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I have a subwoofer that appears to be not working. It is a Simba audio Model VS 12 I have adjusted all the control knobs at the back and checked the connections, all to no avail. Do you have any suggestions ?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 119 Answers

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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bugpowder
  • 28 Answers

SOURCE: Audio Out Fixed/Variable

Is your subwoofer amplified or passive?

You clearly understand that you need to use a variable line out to control the subwoofer volume via the TV. As the setup seems reasonable, I'm wondering if the subwoofer is getting a signal, but that it is at line-level and not internally amplified by the subwoofer speaker. Generally, if the subwoofer must be plugged into an AC socket in the wall, it has an internal amplifier and can be fed line-level audio. If it is "passive", it has no amplifier, and it must receive an amplified signal (over speaker wire) from an amplifier (or integrated receiver). TV's don't generally have connections to send out an amplified signal.

If the subwoofer is indeed amplified, then this is obviously not the problem, but it's the first thing to verify given the information provided.

Posted on May 12, 2008

  • 3 Answers

SOURCE: MA Audio MA 1200XL Car Subwoofer

that subwoofer has dual 4ohm voice coils, if your amp can handle 2 ohms, you would put a wire from the positive (+) on the amp to the positive on both connectors on the sub, then hook the negative (-) on the amp to the negative on both the sub connectors that will be a 2 ohm load on your amp make sure your amp at 2 ohms is not more than 600 watts RMS or 1200 max.

Posted on Jan 08, 2009

Devsta
  • 68 Answers

SOURCE: Amp is on, but sub wont produce any bass

Make sure the subwoofer is set to low frequency, make sure subwoofer and bass are enabled on the headdeck. Make sure the gain is turned up on the amp, make sure the rcas haven't come out of the back of the head deck.

Posted on Aug 05, 2009

  • 2976 Answers

SOURCE: are replacements for the plastic control knob

Knobs for almost anything electric or electronic are available at Allied Electronics. Here's the link.

http://www.alliedelec.com/

Posted on Oct 01, 2009

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1 Answer

Am I missing something simple? Read the manual and can't set the time or date on KDC MP628.


Step 1:

Hi there,

In standby mode:


Enter Menu mode:
Press the [MENU] button for at least 1 second.
"Menu" is displayed.

Step 2:


Select Clock Adjustment mode:
Push the Control knob to [FM] or [AM].
Select the "Clock Adjust" display.

Step 3:


Enter Clock Adjust mode:
Press the Control knob for at least 1 second.
The clock display blinks

Step 4:


Adjust the hours:
Push the Control knob to [FM] or [AM].


Adjust the minutes:
Push the Control knob to [Back Search] or [Forward Search].

Step 5:


Exit Clock adjustment mode
Press the [MENU] button.

Step 6:


Date Adjustment...

Select Date Adjust mode
Push the knob to [FM] or [AM].
Select the "Date Adjust" display

Step 7:


Enter Date Adjust mode
Press the Control knob for at least 1 second.
The date display blinks.

Step 8:


Selecting the item (day, month, or year) to
adjust

Push the Control knob to [Back Search] or [Forward Search].
The items that are blinking are items that can be
adjusted.

Step 9:


Adjust each item
Push the Control knob to [FM] or [AM].

Step 10:


Repeat step 8 and 9 operation and adjust the
date

Step 11:


Exit Date adjustment mode
Press the [MENU] button.

Step 12:


Setting the date format.

Select Date Mode
Push the Control knob to [FM] or [AM].
Select the "Date Mode" display.

Step 13:


Select the date format
Push the Control knob to [Back Search] or [Forward Search].

Step 14:


Exit Menu mode
Press the [MENU] button.


Hope this helps.


Cheers,

Scott

Jan 14, 2013 | Kenwood KDC-MP628 CD Player

1 Answer

A425 subwoofer, more bass? wires came off, no bass managment.


I wouldn't cross wires or leave one disconnected. Can you solder the wires back on the the control knob? Did you feel the subwoofer cone to see if it's working at all? I would guess the wire you didn't connect, is the subwoofer wire. Try putting it back to original cofiguration and solder the wires in place.

Jan 13, 2012 | Dell Powered Subwoofer Set A425 Computer...

