[Milsurplus] Collins automatic antenna coupler / tuner

[Francesco Ledda]

It is pretty much the same unit. It seems to be part of a set up to replace the original pieces of the ARC-38A with the 618T. That is my guess!

I got one running with no problems. 

Sent from my iPhone


On Apr 11, 2011, at 8:26, Jim Whartenby <antqradio at sbcglobal.net> wrote:

> I just acquired a 490T-9 which looks much like a 490T-1 with the exception of an 
> added fan and a ceramic / metal vacuum variable capacitor instead of the usual 
> glass.  Because of these differences, I suspect that the power rating is above 
> the 630 watts of the 490T-1.  Does anyone know for sure?
> 
> Will the manual found on the web for the 490T-1 apply as well to the 490T-9?
> Jim
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