Diary: All JFET mic preamp test PCBs and ramblings

Dear Diary, I’m actually a tube guy, but I’ve recently started experimenting with JFETs. I’ve got a few left over from building microphones and am currently trying to upgrade my beloved classic camera with a better mic preamp section. Battery power is the way to go, so tubes are more or less out of the question because the heater would severely limit the running time. In the world of valve amplifiers, I’ve had very good experiences with John Broskie’s Aikido circuit, and I’ve long been... Read more