[DeTomaso] Pantera Stereo/Speaker install question

clay willmott claywillmott at hotmail.com
Mon Dec 15 10:20:12 EST 2008


Thanks for all the responses.
  

Q:When you say "front" and "rear" so you mean the system has a four
channel amp, and you use the fader in the stereo head unit to control
the back to front balance?  If so, and if the amp has no electronic  crossovers in use, then the
tweeters must have capacitors in line to eliminate low frequencies.  If
that is the case, then the woofers are probably getting full-range
frequencies, which is OK.  That being the case, it wouldn't matter
which were front and which were rear.

A:The amp is a four channel Panasonic and it is set on two channel.  The right and left front speakers exit the amp to the door woofers.  The right and left rear speakers as labeled on the amp go to the two tweeters mounted by my knees.   It previously has no cross overs, all speakers seem to have full range.  By this I mean the woofers had high frequency and the tweeters seemed to attempt to deliver bass/static.  The older amp does not have crossovers internally. I have the new speakers and head unit installed already the same way the previous owner had it.  My newer Amp has not arrived yet  as I ordered it later trying to avoid the two box styled crossovers.  Thus I have full range through all my new four components.  Thus can I just wait on the new amp or will I need to get started installing the two crossovers also.

The specific components are Alpine iDA-X100 head unit with the ipod
features, Alpine SPX 17-REF component speakers (6.5 inch) and tweeters
that came with two large crossovers (One for right and one for left ). 
The amp is a Alpine PDX 4 x 100 with built in crossover.  



I was told you need to use the large crossovers and mount in the door
but I would rather not put those in my door and shouldn't an amp with a
built in cross over work just as well?  If it will sound just as good I
would like to Not use the two crossovers.



Also, the last guy put the two tweeters mounted in the panel by the
fuse box on the right and the hood release on the left.  These are
aimed at you knees roughly.  Any place you can stick tweeters that is
relatively hidden and aimed more towards the head?  Trim pieces around
the headliner? 

I hope that makes sense, this is the first time I have done amps, stereo etc work.

Clay
1343



From: chrisvkimball at msn.com
To: claywillmott at hotmail.com; detomaso at realbig.com
Subject: RE: [DeTomaso] Pantera Stereo/Speaker install question
Date: Sun, 14 Dec 2008 18:31:21 -0800








When you say "front" and "rear" so you mean the system has a four channel amp, and you use the fader in the stereo head unit to control the back to front balance?  If so, and if the amp has no electronic  crossovers in use, then the tweeters must have capacitors in line to eliminate low frequencies.  If that is the case, then the woofers are probably getting full-range frequencies, which is OK.  That being the case, it wouldn't matter which were front and which were rear.

If, on the other hand, the amp has electronic crossovers built in, then you should use the high pass channels for the tweeters and the low pass for the woofers.

If the amp has the same crossover options for both front and rear channels, then all you have to do is switch the crossover frequencies from front to back, change the wires for the woofers and tweeters the same, and that's that.

Of course, it would probably be easier just to switch the line inputs from the head unit.  Switch the front to back and visa-versa and that should do the same thing.

If you can give me more detail I can help you more effectively.

Thanks!

Chris
#3846



> From: claywillmott at hotmail.com
> To: detomaso at realbig.com
> Date: Sun, 14 Dec 2008 20:50:50 -0500
> Subject: [DeTomaso] Pantera Stereo/Speaker install question
> 
> 
> I just put in a new stereo and speakers but kept my amp that came with the car for now.  The speakers are component as were the previous (two 6.5 inch woofers and two 1.25 inch tweeters).
> The last guy had the woofers as front speakers and the tweeters as rear.  The tweeters are in the front of the car and the woofers are in the door.
> Shouldn't the tweeters be front and the woofers be rear??
> Also, if my battery is a gel mat is it safe to mount the cross overs behind the battery?
> 
> 
> Thanks in advance.
> 
> CW
> 
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