Guess there wasn't a lot of audio processing going on.  Phasing out 
the unwanted sideband and nulling the carrier, leaving the audio 
pretty untouched.  Remember how good a Johnson Ranger and D104 sounded?
Pat, K9JAUAt 05:47 PM 4/1/2015, you wrote:
>They sure did. On those rare occasions when I could get one tuned in
>properly on my Halicrafters S38, they sounded just like AM. At least until
>the receiver drifted up or down. Usually took 3 to 5 seconds. Man, they were
>broad and touchy. A friend of mine had the Apache and SB10 conbination and
>had to renull the carrier before every transmission. Great memories. 73. Lou
>WA3MIX
>Lou Kolb
>Voice-over Artist:
>Radio/TV Ads, Video narrations
>Messages On-hold:
>www.loukolb.com
>----- Original Message -----
>From: "Mike Keithley" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Wednesday, April 01, 2015 5:18 PM
>Subject: Re: phasing vs. filter exciters
>
>
> > The phasing exciters had superb audio quality.
> >
> > ----- Original Message -----
> > From: Pat Byrne <[log in to unmask]>
> > To: [log in to unmask]
> > Date: Wednesday, April 1, 2015 1:39 pm
> > Subject: Re: phasing vs. filter exciters
> >
> >>
> >>
> >> The phasing exciters didn't have very good carrier suppression and
> >> often the unwanted sideband was nearly as loud as the desired
> >> one.  What a difference fifty years makes!
> >> Pat, K9JAUAt 03:01 PM 4/1/2015, you wrote:
> >> >You are probably right, that waws a bit before my time.  I know my
> >> >national ncx 200 tranceiver had a vfo that was same no matter what band
> >> >you were on, they switched crystals.  40 and 15 actually tuned the
> >> >opposite directions, very strange.  Swan, at least the ones I had,
> >> >actually switched vfo frequencies when you changed bands.  No days,
> >> >everything is locked to one master oscilator which is way cool.
> >> >73
> >> >Butch
> >> >WA0VJR
> >> >Node 3148
> >> >Wallace, ks.