are your sub wires suppose to have power when the amp is off?

[DeuceLee 10+ year member]

Tried this in the electrical forum but no luck,

Just installed new MTX amp, BNIB...

check that amp works: power and ground cable connected, turn on lead connected, amp light turns on when key is turned on signaling that amp powers on...

problem: when i turn ignition off and try to connect the sub, seems like there's power in the speaker wires even tho the amp is off...

the sub exerts (pushes up) when i connect both wires to the sub, and it stays up...and if i let the speaker wires touch each other, they spark...

isn't this not suppose to happen unless the amp is on?

what can i do? any way to trouble shoot this? i'm at work so just trying to get some ideas for later...

thanks

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[nismos14 5,000+ posts]

Looks like your amp is not shutting off. Where is the remote wire hooked up?

 

[DeuceLee 10+ year member]

Looks like your amp is not shutting off. Where is the remote wire hooked up?

i'll have to double check on that...but in my last amp, the clarion, i never had this same problem...

and it seems like the amp is off when i turn the ignition off...the amp doesn't light on with its colorful lights...

but the sub wires are still this way...

 

[squeak9798 5,000+ posts]

the sub exerts (pushes up) when i connect both wires to the sub, and it stays up...

This makes me think that for some reason or another you're getting some DC output from the amplifier.

Simple way to test this is to grab a DMM, set it to measure DC Voltage and connect it to the amplifier's outputs with the ignition off. If it measures anything, then the amp is in need of repair.

 

[rumple4skin 10+ year member]

i think sqeak is ontop of it man(hate to say it but sounds like amp is trash) id send the amp in