I recently purchased and installed Audiobahn's top of the line 5x7 plate speakers in my 92' Towncar. The model number is ACX680P, and it came standard with 2 crossovers, one for each speaker (high-pass for tweeter, lowpass for 5" woofer"). I replaced all wiring going to the front speakers with 12 gauge wire, and all my power/ground connections are as good as one can make them (2 gauge wire from battery terminal to (1) 2 gauge to (3) 4 gauge distribution block, good mechanically solid 4 gauge ground connection, etc.). So I know my wiring is up to par, but my concern now is that my speakers are getting to much power. Audiobahn says that the ACX680P speakers need 110w RMS each (total power to + - on crossover), so I'm giving them all of that (I have a Audiobahn A240lT amp hookeup to them right now).
Everything should work great right? Wrong. There's an excessive amount of clipping no matter what gain/volume level is used, even though I'm using all the specified equipment and it's all hooked up right (I've checked polarity and all that multiple times). I know that it's clipping for a fact because there's actually 6 blue circular "clipping" lights on the Audiobahn amp that light up whenever clipping occurs, and whenever the volume is turned up the speakers distort like a bitch. I'm thinking that my next option is to get some in-line resistors or something to drop the power getting to my ACX680Ps. I was thinking they can probably only handle about 1/2 of what they're getting.
Let me know your opinion on this matter, and if anyone has any similar problems or experiences/advice with powering Audiobahn interior speakers.
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1992 Lincoln Towncar Cartier
4.6L SOHC Dual Exhaust
Stereo System - Working On It :)
Sounds to me like the input to the amp is too hot. Are you driving the amp off the factory head unit?
Another possibility is that the amp is defective.
Thanks for the reply,
I'm giving the amp a 2.0v RCA signal from my head-unit, and the amp isn't defective - I just found out that Audiobahn rates it's interior car speakers power consumption in PAIRS. So both speakers need 110wRMS, that means that each one really only needs like 50wRMS or so, so I'm giving my front speakers twice as much power as they need - that's why they're sh*ttin out , which would explain why they sound like they're bottoming-out and clipping.
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1992 Lincoln Towncar Cartier
4.6L SOHC Dual Exhaust
Stereo System - Working On It :)
SOUNS LIKE THERE MAY BE A PROBLEM WITH THE RCAS FROM THE DECK IF THE AMP IS CLIPPING NO MATTER WHAT THE GAIN SETTING IS AT TRY USING A DIIFERNT HEAD UNIT IF THE CLIPPING STILL OCCURS IT IS PRBABLY THE AMP
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Steve Sverdahl
Swerksound Auto Electric
Red Deer Alberta