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Yes, JBL speakers are reversed phase of other brands.
If you have a JBL from 1989, it's not a "D" series, it
would be a "E" series with a ceramic magnet. But,
these are also reverse phase. If you have a JBL and
another brand wired together with one polarity
reversed, it will just sound bad with little, or no
bass. It won't hurt anything other than the sound.
-dave
--- Robb Lowe <> wrote:
>
> Dave (or anyone of knowledge) - does this hold true
> for all JBL's? I have a
> set of D130's from 1989ish in a '66 TR, not sure of
> the wiring at the moment
> but it sounds great as is. What BAD could happen if
> I reverse the wires
> anything?
>
> Robb
>
>
>
> ----- Original Message -----
> From: "dave wronski" <>
> To: <>
> Sent: Thursday, December 09, 2004 6:48 AM
> Subject: Re: [SurfGuitar101] eminence/jbl speaker
> opinions needed
>
>
> >
> > The price sounds OK if the JBL cone is still in
> good
> > shape. If you do end up using these two speakers
> > together, realize that the JBL is "reverse phase"
> from
> > the other brands of speakers. Theat means when the
> > other cone goes out, the JBL goes in. To get them
> in
> > phase, reverse the wires on the JBL {+ to the
> black
> > terminal, and - to the red terminal. Which the
> correct
> > phase will have the most bass responce.
> > -dave
> > --- mono_tones_1 <> wrote:
>
>
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