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I have a visonik v4208 amp, I got 2 12in. Subs hooked up to channel 3&4. I then added another to channel 1&2 (bridged). When I turned it on it stopped working. Did I kill my amp? All fuses are still good.

Posted by Matt Stuber on

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Tygh Duval

  • 300 Answers

SOURCE: bridging to 12 inch kicker competition subs to my 1000 watt alpine 4 channel amp

I'm a bit confused. For Alpine amps, the "M" prefix is for monoblock (aka single channel) amps and the "F" prefix is for multichannel amps. The only M550 I find is an MRD-M550, which is a monoblock, not a 4 channel like you say.
Unfortunately, I can't give you accurate help until we know weather it's truly 1 channel or 4 channel. Then I'll be glad to help!

Posted on Mar 07, 2008

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Anonymous

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SOURCE: one of 2 subs stopped working.

ya the sub is blown or the amp channel is blown

Posted on Apr 10, 2008

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Anonymous

  • 68 Answers

SOURCE: visonik amps turn on into protection mode(where green not red for three days)...switched over the wires to some sony amps and they dont even turn the hell on

the fuze could be blown on the amp or the speakers are to much power for the amp at full power so try to turn the amp to half and not to turn the speakers all the way up,.

Posted on Nov 27, 2008

Dalynn Turner

  • 346 Answers

SOURCE: the amp is only putting out on 1 channel

I do believe this is caused by one of your amp fuses. Depending on which + on the amp is being used. That channel has a blown fuse. have you tried running + and -, + and - to both channels to see if both subs worked? If one sub doesn't then it's a blown fuse or scarred fuse and needs to be changed.

Posted on Feb 10, 2009

Anonymous

  • 655 Answers

SOURCE: Amp doesn't come on

Hello rheabarb,

You did not say whether or not you checked the wiring going to your subs. Many times, a shorted or grounded speaker wire will cause an amp to fail. And if the amp powers up OK with the subs disconnected, I'd suspect one or more of the wires.

Hope this helps.

Posted on May 20, 2009

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Pace posted on Saturday, March 05, 2005 - 01:08 GMT Your subs are dual 4 ohm voice coils so if you want to bridge your 2 channel amplifier to your two subs then wire them parallel, meaning the + to + and - to - ( Do this to both subwoofers), Then run a wire from one positive and one negative on each sub and bring the two positives together and the two negatives together and hook both positives to the far positive connection on your amp and connect both negatives to the other negative on your amp,

This will create a 4 ohm load on your amp.

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Hello polarisracin,

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Hello rattle822,

A pair of JH4512-04's can be wired to 2 ohms if the subs themselves are paralleled. There's only one voice coil and it's 4 ohm. If wired in series, the final impedance to the amp would be 8 ohms. They cannot be wired to 1 ohm.

In bridged mode, your 4-channel amp is only stable down to 4 ohms. You can bridge 2 of the channels to provide a relatively low 200 watts RMS X 2. The best power solution for your subs would be to bridge channels 1 and 2 and wire one sub to it. Likewise, bridge channels 3 and 4 and connect the other sub. If you connect both subs in parallel, the impedance will be too low causing the amp to overheat and possible fail.

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