Question about Infinity 475A Car Audio Amplifier

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I installed a 475a to my door speakers and when i turn the power up on the amp my speakers make loud popping noise any idea on wat it could be

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You blew the speakers. The speakers were probably not made for that much power and the voice coil blew. If they were stock speakers, then they are defenetly blown. Stock speakers are not made for much power at all, and will more than likely blow with any extra power given to them at all.

Posted on Oct 24, 2009

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Guys whats up. I have a infinity 475a and when i turn up the gain it makes a loud popping sound. It damaged my speakers. Got other speakers but still the same. A friend mentioned about dc leaking or...


Static electricity build up, and the popping you hear is when the static electricity builds up to it's maximum, then it arcs to ground.... what you think is from the speakers.and then the process starts over.

Jul 07, 2014 | Car Audio & Video

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Loud popping noise


Check the filter caps on power supply

May 16, 2013 | Audio Players & Recorders

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I have a pair of JM lab Electra 905 speakers, running through a DNM amp and power amps. When powered up, the left speaker makes a very loud humming noise. This has happened recently. I haven't changed...


Hello
Switch on your amp, keep its volue down to extreme low, and listen if there is still hum through the left channel or not. If still there is hum, the left side power amplifier section inside the amp;ifier is faulty. If htere is no hum at this state, hum enters thorugh the audio input terminal, and the input wires must be checked for open sheild connection. OK.

Apr 10, 2011 | Jmlab Electra 905 Speaker

1 Answer

Popping and Humming noise from my audio system?


Ground Loop Isolators are nice, but if you want truly crystal clear sound, you will need to run a common ground. All electronics will need to be run close to the amp, as more than about 3 feet of ground wire from the amp can cause sound issues. When I ran my common ground, I connected my radio and satellite together, and ran one sigle ground wire to the backseat of my car, where the amp grounds are located. This will optimize the clarity of the sound coming through the speakers. For the popping sound in the speakers when the car is powered on or off, you need to see if the radio itself has a wire to power the remote connection on the amp. Most of the time, they will, and this is the wire you will use to turn on the amp itself, as it delays each item powering on and reduces the chance of popping in the speakers. DO NOT run the remote wire from the amp to the accessory wire of the radio, as this will cause the popping sound you are hearing. If the radio does not have an Amp Turn-on wire, then you may need to improvise by using an accessory wire in another location, but even this is may cause popping as well. The pop comes from multiple things turning on at once, so the Amp Turn-on wire delays the amps for just a moment, preventing the pops.

Oct 05, 2009 | Pioneer DEH-P6400 CD Player

1 Answer

(Dv6000) Sorta frequent loud popping noise.


This happened with a DV9000 recently and the speaker assembly had to be replaced. I found one on ebay for 5 bucks. Need to remove the power button plate and unscrew the speaker assemblies and replace.

Jul 22, 2009 | Gateway GMAX 2100 Computer Speakers

1 Answer

Infinity 475a amplifier makes a high tone


Your stereo is picking up alternator whine. If you're good, you can make the motor fit with the song... kidding.
you can purchase a noise filter that will fit on the ground line of the alternator.... here's a few to scope out online

this will get it out for ya...
k

May 31, 2009 | Infinity 475A Car Audio Amplifier

1 Answer

Sound loss


bad system cofiguration too much load on rea amp

May 11, 2009 | Infinity 475A Car Audio Amplifier

1 Answer

PDX-1.600 no sound from speakers


check your coil wires on the back of the sub

Apr 11, 2009 | Alpine PDX-1.600 Car Audio Amplifier

1 Answer

Component speaker not working


The easiest thing to test is to try swapping the connections of the front component speakers at the amp connections. If the problem follows the speakers, the issue is probably with the speakers. I would triple check (again) the speaker wire connections. It's also possible the crossover for the driver side component speakers has an issue (thus why the tweeter worked for a while).

If the problem stays on the drivers side, the issue is probably with that channel on the amp. Triple check the RCA connections for that channel.

It's much easier to test other speakers on an amp channel versus trying to check it with a meter.

If the driver's door is "abused" often, my initial thought is the wiring at the speaker or the wiring in the speaker (to voice coil, within the crossover, etc) is the most likely culprit.

Apr 10, 2008 | Infinity 475A Car Audio Amplifier

1 Answer

Speaker makes a popping sound when car starts


may be the antenna jack such is connected in cassete is n't good

Jul 08, 2007 | Panasonic CQ-C8803U CD Player

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