Jim W6LG tests his homebrew amplifier at 1500watts output using a homebrew sampler and TinySA. The results are very good at 45dB and 46dB with careful tuning for maximum output and help from George W6BDD. The Elecraft KPA500 had surprising results.

To support the channel:   / jimw6lg  

You can see Jim W6LG as a cohost, health permitting, on Amateur Radio Roundtable every Tues night on w5kub.com at 2100Eastern, 2000Central, 1800Pacific and 0200z. You can see more information about Tom Medlin and the others by going to W5KUB.com.