. No pop then you have a bad speaker. Also the speaker should move freely when you push on it. Don't push the dust cover (the dome in the center) unless you like that dented look! If the speaker is indeed bad and you can't get an OEM (P/N: 363389-001) then an aftermarket speaker should (in most cases) work fine. Just make sure it is a 12", 4 ohms and rated at 250W RMS or greater. May actually be lower than 250W but better higher than lower. Good luck!

Apr 14, 2014 | JBL ES250P Subwoofer Speaker

1 Answer

My legacy 12 inch subs are making a crackling sound what can do?


Hi rodneybarton

The problem of your unit may be its amplifier. You need to open the box and inside of it, there is a component that attached on the heatsink you need to replace that one. or better send your unit to qualified technician.

Dec 29, 2013 | Jl Audio Car Audio & Video

1 Answer

1000 watt 2-channel Pyle PDGA240 Gear X Series


Make sure that the gain setting on the amp is turned up high enough on the sub's amp.

Aug 26, 2013 | Car Audio & Video

1 Answer

How do i calibrate my powered subwoofer for my car


OK assuming you are referring to after market sub and amp whether or not added to factory head unit (stereo). #1 start your engine, and have your amp adjusting knobs accessible #2 insert a CD of the most listened to type of music (Rock,rap,classic) #3 adjust your stereo volume to YOUR max preferred db level with your amp levels at the lowest settings possible #4 start by increasing your freq. rang by 2 bands at a time then the same with gain, once you have gotten your bass to the level you like with out distorting or popping try increasing your bass boost (if available) till your preferred sound(may need to back off gain and freq. add bass boost accordingly until you like what you hear.play around with it for a while make sure you do this at the peak volume in which YOU listen to music because if you do it at a low volume and then turn it up you can blow your equipment . side not 8''in is for very fast bass reps, 10''in is for average rock and 12''s 15''s 22''s are for your low long deep bass reps such as rap and R&B anything else just e-mail me

Jan 10, 2012 | Mazda MAZDA3 Cars & Trucks

1 Answer

I installed my eclipse and the only problem im having is when i have the truck key turned forward it sounds good except you cant hear my subs that well and when i start it and turn it up once i get to a...


First off, you need to disconnect your battery immediately.. The reason for the feed back is you have a hot wire touching ground somewhere....probably a large sub speaker cable.....What will happen is the power going from the amp to the speaker or from the head unit to the sub will come into contact with bare metal and feed that current back into the system through the isolated ground. This will either reduce sound, or when the power is high enough, turn from a low hum to a heavy crackle. now if it crackles with the bass, more than likely its in your sub/amp configuration....if its constant or completely random then it could be anywhere in the system. check for bare, broken, or exposed wire.
GOOD LUCK AND PLS RATE THIS POST!!!!

Mar 23, 2011 | Eclipse AVN5500 Car DVD Player

1 Answer

I have a wharfedale svp15 passive loudspeaker. The subwoofer has started crackling and popping at low volumes and has no deep bass. At high volumes it sounds great as usual and can't tell if the crackling...


Information I find online says it an Active Subwoofer, so that introduces its own amp as a possible source of the symptom. If there is another version of this model that's passive, all the more reason to believe the amp is the problem because passive speakers don't spontaneously emit sounds.

If there was a physical reason for the crackling I would think more power would make it worse or blow it up.

A poor sub signal cable connection might explain low current anomalies if random noises are entering the signal path.

Make sure the signal, speaker and power cables are not aligned parallel and close to each other.

Feb 26, 2010 | Audio Players & Recorders

1 Answer

I have a powered sub for my surround sound and every now and then its starts crackling and popping. i can make it stop by playing with the volume knob or even tapping it sometimes. my old sub did the same...


Does the crackling and popping sound comes only from the sub, or from the other speakers too? Try switching of to check. I think that it is problem on volume control potentiometer. In that case all the speakers must sound crackling and popping. If the problem is only in the sub you have to check its connections.


Stelios.

Feb 20, 2010 | Audio Players & Recorders

1 Answer

I have a few problems. i have 2 amps and 4 subs. first problem is when i connect one amp to my speakers it just hisses and crackles. this never happened before. when i turn up the gain to try and get...


The first amp, sounds like there is straight power going through the gain instead of it being limited. The second amp...hook the other subs up to it and see if it sounds ok. If so, then the subs are messed up. If it sounds the same, make sure the subs are connected correctly.

Oct 21, 2009 | Car Audio & Video

1 Answer

Alpine pdx 1.1000 amp


These subs are dual voice coil I'm sure...make sure they are putting a 2 ohm load on the amp total, and also set your gain and frequency setting right. Set the frequency around 85 or 90, make sure the lo pass filter is on. Turn the gain ALL the way down and turn your stereo to the point right before your speakers distort....then slowly increase the gain until the subs are playing at full volume. This should not even be close to all the way up, and the subs should sound accurate and bold. Turning them past this point will cause distortion, in which case you should back off the gain a bit. Distortion causes power to cycle through the amp very rapidly and can cause blown subs and blown fuses. If you do not know how to wire both subs for a combined load of 2 ohms, please let me know what type of subs you have.

Aug 05, 2007 | Alpine PDX-1.1000 1000W x 1 Car Amplifier...

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