[AMRadio] WTB: Coax relay, 110VAC, aux contacts

Bob K6UJ k6uj at pacbell.net
Mon Nov 14 15:37:01 EST 2011


Bud,

I am very interested in the MFJ 1708.  I need a relay to use with my newly acquired Johnson Viking 2
along with a Collins R388.  Also plan to use my Elecraft K3 for receive only along with the Johnson Viking 2  when the going gets tough.
I've been trying to decide on what to get,  the 1708 sounds like it will do everything I need.  I'll check it out.
Thanks for posting the info. Anyone else using the 1708 ?

73,
Bob
K6U



On Nov 14, 2011, at 10:50 AM, BUDW2GLN at aol.com wrote:

> Eric..........
> 
> I just picked up and installed an MFJ Model 1708 RF controlled T/R switch  
> from an add in Electric Radio
> 
> I am using it with my HB pair of  HK-54's  (triodes similar to  812's) and 
> my 75A1 (about 300 watts)
> 
> It is a neat little box that can be controlled by PTT or RF sensing....The  
> PTT and the aux contacts are  brought ought to  RCA  jacks...........Along 
> with an adjustable delay..........IT WORKS GREAT
> 
> I have several Dow type relays but I have found that they become noisy and  
> intermittent
> 
> New, it costs about the same as a good DOW with external contacts that you  
> would find used.  About $59.00 or so.........You can see it on the MFJ  
> site..... _http://www.mfjenterprises.com/_ (http://www.mfjenterprises.com/)  
> 
> I bought it for much less but that was lucky
> 
> 73
> 
> Bud  W2GLN
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