valve

Hi everyone, I was wondering what is your opinion on cheap tube mic preamps such as the MIC 300 from Behringer or Alto ? Before anyone raises a hue and cries about how low quality Behringer stuff is, I want to underline that I'm completely aware that in no ways would a 60$ piece of gear be...

One of my next projects is a valve amplifier. I built many solid state amplifiers and I'm very happy with these. I always considered valve amplifiers as being vastly inferior to solid state one but nevertheless I would like to build one to measure it and to listen to it. From all the available...