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Speakers crack when volume raised or lowered speaker fade in and out 1994 factory bmw 525i radio/cassette

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Dirty volume control-clean with a prtoduct like Deoxit contact cleaner.

Posted on Jul 21, 2008

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04 Infiniti sedan w/ factory Bose. Front speakers are not working (no sound at all) and I adjusted fade all the way both ways. Back speakers are fine. What's up?


If the rear speakers are fine, perhaps I can narrow this down. Fuses must be OK. Steering wheel audio controls connect to the audio unit which has a preamp function. The W/BK outputs connect to the left front inputs of the Bose speaker amplifier; the GRN/RED outputs connect to the right front inputs. Your ear test confirms the front door speakers are not working, therefore there is no front door output from the amplifier. The amplifier stages for the front doors may not be working or no front door amplifier input is being received from the audio unit. The fader and balance controls do not show on the diagram so must be on the front panel. They could be defective. There is a remote possibility of broken/disconnected wires

Sep 07, 2012 | Sony 2003 2004 03 04 Infiniti G35 Bose Am...

1 Answer

Radio only one speaker


It can be the speaker itself or the radio.

Jul 01, 2012 | 1994 Chevrolet C1500

1 Answer

What would make the sound turn on and off repeatedly when I raise the volume past about 17.


well, if you have aftermarket speakers with no amp, the radio may not have the power the speakers need and it clips at that volume to protect for damage. if you have factory speakers, I don't know what it would do that, the speakers would blow before the radio would clip if they were factory because the radio would have more than enough power to push them.

Sep 19, 2010 | Alpine CDA-9827 CD Player

1 Answer

I own a sony MHC-GX45. A while ago the left speaker started fading off after 10 or 15 minutes of playing. If the volume is at 5 or below, it will completely go off, if I raise the volume up above 6 and...


Sorry, I have a similar problem and came here looking for a solution. I believe the problem is with the speaker or the speaker wire. When I move the "good" speaker to the other set of lugs, it continues to function OK. I wish I could get the speaker box open without major surgery, but, alas, they are not made for repair. Don't know if I will cut into the box. My temp solution is to turn the unit off/on. This gets both speakers working. Bit of a drag, but I am finding it real difficult to find a new system w a tape player.

Jan 10, 2010 | Sony MHC-GX45 CD Shelf System

1 Answer

Speakers are not giving out sound at all. It will randomly come and go. Seems to happen at raised volumes (above 10 on my system). The speakers do not crackle or give any noise.


if it is a factory radio then your factory amplifier is bad. if it is an aftermarket radio the outputs are clipping you possibly have a blown speaker ot too many speakers. then again the radio could just be about had it.

Sep 23, 2009 | Volfenhag ZX-862R Coaxial Car Speaker

1 Answer

Radio continues to fade in and out, plays for awhile fades out


Need more information on this if possible.

It may be the speed volume is enabled on your radio, does it fade out when you start to come to a stop? Some vehicles have a speed volume setting in their radios in which the radio raises and lowers the volume during driving conditions, like when your comming to a stop, the volume will automatically lower and during faster driving speeds will rise to a higher volume.

Hope this helps
JD

Sep 10, 2009 | 2001 BMW 325

1 Answer

Have stock radio # F75F-19B131-AA its in a 1998 F250 need to know how and if i can hook up one Amp for the two door speakers, and if i can hook up an additional Amp for some subs. Ofcourse if radio can do...


You will need a line level converter for starters (takes speaker level signal and converts it to line level/RCA signal) you connect this to the speaker left/right wires and it has a RCA left right on other end to connect and run to your amps, (you need this box because factory radios don't have RCA outputs on them) At that point all you have to do next is run the power/gnd/rem for your amp and then speaker wires to your front/rear speaker and then sub (if using). You can use one of these converters for your front/back speakers so you will still have use of your front/back/left/right fading options. make sure you disconnect th factory plug/harness at each speaker since the amp will be powering them and you will run speaker wires to each speaker. If you only want one converter it will be on your front channel and your sub will be power by the front. (you will fade to front for more/less sub bass unless your amp has a separate volume/bass control). If you want your sub to fade with rear speakers you will need to install another converter off of the rear speakers. Found a site with some photos that may help you with your project.
http://www.redlineforums.com/forums/howto-section/15003-how-sub-stereo-amp-install-factory.html

Aug 18, 2009 | Car Audio & Video

1 Answer

Speakers Crack at mid to high volume (anything over level 20)


make sure speakers are connected properly to individual speaker outputs from radio .Also make sure speaker cables going to speakers are not pinched or shorted anywhere

Jul 30, 2009 | Jensen CD400M CD Player

1 Answer

Volume fade


Check to be sure there are no speaker wires touching ground, and that the wires are connected in phase to the head unit.
Front Speakers 5 1/4" Doors Left Front (+) Green Left Front (-) Black/White Right Front (+) White/Red Right Front (-) Black/White Rear Speakers 6" x 9" Rear Deck Left Rear (+) Pink/Red Left Rear (-) Pink/Blue Right Rear (+) Pink/Light Blue Right Rear (-) Green/Red

The symptoms you are relaying definately sound like an internal amplifier problem. It is fading in and out for a reason - usually due to heat.

Have you had the radio bench tested (seperate from the car) to eliminate the car as being the culprit?

Since the radio was run with damaged speakers originally, the output or amplifier power supply on the amplifier may be bad.

As an alternative to repairing, I would suggest investing in a small 2 channel amplifier to power the speakers.

The radios claim 50W per channel, but in reality give 12-15W RMS power.

A dedicated amplifier with built in crossovers and gain adjustments will prolong the life of your speakers and add to the tonal qualities of your new speakers. Instead of turning up the volume on the head Unit, and sending out a distorted signal that will blow your speakers, an amplifier will give more CLEAN power to them, so it will be louder at a lower volume setting.

This will bypass the internal amplifier on the radio, and send a Low Level signal ONLY thru a set of RCA cables.

Good Luck!!

Jan 10, 2009 | Car Audio & Video

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