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My install so far (long) (archive)

[ Follow Ups ] [ 3-series (E46) Message Board ] [ Msg. Board FAQ ]

Posted by Mark in England on October 08, 1999 at 03:46:13:

In Reply to: Thanks...(more) posted by Jake N on October 07, 1999 at 15:23:23:

I've added a Rockford Fosgate Punch 150 (150 watts mono) amp (which I mounted right under the cd changer; open the door for the cd changer and the amp is visible, adjustment knobs and all!)to drive a RF dual 10" bandpass sub box. I tapped the signal going to the rear deck speakers to send a signal to the Punch. I used a "piggyback" type connector to tap the signal which doesn't require cutting the factory harness. I ran power for the Punch using 8 gauge RF power wire directly from the battery which is mounted in the right rear of the trunk (very convenient). I tapped into the harness again with a piggyback type connector to the all grey wire for the remote turn on for the Punch (turns the amp on and off when the head unit is turned on and off. I used a RF fuse junction and ran the power wire under the trunk floor liner inside of a split hose. Don't forget to groung the amp.

Last night I drilled out the spot welds holding the ski bypass panel in place and used an exacto knife to cut the carpet glued on the back side of it (behind the seat)and removed the panel ( it took a few good whacks with a mallet). The idea of this is to let more of the bass enter the cabin from the trunk (you have to lower the center armrest). The system sounds much better now as I can turn the bass down at the head unit to keep the factory speakers from muddying out (for lack of a better term) and increase the gain on the amp to let the sub take care of the lows. The Punch amp also has a "Punch" adjustment on it to increase the sound level at 45Hz so you can play around with it until you like it. I like to hear good bass in my music and hate to hear a speaker muddy out so this was a good option for me. I don't consider myself a "basshead" but when compared to the HK option that only adds a pair of 6x9 subs driven by a pathetic amp this upgrade made more sense. I spent 180 on the amp, 240 for the sub box, 50 for misc parts and 80 for some expert help (total $550) compared to $650 for the HK upgrade. I know the HK option adds some type of spatial something or other but that wasn't a factor for me. My next upgrade will be a four channel amp and component speakers; although I have some reservations about pulling the door panel off.


: So there would be no problem just replacing the amp without any modification? What mods did you do to your sound system?




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