Jeff: Check also the keying requirements for your tube amp and ensure that they are within the switching range of the K3 - i.e. 0 to +200Vdc and less than 5 A. Note that the K3 is not designed to key a negative voltage that some of the old tube amps provided.
Good Luck Doug, VE3MV K3/100 #2432 ----- Original Message ----- From: "Dave G4AON" <[email protected]> To: <[email protected]> Sent: Saturday, March 28, 2009 4:19 PM Subject: Re: [Elecraft] amp tune > Jeff, sounds like you are connecting your linear keying line to "PTT IN" > and not "KEY OUT" as you think you are... Check the connection. > > 73 Dave, G4AON > K3/100 #80, Acom 1000 > ---------------------------------- > > I'm trying to setup my K3 to tune my tube amp. I have TUN PWR set to 25 > watts. when I long press the tune button the K3 goes into transmit at the > selected 25 watts, in CW mode, but the amp doesn't key. If I press the PTT > on the mic the amp goes into tx. I must have a menu set wrong? The only > connection to the amp (other then the coax!) is the RCA connector key out on > the K3. on Tuner is in bypass, ext ALC is OFF. Any ideas?? > > 73 Jeff kb2m > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > -- I am using the free version of SPAMfighter. We are a community of 6 million users fighting spam. SPAMfighter has removed 1012 of my spam emails to date. Get the free SPAMfighter here: http://www.spamfighter.com/len The Professional version does not have this message ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

