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Question what terminal is b+ ?

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  • tbakertexas Apr 30, 2008

    yeah duh! it came to me after I asked... thanks!

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Normally B+ is the positive of your Battery

Posted on Apr 30, 2008


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I just replaced my old terminator 12" subs with two new 12" jl audio w3 4ohm subs and the mtx terminator amp keeps shutting off and flashing red. I kept everthing the same from my original mtx...


You may have touching speaker leads going into the amp. Make sure the tinsel is not touching across the speaker inputs on the amp. Also check your ground. It should be solidly connected to the vehicle chassis in a paint-free location. Finally, make sure there are no exposed speaker wires touching the vehicle chassis.

Mar 09, 2011 | MTX Terminator TN400/4 Car Audio Amplifier

1 Answer

What is the power and ground?


See manual for your amp posted here
http://download.phoenixphorum.com/Manuals/Amplifiers/XS/xs2300blk.pdf

Power is the B+ terminal, Ground is the B- terminal. The small terminal in-between them is the remote turn-on.

Jan 28, 2011 | Phoenix Gold XS2300 Car Audio Amplifier

1 Answer

Im just hooking subs. to my amp , so do I run my woofers to the terminal that say's sub or to just the other speaker terminals.the thing is I have two ssubs. and one sub terminal


If you want to use two Kicker Coaxial or Component Speakers on a single
channel of your amplifier wire the speakers in series. This will improve the sound quality, lower the total harmonic distortion and
lessen the thermal load at the amplifier. This may prevent an amplifier from shutting down, due to over-current protection circuitry.....so definetly on the SUB terminals as this channel provides the better bass response........

Oct 06, 2010 | Kicker KX700.5 Car Audio Amplifier

1 Answer

Remote wire keeps shorting out


Be more specific. Shorting as in the amp is turning on and off? Check the voltage coming from the remote wire on the deck and make sure its up to par. Rockford especially older amp are prone to the remote terminal coming loose from the board and or traces breaking where it solders to the board. Also make sure the spade terminal you are using on the remoter terminal of the amp is not touching the sheet metal around it. Always use an insulated one and never just wrap a wire around the terminal. Keep me posted....

Nov 01, 2009 | Rockford Fosgate Punch 700S Car Audio...

1 Answer

MTX 1501 D


If the terminals were smoking, it's probably due to loose screws in the terminal block or wire that's too small.

Did the amp work properly after the terminal blocks smoked?

Apr 29, 2008 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

No sound out


You should be getting a reading from the speaker terminal if you have it wired properly & the stereo is playing.

if you are testing the DC voltage 'ACROSS' the terminals you will not get a reading.

Test the pos terminal as you did the main feed...Black probe on earth terminal, red on the pos speaker terminal.

If you are getting a reading then try a different sub.

continuity test across the terminals of the sub & push on the cone if the buzzer changes on/off as you push on the cone the voice coil may be burnt? pump the cone up & down it may clean it a bit?

Dec 11, 2007 | Xtant1.1i Series Mono Car Audio Amplifier

1 Answer

It jus turns off an i can't figure out y?


Disconnect the speaker wires and signal cables from the amp and measure the voltage across the power and ground terminals with a multimeter.

With the black meter lead on the ground terminal of the amp and the red meter lead on the B+ terminal of the amp, the voltage should remain at or above 11 volts.

With the black lead again on the ground terminal of the amplifier and the red lead on the remote terminal of the amp, the voltage should again remain at or above 11 volts.

Oct 29, 2007 | Kenwood KAC-5203 Car Audio Amplifier

3 Answers

Sub hook up to PPI D3000 amp


I'm not familiar with this amplifier but in most cases, if a mono amp has more than one positive speaker terminal and more than one negative speaker terminal, the positives are directly connected and the negatives are directly connected. So  as long as you connect the speaker positive to a positive speaker terminal of the amp and the speaker negative to a negative speaker terminal of the amp, it will work properly.

Oct 12, 2007 | PPI D3000/1 Car Audio Amplifier

1 Answer

Sentrek amp


That company went out of business some years ago, so it's difficult to find the specs or pictures of it to be super accurate, but generally speaking it should have a "Battery", "Remote", and "Ground" set of terminals and a pair of spaker terminals each with a positive and negative. The battery terminal goes to the battery, the remote terminal goes to the remote output lead (usually blue/white) on the head unit, and the ground terminal goes to the chassis of the car. The speaker terminals go to the speakers (observe positive and negatives).

Sep 08, 2007 | Car Amplifiers

1 Answer

Verge VGA300M Speaker terminals


Mono amps often have two sets of speaker outputs; this is just to simplify multi-speaker connections. The two positive and negative terminals are connected together internally, so they're effectively the same as one terminal. There's no difference between connecting both subs to the same positive and negative terminals, or using different terminals for each sub; electrically they'll all be connected together either way.

Jun 06, 2007 | Verge VGA300M Car Audio Amplifier

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