The GR 1232A Tuned Amplifier and Null Detector has an 874 connector at the input. It receives audio signals from diode mixer/detectors used in RF measurement systems that mostly had 874 connectors.
Roy sends.
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On Aug 17, 2019, at 11:56 AM, Dale H. Cook <bridgewaterma@...> wrote:
On 8/17/2019 11:40 AM, Roy Thistle wrote:
I don't recall seeing any of them using the 874... probably because they are AF, or RF units?
874 connectors were pretty much universally used on GR RF instruments manufactured after 1948.
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Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA
