FS: Heathkit GDA-1158 Security System

[Bob Groh]

More house cleaning.  I have a complete Heathkit Security system for
sale - perhaps a bit more interesting because it is a 'proof build',
i.e. a pre-production kit built by an Heath employee as a test of the
kit building process.  Paper work includes a memo to the proof builders
dated Nov. 15, 1974 from Bjorn Heyning.  For us that worked at Heathkit,
proof build's were eagerly sought after ... but enough nostalgia, here
is what I have:

GDA-1158-1      Central Processor
GDA-1158-2      PLL Ultrasonic Detector
GDA-1158-3      On-Off Transmitter
GDA-1158-4      Emergency Transmitter
GDA-1158-5      Early Warning Fire Detector
GDA-1158-6      PLL Transmitter
  and 1336      Test Board

Plus manuals for all - some are pre-production copy and a few have full
production manuals.

All of these seem to be in 'as new shape' ---- they are built --- I have
tried NONE of them so you'll get them strictly 'as-is'.

If you have any interest, drop me an email directly (bob.groh at ieee.org)
and we'll talk.

73
Bob Groh, WA2CKY
'Heathkit guy from 1977 to 1981'

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