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1. 03:55 PM - Thoughts on Planar Drivers in near feild automobile use...? (Randy Visentine)
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| Subject: | Thoughts on Planar Drivers in near feild automobile use...? |
--> XDP4000X-List message posted by: Randy Visentine <jvisentine@yahoo.com>
I am looking for a small (and low profile) yet
versatile driver for use as a mid (or even a
mid/tweet) for my front stage for A-Pillar mounting.
I came across the "Bohlender Graebner" brand of Planar
drivers in the Parts Express magazine. They are
simular to ribbons in size, but appear to be much more
durible. I see the "Neo8-PDR" Planar transducer with
a dimension of approx 8" x 2.5" x .5" deep. It has a
frequency range of (useable) 500Hz - 20KHz (A true
mid-tweeter). A 4 Ohm impedance and 40W RMS/120W
Music power handling with 92.5dB SPL @ 1Meter! Seems
too good to be true from a 1/2" deep driver that would
fit nicely on an A-Pillar.
Does anyone have experience with these or any simular
Planar drivers in near-feild charachter (like 1 to 2
feet away)? They state very uniform coverage, and the
wide frequency range would allow me to run subs to
78Hz, 8" Vifa mid-bass in the doors from 78 - 500Hz,
and the Planar drivers in the a-pillars from 500Hz up.
This seems to be a good option, but I am scared they
might not be a good near feild type driver (too harsh,
or bad dispersion). If this does not pan out, I will
likely go with some Tang-Band 2" or 3" mid drivers (A
Pair in each A-Pillar) and run some Vifa Dual
Concentric or Scan Speak Ring Radiators for the
treble.
I really want to get my midrange to chest level, but I
don't want a 6.5" pod on my a-pillar! I am willing to
compromise a 500Hz crossover from the doors to the
A-Pillars, and this seems to be the ticket.
The Planar drivers are only $63 each from Parts
Express, so it is a bargain to boot!
I eagerly await any input on Planar Drivers...
PS - For comparison I am running MB Quart PSC216
Bi-Amped on a Sony XM-7547 and I am happy with them,
but I want to get a bit more "air" and transient
detail, and also raise my entire soundstage up to
chest level.
Thanks to Matt for keeping this forum up and running
even though the XDP-4K is long out of production ;) !
Randy V
Audiophile/Musician/Crazy Guy
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