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[email protected] fly_vertical@yahoo.com is offline
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Default Pioneer speakers - D vs A series?

I'm looking to replace the stock rear speakers in my Toyota truck, and
the 6.75 inch Pioneers should be a direct replacement. Prices are
similar for the A-Series and the supposedly "premier" D-Series, does
anyone know if the D-series are better then (or as good as) the A? Are
the A-series speakers good?

My local stores only had the G-series Pioneers to try out, I thought
they were OK, nothing spectacular. I liked the Alpine S-Type, but they
won't fit my truck. Didn't like the Infinity Reference, bass sounded
weak and highs were too shrill. Infinity Kappa's sounded good, but I'm
hesitant to install 2 Ohm speakers when my HU is rated for 4-8 Ohms.

Any advice would be appreciated.

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[email protected] ken.crist@gmail.com is offline
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Default Pioneer speakers - D vs A series?

Well, the Kapa's do sound incredibly great, I installed some in my
friends car, and you can wire them together in series to get them to 4
ohm impedance, or at lease thats what I did. My brother advised me to
do that instead of the 2 ohm its rated.

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D.Kreft D.Kreft is offline
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Default Pioneer speakers - D vs A series?

On Jan 17, 12:57 pm, " wrote:

Well, the Kapa's do sound incredibly great, I installed some in my
friends car, and you can wire them together in series to get them to 4
ohm impedance, or at lease thats what I did. My brother advised me to
do that instead of the 2 ohm its rated.


Wiring voice coils of non-physically-coupled drivers is not a very good
idea. It won't *hurt* anything, but it is suboptimal. Aside from the
drivers interacting with one another on the circuit, you also have the
distinct disadvantage of not knowing which speaker has failed when the
entire side of your car has gone mute.

The only time a series-wiring of voice coils should be done is when the
VC are physically coupled by either:

1. Being on wrapped around the same voice coil former (i.e. a DVC
subwoofer), or

2. In an isobarically-loaded system
(http://mobile.jlaudio.com/support_pages.php?page_id=152)

But yeah, using a 2 Ohm speaker on a head unit is a *bad* idea. Stay
away, unless you really want to let the magic smoke out of your HU. My
suggestion would be to pick a 4 Ohm speaker instead.

The following tutorials will hopefully shed some more light on the
wiring situation; they're about subwoofers, but the same principles
apply to higher-band drivers as well:

Subwoofer Wiring Tutorial:
http://mobile.jlaudio.com/support_pages.php?page_id=161

DVC Tutorial:
http://mobile.jlaudio.com/support_pages.php?page_id=163

-dan

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