Question about Pioneer GM-5100T Car Audio Amplifier

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Amp lights up but no sound to subwoofers ,

Amp lights up but no sound to subwoofers , speakers in car play fine

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Posted on Jan 02, 2017

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SOURCE: Amp is on, Subwoofer works, but no sound.

here is a short test you can try, remove the rca audio cable from the amp & connect a diskman or toher audio o/p device that you can hook up with the same rca wires, turn on the amp & see if you have sound. you can also remove the speaker wires from the sub & using multi meter read the ohm's of the sub, most subs are 4 ohm. Hope this help locate your problem

Posted on Nov 04, 2006

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SOURCE: VB101PK REV 13, AMP WITH SUBWOOFERS

was the amp hooked directly to the box? You probably rattled the power connections from the circuit board like I did on a PT 800 watt amp.but check amp fuses first.

Posted on Sep 16, 2007

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SOURCE: My amp only powers the subwoofer when the radio is on but wont when the cd player is on

The person(s) who hooked up your system made a boo boo. They wired your remote turn on lead to the power antenna lead instead of the amp turn on line (both are blue and easy to mix up). Thus when your radio is on it sends a signal to the amp and the amp turns on, but when you set to CD the signal goes away and your amp shuts down. Easy fix, just re-wire the amp turn on lead and the problem will be fixed.

Posted on Jun 24, 2008

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When the volume is low the subwoofer sounds good, but when you go up a little volume, the sound is more acute. I have two subwoofer 1000rms each, when use 500rms power aprox, it sound great, but when


If the sub doesn't appear to have any damage like broken surround or a torn spider then I would suspect the amp may be having problems. What impedance are the speakers, what impedance can the amp handle, how do you have it wired to the amp?

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is it the proper amp it must be class D amp or bridgeable 2 or 4 channel. how do you have it hooked up?

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I hooked up a Sony deck and new Kenwood 12' subwoofers and amp that came together in a box set in my 95 Jeep Grand Cherokee and when I play the radio the stock car speakers play but the subwoofers are...


their should be a blue and blue white wire on the Sony radio. cut the blue wire and then connect the car side to the blue white wire and tape off the blue wire that is on the radio side.
the blue wire only turns on when the radio is activated. the blue white wire is activated when the radio is turned on.
please rate my solution.

Jul 02, 2011 | AudioBahn Car Audio & Video

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No sound from subwoofer, i have a JBL subwoofer the side or small speakers will play but the woofer will not i ran a sound check and it was stated that all speakers was working fine. could it be that my...


Are you using the Creative speaker test program? It usually has a picture of a generic layout of a pc system, with the speakers around it, showing a speaker for each that you should have plugged in. There should be a test button that will play a sound through each speaker. If a sound plays from your center speaker when the subwoofer picture is lit up then you may have a cord plugged in incorrectly on either the subwoofer or on the back of the soundcard. I've ran into this many times.
The best way to set up surround sound is to get your speakers placed or mounted on the wall, then run one wire at a time into the subwoofer, to ensure that the front left is hooked into the subwoofer in the front left, front right into front right, etc. Then once the speakers are hooked into the subwoofer start running the outputs from the subwooofer one at a time into the sound card. After each connection run the test program and watch the pictures light up as the sound plays, and make sure that the speaker playing sound in your place is the same speaker that is lit up on the test program.
I hope that helps, otherwise the amp is probably bad. Let me know if you need more help.

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1 Answer

No sound coming out of my Onkyo SKW-200 subwoofer


A subwoofer is just really a mono amp for the signal. As with all amps if you touch the audio section/parts with a small screwdriver, you should hear a buzz from the speaker. (Follow the audio wires to be certain you are on the audio section). This can be used for testing the amp section. If you get no buzz or noise (anywhere) at all then it's power supply could be playing up. If you have a multimeter you can test it looking to see if it is getting power. Allways suspect any part that is on a heatsink. Before removing any suspect you can put the part numbers into Google to see if you can get them and it will give you a clue to cost.
PS don't short any parts when you touch with a screwdriver, and don't put it on the power parts.

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1 Answer

2 sony XS-L102P5 subs, sound great with deep bass but cones chatter when I hit them real hard


There is a possibility that you may be overpowering or under-powering your speakers with the amp you are currently using or are playing notes below the specified range of "Hz" of the subwoofer causing the sub to sound distorted or as you would call it "chattering".
If the speakers range is 130hz-45hz and your playing notes at 30hz and dont have it tuned at the crossover either on the amp or the stereo to suit the subwoofer, the speaker will try and play the note regardless and will cause the cones to move beyond its range and may cause it to slap the magnet which can damage the subwoofer if consistently played that way. Please let me know if this solved your problem..

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1 Answer

2 car subwoofers, one doesnt play


Short in amp ? try swiching wire's to speaker's around . if other speaker then work's , speaker's are both fine . if not , then short in amp , or blown channel in amp . get new one or find someone who know's more than i do about amp's

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1 Answer

Basslink red light on but no sound


check the all power lines and regulator .is any of them overheating?
then check the power amp ic or transistors.

nuwan.

Jan 12, 2009 | Infinity BASSLINK Car Subwoofer

1 Answer

No sound out of centre speaker


Make sure your amp is set to a channel which plays on all speakers (5.1).
If you have the amp set to "Stereo", it is only the frontspeakers and subwoofer which play sound.

Oct 14, 2008 | Audio Players & Recorders

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