MAMEWorld Forums - The Loony Bin - Re: question about speakers & amps

> > > > Since you know the amp is OK and the trouble follows one speaker, I wouldn't
> keep
> > > > trying to use that speaker with the amp. You may end up damaging it.
> > >
> > > When you say "damaging it" do you mean that hooking up the bad speaker to the amp
> > can
> > > damage the amp, or just that the speaker will become more damaged?
> >
> > If the problem follows the speaker and not the channel, your speaker is bad. The
> amp
> > appears OK from what you've said. Continuing to use the speaker on that amp could
> > damage the amp. Those PV700/1500's are pretty robust, so it should have been fine
> > with what has been done so far. They usually don't fry until they've been
> over-driven
> > for a few hours.
> >
> > The reason your amp is clipping is that the speaker is drawing too much load. They
> > might be hooked up wrong internally. One of them might be blown. Check the
> diaphragms
> > on the horn, and the high frequency caps.
>
> To get access to the inside of the speaker, would I just pry off the front grill, or
> go through the back? I don't remember seeing a lot of screws on the speaker, other
> than two of them near the back jacks.

I don't recall on that particular model, a few of them were not very serviceable. The two screws in the back should get you access to the wiring. Pulling the grill should get you access to the screws holding in everything else. Be very careful in removing the grill.