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I have a mcd 1000 amp set at 2 ohms and when the bass hits hard it cuts off the gain is set low i have 4 gage wires two atomic 12s have tried different subs and stereo but same problem

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Try making sure all your power and ground connections are still good and tight

Posted on Jun 04, 2009

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So i have installed my amp, epicenter, all wiring is done, hace great ground.. But once i turn my car on to sound check everything starts fine but after turning up the volume a bit.. My amo goes into...


It sounds like you have your gain to high. best way to solve this is by turning the gain way down to - or lowest number , then turn everything on and upto the volume you desire, then slowly up the gain. also avoid using bass boost, I agree it sounds great but it puts strain on the amp and shortens life in the amp. with the bass boost off, you can adjust others (not the gain) to get bass.

Hope this helps

Jan 26, 2013 | Car Audio & Video

1 Answer

Kenwood kac-6295 shuts off then turns back on at high volumes


Did you wire the speakers in series or parallel? 4 ohm speakers in parallel actually come out to equal 2 ohms wich most amps would see as a short causing protection issues. 4 ohm speakers in series equals 8 ohms which should be fine for your amp. been there : expert-tech / SAM

Mar 27, 2012 | Car Audio & Video

1 Answer

We installed the amp and bass package and the subs are not nowhere near *** powerful we think its the amp and when the remote bass switch when we turn it it doesnt change


what product brand did you install. do you set the amps x-over and gains a sub sonic filter right
need to see if the amp is on check led light on amp. make sure your subs ohm load is correct for the amp.

let us an example fake amp 500x2channel max output 1000watts

if you wire your subs at 4 ohms you 250x2 rms stereo
if you wire your subs at 2 ohms you 500x2 rms stereo
if you wire your subs at 4 ohm mono you get 1000 watts

if you have the input voltage of 14.4 all the time at the amp

whats the equipment power

Oct 14, 2010 | Car Audio & Video

1 Answer

I have a kicker 750.1 amplifier. I was playing it one day pretty loud and it cut out once the bass hit and started smoking.The gain was up about 1/4 and the bass boost was about half way. what could of...


I would say that your subwoofer Or speaker leads have shorted out...when the bass hits as you say it drives the amp hard but if it is trying to dump power onto a shorted speaker or speaker wires it will blow the output power transistors not to mention other vital components of the power amp...i suggest you test your speaker leads with a Multimeter on the ohm setting before connecting a repaires or another amp.. to make sure there is no short on the leads and that the resistance is around 4 ohms or so depending on how you have your drivers wired...but anything lower than 2 ohms will cook an amp! you can normally pick up a meter from anywhere for around $10..

Jan 14, 2010 | Kicker (ZX750.1) Car Audio Amplifier

1 Answer

Amp turns off


You did not specify the model you have - however the Flex series is only stable with a load of 4 ohm mono (bridged) and 2 ohm (stereo).
You are driving the amplifier to work too hard, and it is shutting itself down.
Re-wire using one subwoofer (bridged) or wiring the subwoofers on seperate channels.

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Apr 08, 2009 | Car Audio & Video

2 Answers

Power from the kenwood 9103D to the Kicker comp 15's is on n off


Most times I hear of people turning up the volume on a head unit and cutting off on the amp it tends to be wired to a speaker with the wrong impedance. I googled kicker comp and got tons of different models, not to mention almost all of them were 250 watt rms. That amp is 900 watt RMS at 2 ohms. If you only have 1 woofer, you can't possibly wire it wrong being all the subs I've seen in the results were 4 ohm. If you are using just one though, you should get a larger speaker, both 2 ohms and 1000 watt rms to prevent distortion. I'm afraid I can't answer your post without further information on the sub you are using.

Nov 20, 2008 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

Running 4 12s with two insignia 1000 watt amps


Use a pair of two-channel amps that are two-ohm stable, and wire a pair of subs to each amp. Wire them in parallel so the amps see two ohms (wiring in series will show four ohms). Doing this effectively "doubles" the power of the amps. If the amps are not two-ohm stable, they'll fail. Parallel wiring means putting the positive wire of sub 1 to the positive terminal of channel 1 on the amp, and the negative wire of sub 1 on the negative terminal of channel 2. Do the opposite for the second sub. This will give you a LOT of bass response as long as your sub enclosures are properly sized for the speakers.

Jul 21, 2008 | Insignia Car Audio & Video

1 Answer

12 w 3 v3 2 cut off


Again as I have stated in my other answer to you. You can not wire two SVC 2 ohm subs to acheive a 2 ohm load. more than likely you are running your amp at 1 ohm mono and this is why it is clipping and shutting off.

Jun 19, 2008 | Jl Audio 12W3 Car Subwoofer

1 Answer

Installation


Hi JJerky,

I suggest we go for 2 ohm to preserve the amp and not heat things up so bad.
Your Subs are Dual Voice Coil(DVC) and 2 ohms each coil. I am going to tell you the wiring to insure you get balanced response from both Subs. We will wire the Subs Voice coils in Parallel to make them 1 ohm each. Then we will wire the Amp to the subs in series to make the total load on the amp 2 ohms. When you have series to both subs each sub gets the same current.


Example of my coding :SUB1VC1+ = Subwoofer 1 Voice Coil 1 Postive terminal.

SUB1VC1+ to SUB1VC2+
SUB1VC1 - to SUB1VC2-

SUB2VC1 + to SUB2VC2 +
SUB2VC1 - to SUB2VC2 -

AMP + to SUB1VC1 +
SUB1VC1 - to SUB2VC1 +
SUB2VC1 - to AMP -

This should give you a good repsonse.

Adjust your Bass Gain down very low at first. Also cut you LPF to about 60 hz. Crank up the volume on a bass test Audio track, Adjust the Bass Gain up unitl you get distortion. The turn it back a little. This is proper setting for your Gain.

Dec 01, 2007 | Lanzar OPTI1222D Car Subwoofer

2 Answers

Kole Q1-3000D Power Supply caps Keep blowin


you need a fuse of 300amps or higher with 1/2aut cable power supply connected to an after market altenator. also make sure the subs are wired properly.

Nov 12, 2007 | Kole audio Q1-3000D Car Audio Amplifier

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