Re: [ARSCLIST] Non-RIAA preamp

[steven c <stevenc@xxxxxxxxxxxxxx>]

----- Original Message ----- 
From: "Richard L. Hess" <arclists@xxxxxxxxxxxxxxx>
> At 09:56 PM 9/9/2006, Steven C. Barr wrote:
> >Oddly enough, I suspect there may be...based on a rather odd turn of
> >personal
> >experience! About 20-odd years ago, I had a Heathkit receiver...forget
the
> >model. Anyway, it had been written up in audio magazines as probably the
> >best receiver then available...and it had (I think only in FM stereo
mode)
> >a "Phase" control which could be used to put the two stereo channels in
> >correct phase (a problem so far not mentioned in this thread).
> >
> >All I know is (was) that the control had a very noticeable effect on
> >the sound!
>
> What did this control do, exactly?
>
> Did it:
> change polarity on one channel?
> change polarity on both channels?
> use an all pass filter to continuously adjust the phase of one
> channel to the other?
> change the stereo "width"?
> other mode?
>
I'd have to look it up in the manual (which I still have, unlike
the receiver!)...however, it was continuously adjustable as opposed
to being a switch!

Steven C. Barr