From: ehawrysh@bmers217.bnr.ca (Evan Hawrysh)
Subject: Re: Hey Evan! Re: Mustang speakers...
Keywords: Mustang
Organization: bnr
Date: Fri, 28 Aug 92 16:00:50 GMT


My apologies, I neglected to mention that I do not have email access. I hope
I'm not violating any net protocol by posting semi-personal messages here...


In article <1992Aug27.213248.8081@porthos.cc.bellcore.com>, mf@dancer.uucp (24241-fusco) writes:
...
|> >>  I also have power windows so I guess the T-51's won't work to well in 
|> >>the doors.  I have always liked the JBLs.

The JBL's can be top-mounted and I think have a depth of around 2.5".
I confess that I haven't seen the window mechanism on a power window setup,
but I understand that the drive motor is located right around where the speaker
hole is. But I guess if you find a slim enough driver, you're okay.

|> >>  Do you have them hooked to the stock deck unit thru a new amp?
|> >>  Do the 5x7 or 4x6 fit ok in the rear (seem to be on the rear strut assembly)
|> >>and I guess you have to use the supplied grills (but can they be mounted 
|> >>securely to the body)?

If you look at some of the plate speakers by Sony or Pioneer (I'm sure 
there's more), they should be direct bolt ons. Pioneer makes some
custom-fit 2-ways that bolt right on, but they lack in power handling if
you're going to be driving them with an external amp. If you choose to go
with big 6x9's, (I stuck in pair of Legacy LS6920's), they can be placed such
that the magnet rests against the insulation, and with a mounting support for
the front (I just used the speaker grill frame that came with the 6920's),
they can be secured with the factory grill projections and even the screws
that hold the factory grill on.

|> >>  I wonder if mine is an integrated unit and, if not, how
|> >>well does the stock deck interface with an aftermarket amp?

If you have the external amp, you should have no problem interfacing it. 
Otherwise, its back to the old speaker-line level converters.

|> >>  Finally, I thought that by using cross-overs you supply separate power 
|> >>to each set of speakers (or each in a set).  Why do you have 2 amps and a 
|> >>3-way xover and what does this buy you over one decent amp?

My setup: 	Alpine 7903 CD tuner (no internal amp) is connected to a RF preamp.
The preamp provides front and back full range line-levels to a Coustic XM-3
under the passenger seat. The XM-3 sends a front signal (high pass at ~100Hz)
to a HiFonics Cupid 2ch amp beside the XM-3. It runs to the JBL passive
xovers which separate the tweets from the mids. I stuck an inductor in the
doors to low-pass the mids as the passive xover lets it go full-range).

The rear output of the XM-3 drives 2ch on a Sony XM(or is it MX)-3040 which
drive my 3-ways. I high-passed them (with the XM-3) at 100Hz as well, to
prevent distortion. The sub output of the XM-3 drives a mono signal to the
Sony (under the drivers seat) (w/ the other two channels bridged) and 
drives an isobaric tube. 

With two amps, I can use smaller amps which fit nicely, rather than one
big one that I don't know where I'd put it. I also benefit from F-R fading
and make full advantage of the RF.  
			
|> >>...................................................................
|> >>Marc Fusco				mf@dancer.cc.bellcore.com
|> >>Bellcore
|> >>PYA 2J-323				(908) 699-4924
|> >>3 Corporate Place
|> >>Piscataway, NJ 08854			(908) 336-2275 FAX
|> >>...................................................................

Hope this helps.

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    Evan Hawrysh VE3MAN					"Sweatin' like steam and you can feel
	Bell-Northern Research				the flow when I'm rollin', in my 5.0"
	Ottawa, Ontario												- Vanilla Ice
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