1 Answer

I CANT SET THE TIME ON MY JVCKD-G510


Hello... sorry you are having a problem with this unit. Here is the procedure to fix your problem. Press and hold the "SEL" button for approximately 2-3 seconds. You will enter the menu section. Press the seek button below the volume knob ">>>" until it reads "Clock-H". Rotate the volume knob to adjust the hour. Press the ">>>" button again and "Clock-M" should appear. Rotate the knob to adjust the minutes. Hit SEL button to exit the menu when you finish. I hope this helped!

20 year car audio/video installer
Bay manager

Mar 17, 2011 | Car Audio & Video

2 Answers

How do i turn on the subwoofers through my kenwood radio model number KDC-MP142/CR it said to hold the AM- button for 2 seconds i did and it did not turn them on and it does not show subwoofer levels or...


According to the manual you need to hold down the source button to enter audio control mode.

Hold Source button

Press audio knob to enter control mode

Select audio item to adjust (scroll to what you need to adjust, then press the audio knob)

Adjust, turn on what you need

To exit hold audio knob for a second

Sep 21, 2010 | Kenwood Car Audio & Video

3 Answers

How do you set the clock on sony xplod 100db+?


The clock uses a 12-hour digital indication...... Press and hold the select button...... The setup display appears...... Press the select button repeatedly until “CLOCK-ADJ” appears...... Press (DSPL...... The hour indication flashes...... Rotate the volume control dial to set the hour and minute...... To move the digital indication, press (DSPL...... Press the select button...... The setup is complete and the clock starts......

Jan 28, 2010 | Car Audio & Video

2 Answers

Sub Control


in standby hold menu down and scroll to rear and change it to sub

Jun 08, 2008 | Kenwood KDC-135 CD Player

1 Answer

CD volume


Select the source to adjust
Press the [SRC] button.
2 Enter Audio Control mode
Press the Control knob.
3 Select the Audio item to adjust
Press the Control knob.
4 Adjust the Audio item
Turn the Control knob.
S Exit Audio Control mode
Press any button.
Press a button other than the Control knob or ...
button.

1 Select the Basic Audio item
For how to select Basic Audio items, see <Audio
Control> (page 6).
2 Enter Detail adjustment mode of Audio
Control
Press the Control knob for at least 1 second.
3 Select the Detail Audio item to adjust
Press the Control knob.
4 Adjust the Detail Audio item
Turn the Control knob.
S Exit the Detail Audio Control mode
Press the Control knob for at least 1 second.
~
• When you set the Bass Extend to ON, low frequency
response is extended by 20%.
• You can exit the Audio Control mode at anytime by
pressing any button except for Control knob or ~
button.

http://akamaipix.crutchfield.com/Manuals/113/113MP338.PDF

page 6 and 7

May 06, 2008 | Car Audio & Video

1 Answer

Amps and sub-woofer not working


Enter into the Audio Setup mode(press and hold volume button for at least 1 second). Next, repeatedly push the volume button until the display shows "2 ZONE". Make sure this feature is turned off. Hold the volume button again for at least 1 second to leave Audio Setup mode.

Now you need to make sure the Subwoofer Output is turned on. Do this by holding down(AM position) on the control knob(toggle stick) for at least 1 second. Each time the button is pressed, the Subwoofer Output is turned ON/OFF. the display should show "SW ON".

Next, you can go into Audio Control mode(press but do not hold volume button). Keep pressing on the volume knob until "Sub-WLevel" is displayed. Here you can adjust the amount of gain for the Subwoofer ranging from -15 to +15.

I hope this fixes your problem with it.

Cheers

Dec 31, 2007 | Kenwood Excelon KDC-X789 CD Player

1 Answer

Troubleshooting on Adjusting Treble/Bass


Look in your owners manual and make sure you are turning the right knobs or pushing the right buttons once you have the adjustment screen for the bass/treble showing. It could be that they use different knobs/buttons than the volume control. If you are using the right controls, then you have a problem that only a shop can fix. You might reset by taking away all the power (acc and bu) for a couple minutes and then reconnect, but if that doesn't help then it time to go to the shop.

Aug 10, 2007 | Alpine CDM-7861 CD Player

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