At 05:29 PM 2009-06-10, Stewart Adam wrote:
>Does any one know when the first 1/4" 4 track recorders became 
>available.  Either professional or consumer

Hello, Stewart,

http://richardhess.com/notes/2007/11/26/rca-sound-tape-cartridge-and-quarter-track-reel-introduction-date/

October 1959 just in time for 1959 Christmas shopping--both 
reel-to-reel and the RCA Sound Tape Cartridge format.

Cheers,

Richard


Richard L. Hess                   email: [log in to unmask]
Aurora, Ontario, Canada       (905) 713 6733     1-877-TAPE-FIX
Detailed contact information: http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.