From: "Gary Poland" 
Subject: Re: [drakelist] Antenna relay- TR4


Rich,
  If its a TR-4, without having the plug in relay mod, then you are going to
have a hard time finding a replacement, if at all. the TR-4 used a hardwired
open frame relay. At one time Drake offered a plug in relay kit for the TR-4
and T4-X/B. I f you can locate one of those or dupicate the PCB your more
likely to fix your TR-4. I suppose with some work you could hardwire a newer
relay in place.
  Later the TR-4C had a plugin 15K ohm relay and later still a 2.5K ohm
relay with the addition of a series resistor. The 2.5K relays are still
around for about $15.00 from Newark.

73, Gary

73, Gary

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