[Vintage-Audio] Re: [Hallicrafters] New Vintage Audio List

Tue Apr 30 18:54:05 2002

Since communication grade audio is only about 3 KHz wide
with a little frequency multiplexing you could get 3 or 4
transmissions in each of the four tracks for a total of
12-16 different frequencies. Or convert them the MP3 and you
could get 60 of them on a CDR..

Bob, WB6JPI

[email protected] wrote:
> 
> Thanks Duane. Missed those words. Maybe I would call it Quad Audio
> Diversity (QAD). With the addition of a 4 channel tape deck, one can tape
> four separate transmissions on four different frequencies at the same
> time or in any combination.
> Pete
> 
> On Tue, 30 Apr 2002 14:14:44 -0400 "Duane Fischer, W8DBF"
> <[email protected]> writes:
> > Peter,
> >
> > ":Including, but not limited to;" Does that answer your
> > question?
> >
> > So what does one call the quad system you described? Quad
> > Diversity?
> >
> >         One thing is for certain, it would be ideal for 'heavy'
> > metal!
> >
> > DBF
> >
> >
> > ----------
> > From: [email protected]
> > To: [email protected]
> > Subject: [Vintage-Audio] Re: [Hallicrafters] New Vintage Audio List
> > Date: Tuesday, April 30, 2002 1:07 PM
> >
> > Duane:
> > Since 4-channel "Quad" equipment first started to appear late in 72,
> > will
> > you permit discussions relevant to this stuff? You made no mention
> > of it
> > in your ground rules. Can you picture 4 boatanchor receivers with
> > their
> > diode outputs going to four inputs in the 4 channel receiver or
> > amplifier
> > for simultaneous, or individually controlled, audio output in
> > phase/out
> > of phase, etc. then connected to a 4 channel tape deck for
> > simultaneous
> > recording of the reception of the 4 receivers.
> > Pete
> >
> > On Tue, 30 Apr 2002 11:55:41 -0400 "Duane Fischer, W8DBF"
> > <[email protected]> writes:
> > >
> > >
> > > Hi All,
> > >
> > > In an effort to more effectively cover the scope of tube type
> > audio
> > > equipment,
> > > the former list known as: old-tube-stereo has been turned off. It
> > is
> > > now known
> > > as vintage-audio. If you were subscribed to the old list, you are
> > on
> > > the new
> > > list. You need to do nothing but contribute and enjoy.
> > >
> > > Appropriate topics for discussion here are:
> > > Vintage home and professional audio equipment from 1975 back.
> > > Including, but not
> > > limited to; Stereo and Mono amplifiers, AM or FM or AM/FM tuners,
> > > record changers or turntables, cartridges - needles - stylus for
> > > changers or turntables, mixers, microphones, speakers, speaker
> > > enclosures, reel to reel tape decks and tape recorders, tuner
> > > antennas, reverb units, eight track players etc.
> > >
> > > Please join with us for some great sound of days gone by revisited
> >
> > > and revived.
> > >
> > >
> > > Duane Fischer, W8DBF
> > >
> > >
> > > _______________________________________________
> > > List Administrator: Duane Fischer, W8DBF **for assistance**
> > > [email protected]
> > > ----
> > > Hallicrafters Collectors International: http://www.w9wze.org
> > > ----
> > > http://mailman.qth.net/mailman/listinfo/hallicrafters
> > >
> >
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> >
> 
> ________________________________________________________________
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> ** For Assistance: [email protected] **