[Boatanchors] TR switch

[Dennis DuVall]

Doesn’t sound like there’s much to it. You should be able to reverse engineer it with a little careful disassembly and wire tracing..


Dennis D.  W7QHO
Glendale, CA

****************





> On Aug 14, 2016, at 2:11 PM, Ray, W4BYG <w4byg at att.net> wrote:
> 
> I picked up in the distant past, an apparently rare TR switch that I can find nothing on.  Maybe someone on the list has some knowledge or data on it.
> 
> It has no case, labeled: Lynmar Engineering, Philadelphia.  The chassis box is quite small with one side open.  The label says it is a "TRS-2 trans-receive switch".  It uses 2 miniature tubes (one is an OA2 regulator and one is missing).
> 
> My guess it comes from the late 40's or early 50's.
> 
> Sure would like to track down a schematic for it.  Bama doesn't list it. A web search also returns nothing.
> 
> Your attention is appreciated.
> 
> Ray, W4BYG
> 
> -- 
> I'm no longer young enough to know everything!
> 
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