[Miata] NB stereo system upgrades

Dillon dillon.boyer at gmail.com
Fri Apr 6 13:03:22 CDT 2007


Hi guys,

The Bose head unit in my '99 died over the summer.  At the time, I replaced
it with a Nakamichi CD-400 cd-player (really classy, no bells and whistles,
looks stock).  Of course since I was dealing with the craptacular Bose
setup, I also had to replace the 0.5ohm proprietary Bose speakers with 4 ohm
speakers, and bypass the little Bose amp.  I used a set of Infinity
Reference 6.5" components that I had lying around, and powered them off the
HU.

Now I'm ready to upgrade :)

So I've been shopping around for amps and new speakers.  I'm currently
looking at picking up an older 4 channel amp (4x50watts RMS @ 4 ohm @ 12v,
well regarded for sound quality) that is 11"x6.5"x2".  That should power my
current speakers (or whatever I upgrade to) just fine.  I'm also thinking
about picking up a 2 channel amp (2x100watts RMS @ 4ohm @ 12v) that has the
same dimensions which I could use in the future to power a small sub.

I've been looking for a narrow amp (6.5" or less) so that I could fit it in
the right-side tunnel between the trunk and passenger cabin so I don't have
to sacrifice any trunk space.

So ... my question is how long is the tunnel?  I know the 6.5" will fit
width-wise, but could I fit two amps requiring about 22-25" lengthwise?

I'm also curious to hear what other owners (especially NB owners) have done
to mount amplifiers in their cars.

Regards,
Dillon
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