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Re: Dead FM Broadcasting Technologies



You were probably using the old Dolby single channel units (385's?).  They
were basically a card cage with a Cat 22 card stuck in them.  They supplied
the power, trim pots and a bypass switch to the Cat 22. You would have to
have had 16 of these beasts for your system (ouch).  I would guess if you
still had them in the late 1980's early 1990's, you could have plugged in
the Cat 280's for much better sound.

Brian T. Vita, President
Cinema Service & Supply, Inc.
75 Walnut St. - Ste 4
Peabody, MA  01960-5626 USA
Sales: (800)231-8849/Sales Fax (800)329-2775
Bus Ofc +1-978-538-7575/Business Ofc Fax +1-978-538-7550
www.cssinc.com
----- Original Message -----
From: "Roger Kirk" <rogerkirk@ttlc.net>
To: "A. Joseph Ross" <lawyer@attorneyross.com>
Cc: <bri@bostonradio.org>
Sent: Friday, November 29, 2002 11:48 PM
Subject: Re: Dead FM Broadcasting Technologies


> Yes, it was the original Dolby system used for commercial recording.  I
> believe Channel 2 bought eight stereo Dolby A en/decoders for the 2"
> sixteen channel deck they used to record an opera while I worked there.
> It was an old Ampex VideoTape deck gutted out and retrofitted with audio
> head stacks and audio record/playback amps.  IIRC, Dolby A was
> EXPENSIVE!
>
> Roger
>
>
> ----- Original Message -----
> From: "A. Joseph Ross" <lawyer@attorneyross.com>
> To: "Larry Lovering" <larry.lovering@cox.net>; "Garrett Wollman"
> <wollman@lcs.mit.edu>
> Cc: <bri@bostonradio.org>
> Sent: Friday, November 29, 2002 11:38 PM
> Subject: RE: Dead FM Broadcasting Technologies
>
>
> > On 29 Nov 2002 at 16:22, Garrett Wollman wrote:
> >
> > > The Dolby B system for audiotape worked like this:
> >
> > Was there ever a Dolby A?
> >
> > --
> > A. Joseph Ross, J.D.                           617.367.0468
> >  15 Court Square, Suite 210                 lawyer@attorneyross.com
> > Boston, MA 02108-2503                    http://www.attorneyross.com
> >
> >
> >
>