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Back to the "Six meter output" subject first....

??? This amp is VERY efficient on 6 meters... around 72% is what I measured here on two of them.?? What this means is that you will easily get 1kw of output on 6-meters SSB with a stout 120v supply voltage.? I wouldn't be surprised if you could do CW or FM at 1 kw.?? This assumes you have a good stout 12vac main circuit.? A whimpy one with a long run of small wire won't cut it, but something up to code should work fine.? These LDMOS devices really start to "sing" at VHF so their efficiency is way up by 50mhz as opposed to mid to low 50s at HF so the demands on the AC line are much less there.

?? The "Pure Signal" jack is for very modern transceivers which employ a circuit that cuts transmit IMD by about 20 or 30db.?? It basically takes a sample of the transmitted signal from your amp via that Pure Signal port, feeds it back to the transceiver which instantly generates a signal 180-degrees out of phase to cancel the undesired IMD out of your passband.? Pretty much the only radio that commonly does this are the various Anan models.

?? Congrats on ordering one, both of mine work well.

Dennis

N0SP

On 6/29/2020 at 9:31 PM, "Steve Shep" <shepsvettes@...> wrote:

Also what is the pure signal jack for.