I can give you a quick run down....
Buy a 8 guage amp wiring kit. Run the 8 guage fused power wire from battery, under the tank to inner fairing. Take outer fairing off. You can mount the amp on top of the radio with velcro if you wish, or you can mount it beside the glove box on the inner faring. There are alot of options for mounting. Then run a 8 guage ground wire to something close to the amp inside the fairing if you can. I heard some people using the frame bolts to the fairing, some use the highway bar bolts... Just find a good ground. Then disconnect the wires from your J&m's, run the speaker wires to the high level inputs on the amp, and then run new speaker wire from the amp to the J&m's. Turn the AVC off or less than two bars. Set your EQ to zero, turn the gain all the way down, set the crossover on the amp to full range. Turn the volume up to 3/4. Use a test cd and play a solid 50hz tone.... turn the gain up untill it distorts , then turn it down jut a little. And your ready to go.
Or you can do the more accurate way of tunning the amp. Take your RMS wattage for one channel on your amp (125 watts) multiply that by the ohm's your speakers are wired to (2ohms) which in your case will equal = 250. Take the square root of that number (sqrt of 250= 15.81). Now take a volt meter or O-scope if your lucky enough to have one. Disconnect your speaker output and place the voltmeter cross one channel + and -. Play the 50hz test tone. Turn your gain up untill you have a voltage reading of 15.81. Then do the same for the other channel.
Hope this helps. Sorry I didnt have much time to do more detaails.
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Last edited by Donk; 03-25-2011 at 06:29 PM.