Output transformers and vacuum tubes
5:51
Are toroidal transformers better?
26:53
How do Vacuum Tubes Work?
5:45
Paul explains amplifier gain
6:31
ECE4448 L47: Output Transformers for Tube Amplifiers (Guitar Amplification & Effects, Georgia Tech)
5:09
RCA Tube Manufacturing In Lancaster PA (1966)
3:49
Tube amps and output transformers
25:36
Output Transformers: A Discussion of Basic Principles
8:53