Negative Feedback Loops and the Fender Presence Control
23:24
Tube Lab #53 Negative Feedback
1:16:33
The Effect of Output Tube Bias on Tone, Gain, and Headroom.....A Side-by-Side Comparison
8:43
Negative feedback in audio
34:24
TS1 Tone Stack Concepts
47:04
1968 Fender Bassman AB165 gets Caps, Tubes, and a Dynamite Switchable NFB Loop
20:17
Make the PERFECT LM386 audio amplifier?
49:05
What every part does in a Fender Champ 5F1 vacuum tube guitar amplifier
8:19