• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

300B pepsi challenge

Hi guys!

I'm looking for new 300B for my amp and I dont know what to buy.(of course I would like Western electric, but...€€€)

what is your favorite 300B tube?
did you tried several brands in a side by side configuration?

My current 300B are Audio Note brand, but actually they are chelmer valve.