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Why is my Jensen SPX-17 home entertainment subwoofer only putting out about 10% functioning base power volume level and loudness?

I took the power board off the troublesome subwoofer and reattached another powerboard of another Jensen SPX-17 subwoofer and it worked perfect. So I knew it had to be something inside the trouble SPX-17's power board. I took it apart to see if any wires were loose or not properly attached to the laeds and everything was solidly in place. Why is my subwoofer only pumping out about 10% performance volume level. I even configured the sound level on the amplifier/receiver to a 10+ level and it made no difference. Any ideas Thx; Gary

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Gary, If you have the subwoofer open, what did you keep from measuring the voltage of both power supplies? And while measuring, why not put a load on both, and see what current they can handle?
When the error moves with one component (power supply) the error must be there. Without a multimeter, (I have several, but I'm not close to the power supplies) you can't tell if the power supply is working to full performance. So start there.
Just try to find out, if a part of the rectifier is defect (one diode) It won't be possible to point out what is wrong, if you can't measure on the device yourself.
Sorry.

Posted on Nov 23, 2014

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1 Answer

What is the watts


Hi.

The Jensen XS-1010 is a 450-Watt 10" (450W peak, 150W RMS ) Subwoofer.

Below the full technical specifications:

Tech Specs

Product Type - Car subwoofer driver

Dimensions (WxDxH) / Weight - Car subwoofer driver : 4.7 in Diameter 10.1 in

Dimensions - Diameter - 10.1 in

Enclosure Color - Blue

Localization - English

Speaker Type - Passive

Speaker Diameter - 10"

Nominal (RMS) Output Power - 150 Watt

Max (RMS) Output Power - 450 Watt

Response Bandwidth - 24 - 1000 Hz

Input Impedance - 4 Ohm

Output Level (SPL) - 88 dB

Connectivity Technology - Wired

Speakers Included - Car subwoofer driver - 10" - 150 Watt - 24 - 1000 Hz - 4 Ohm - wired

Driver Details - Car subwoofer driver : 1 x subwoofer driver - 10" - polypropylene - Mid-Q

Diameter - 9 in

Depth - 4.4 in

Sep 07, 2011 | Jensen XS-1010 Car Subwoofer

1 Answer

My Jensen spx 17 sub makes a loud thump on turn on.Is this normal or an easily solved problem? Will it damage the cone?


all the spx17 will do that, no it should not damage the driver.

We usually suggest to customers that it is best to leave the Sub in the Auto switch position as this will allow it to automatically switch on and off without the loud pop.

Nov 16, 2009 | Jensen Audio Players & Recorders

1 Answer

I have a Jensen VM9312HD and when my car turns on and the head unit starts up the volume is very loud and i would like it to be quiter when it starts but i cannot find a way to change it. can anybody...


i just found out how to fix this problem. turn the volume to the level you want at startup, then hold the volume button til it beeps.itll start at that level then.

Sep 21, 2008 | Car Audio & Video

2 Answers

Loud Function


customer support suggested this: Turn the volume control, and while the yellow speaker icon is still visible, press and hold the volume control until you here a double beep. This confirms the new volume setting.

Jan 03, 2008 | Car Audio & Video

1 Answer

Jensen Subwoofer JPS-10


This sound is made by the automatic shutdown in the speaker. Jensen repaired my unit under warrantee.

Aug 27, 2007 | Jensen JPS10 Subwoofer

1 Answer

Orange light


I have the same speaker and it sounds like its behaving properly.

if you look on the back of the amp, you will find a switch that allows the speaker to automatically switch the speaker on or off based on the level of the audio coming from the tuner that it is attached to. If the switch is set to the auto mode, then it will listen for audio on the line and if the signal level coming into the subwoofer is high enough, the amplifier in the subwoofer will turn on and play. If the signal is not strong or loud enough, then the subwoofer will not turn on. There are two solutions to getting the speaker to work.

1. When you turn on the tuner or audio source that is feeding the Subwoofer speaker, you will need to turn it up loud enough to trigger the circuit in the subwoofer to switch on.

2. Alternatively, you can bypass the automatic circuit and set it to the "ON position all the time. In this position the subwoofer is always ready and waiting and should play any signal that is fed to it regardless of the loudness or volume of sound from the tuner. The switch is located on the back of the speaker cabinet just to the right of the red and black speaker wire connections. It is labeled "AUTO" and the switch positions are labeled ON and OFF.

Hope this helps!

Jul 09, 2007 | Acoustic Research S112PS Subwoofer

1 Answer

Systems shuts off if sound gets too loud.


Yes, i had this same problem. If it was too loud, at level 37+, any loud boom would shut down the subwoofer, subsequently shutting down the speakers. As such, I figured it might have been the 8 pin dim cable, but that wasn't it. What solved the problem was lowerin the BASS level. Not the level on the subwoofer, but the actual BASS level. I had it at +10 (the max) and it was too much for the system to handle. I don't think I ever had it like that so I'm assuming someone, maybe my daughters, moved the settings. But anyway, moving the bass level back down to either 0 or +3 at most maintains the "boom" effect of the subwoofer minus the shutting off of the system.

Oct 20, 2006 | JVC TH-C60 System

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