Preamp Gain Stages: the Cathode Resistor. GAIN, TONES & THEORY!!!
23:36
Preamp Gain Stages - The Plate Resistor: Values, gain, tones and theory incl load lines!
26:02
Do FIlter Cap Values Matter in a Marshall? IN DEPTH MEASUREMENTS and TONES!!
1:16:33
The Effect of Output Tube Bias on Tone, Gain, and Headroom.....A Side-by-Side Comparison
19:31
How the cathode resistor cleans up vacuum tube amplifier performance
18:31
Diezel VH4 KT77 vs 6L6. TONES, RE-TUBE & BIAS.
22:03
Vacuum Tube Gain & Gm Calculations & Some Insight Into Transformer Inductance and Impedance
28:07
Tube Squeal and Hum, 1st Stage Pre-Amp Grounding
25:24