VERY CLEAVER! I like that. Anything to enable bench testing is always a plus
for me!
Paul
In a message dated 4/3/2004 2:08:57 PM Eastern Standard Time,
nt014b6628@xxxxxxxxxxxxxxxx writes:
>
>
> A simple way to check which terminal is which on a speaker is to
> connect a c or d cell battery to it briefly, if you have the + to the +
> the cone will move out, if you have it the other way round the cone
> will move back, mark the speaker with a permanent marker as to
> which is which terminal and bob's your uncle as we say over here.
>
> Neil London, England. 82 Imp
>
>
>
> ---- Original Message -----
> From: <RandalPark@xxxxxxx>
> To: <mailing-list@xxxxxxxxxxxxxxxx>
> Sent: Saturday, April 03, 2004 6:31 PM
> Subject: Re: IML: Speaker Polarity/Impedance 4,6,8,ohms
>
>
> > The polarity isn't critical, but the speakers should be "in phase" to
> function properly. That means that they are hooked up the same way. When
> they are out of phase, one speaker will vibrate the opposite of the other.
> An easy way to test this is to hook it up one way, turn up the base, if the
> base comes out the back, it is backwards. Both speakers should be connected
> in such a way that the base tone emanates out the front of the speaker.
> >
> > If the original speakers didn't have different connectors for plus and
> minus, or if they are not colored or labeled, it really shouldn't matter,
> but I generally check it anyway.
> >
> > If your radio is designed for an 8 ohm speaker and you install a 4 ohm
> speaker you WILL damage your radio. It is absolutely critical that you
> install the correct impedance speaker for the radio in your car. If your
> radio is designed for a 4 ohm speaker and you install an 8 ohm speaker, the
> radio will not be damaged, but the sound quality will suffer.
> >
> > Paul
> >
> > In a message dated 4/3/2004 9:34:50 AM Eastern Standard Time,
> DONALDDICKINSOND@xxxxxx writes:
> >
> > > Very interesting discussion of front speaker replacement/repair for 67
> imperial. Let me ask the experts on the rear seat speaker for my 67
> convertible. The rear. as opposed to the front, was a standard size which I
> picked up at Radio shack, my questions:
> > >
> > > 1) How am I sure the speaker is connected correctly (polarity)?
> > >
> > > 2) I did not get a "small magnet" but the radio seems to drive it OK
> (except front to back balance favors the front
> > > speaker) what is risk of driving the larger mag?
> > >
> > >
> > > Don Dickinson
> > > Prospect, KY
> > >
> > > 1955 Imperial Newport, Canyon Tan and Desert Sand
> > > 1967 Imperial Custom Convertible, Ivory and Burgundy
> >
> >
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