I have an Audobahn A8000T mono amp. My problem is that it is turned on, but its not sending anything to the sub I have hooked up to it. I know it has the signal because I have RCA's relaying the output to another amp.
I'm running this amp to 2 x 10" kicker comps which I have run on it before but fore some reason when I rehooked it up I got nothing...
Yea same thing happen to me today turns out one of the switches that changes cross over etc was in the middle and it didnt ply i flicked it to one side or the other and it started bumping again haha hope this helps if so send me a shout at firstname.lastname@example.org
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Is it possible that you may have over driven the unit and blown either the power supply or output stages? Well, if the amp is getting power as you indicate the issue lies within the stages I just mentioned.
The easiest thing to do is add an outboard crossover; something like a Rane AC 22S. Set the mode for stereo 2-way & mono sub out. L & R mains out from the mixer to the crossover, mono sub out to the sub and high out's to the full-range speakers.
Disconnect the speaker wires then the power and ground completly. Then power up the amp and if the protection light turn on the you have an interanl problem if not then you ohm is problably to low and causing the amp to go into protections.
You cant bridge it to the MONO AMP . You can only bridge subs & speakers to 2 CH & 4 CH AMPS that are bridgeable. Because if it appears that there is 2 channels on a Mono amp its so its convenient for you to hook up 2 4ohm subs to it easily But both channels are actually connect internally together in parallel inside the amp unlike a 2 channel they are separate.
So just connect your mtx 9500 to a plus and a minus and doesnt matter which since all the + terminals of are connected together and - are connected together already.
Whats important is on the side of the sub/box it reads 2 ohms. The lower the ohms the more power the Mono amp will put out. Mono amps are designed to handle 2ohm loads.
If it reads 4ohms The MONO amp is the wrong amp to use cause the power will be weaker. So if you have a 1000 Watt Mono amp at 4ohms the sub will only get 500 WATTS Max while a 2 ohm will get the full 1000 Watts.
If it reads 4 ohms connect it to a 2CHANNEL AMP and BRIDGE IT (connect + of the sub to 1st channels positive of the amp then connect - of the sub to 2nd channels negative of the amp) . The power will be doubled when you bridge it on a 2 channel amp. NOW if it was a 2 ohm sub and you bridged it to the 2 channel amp it will fry the subs and ruin the amp. 2 CHANNELS CANT TAKE A 2OHM LOAD BRIDGED OK.
A mono amp usually can handle only two 4 ohm subs. You see when you hook up two subs in parallel it drops the ohms too 2 ohms and 3 in parellal drops it to 1 ohms overheating the amp and cause power failure. Unless you bought a Mono amp thats 1ohm stable. But still I've seen cheap 1 ohm stable amps not last long. Also possible your subs are fried too check them with a multimeter and measure each sub ohms.
find the ohms on each subwoofer and how much it can handle. If you have two 4 ohm subs get a powerful MONO AMP and hook it up in parallal. If you have two 2 ohm subs get a (1 ohm stable) Powerful MONO AMP and hook it up in parallel or a powerful 2 CHANNEL AMP but the wiring can be a little complicated cause you've got to connect the subs in series and bridge it on the positive of 1 channel and the negative of 2nd channel for maximium benefit without burning out the 2 channel amp. If you got two 500 Watt subs then you got to find an amp that can put out 1000Watts anything less wont sound good and may burn out the subs because of too much distortion cause of lack of power.
You will not be able to get the full power from the amp without ruining your sub. The amp puts out full power into a 2 ohm load so option -A- is to just run one coil off the sub and it will absolutely pound -until you roast the coil.Then you can use the other coil and roast that one too. But since you do not want to roast anything-first thing to do is take it to the store and trade it in for a dual 4 ohm sub-wire the coils in parallel and there's your 2 ohm load to achieve max power from the amp. Problem there is that you will have WAY too much power for the sub to handle and you'll blow it anyways (in time).Best thing you can do is get an identical sub(dual 2-ohm) wire the coils in series which will make them 4 ohms per sub then parallel the subs to get back down to 2 ohms overall-you get max power from the amp and hopefully enough speaker to handle it.Hope that helps.
ok this gets confusing sometimes. Ok first look to see what ohm your subs are. If you have a dual 4 ohm sub When you run that on sub + to + and - to - then that will make that sub 2 ohm. its different on ohm if the sub is say a 8 ohm then putting the wires that way will bring that sub to 4 ohm. Now lets say you have 2 subs that are dual 4 ohm and wire both of them + to + and - to - and go bridge the amp which would be both wires from sub both + together and both - wired bridge on the amp will make it a 1 ohm to the amp. Please post what ohm your subs are and i can tell you alittle more about it