[SixClub] National TRM 56 mc transceiver

kd4e doc at kd4e.com
Tue Mar 9 16:42:27 EST 2010


swap.qth.com

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National TRM 56 mc transceiver

Note: I found pictures and details here:
http://www.io.com/~nielw/TRM_TRW/TRMpage.htm
Also, the seller says: "It is the one without the battery 
compartment, I also have headphones that would go right 
along with the rig. I'm looking for as much as I can get. 
I'll have pic's this weekend."

     This is an old transceiver made by National in 1933.2 
tubes are used a 30 and a 33tpe 30 was used as a self 
blocking super regenerative detector, transformer coupled to 
the type 33 used as a audio amplifier. When used as a 
transmitter the type 30 tube functioned as an oscillator and 
the type 33 as a modulator. Provision is made for using a 
single wire antenna or any of the various doublet zepp 
types. Made me an offer I can't refuse. you pay shipping 
from zip 43110. weight is about 20lbs.
     Listing #809816 - Submitted on 03/09/10 by Callsign WB8JBG

-- 

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