[Kenwood] Various previous posts on keying older amps with newer low voltage rigs.

[Roger (K8RI)]

On 2/11/2013 7:50 AM, Bill wrote:
Icom, Yaesu, Ameritron, MFJ, used to be Henry radio, IE: most amp 
manufacturers with a few exceptions.

They are just a simple interface.

73

Roger (K8RI)


>
> Here is an article on keying an older amp.
> http://www.eham.net/articles/22194
>
> W2ENY makes a relay for Icom and I believe he has one for Kenwood as well/
>
> http://www.ab4oj.com/icom/auxrelay/main.html
>
> This also from Adam some time ago
> Yaesu makes a neatly packaged auxiliary keying relay, the FRB-757, which
> interfaces the low-current keying line of a modern transceiver to the
> high-current keying relays of many tube-type amplifiers. The FRB-757 is
> fitted with RCA-ended pigtails which  plug into the transceiver and the
> amplifier; it requires an external 12V DC source. I believe that the
> FRB-757 is still available from dealers, and costs approx. $30.
>
> http://www.qsl.net/icom/auxrelay.html
>
> I have more posts I've saved over the years. I think I have an FRB-7575
> somewhere. I know I have the W2ENY relay and still have the home brew
> one buried. I was ready once...
> Bill Marx W2CQ
>
>
> ______________________________________________________________
> Kenwood mailing list
> Home: http://mailman.qth.net/mailman/listinfo/kenwood
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Kenwood at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>