Tube Squeal and Hum, 1st Stage Pre-Amp Grounding
![](https://i.ytimg.com/vi/HCKq1fa3IxA/mqdefault.jpg)
11:57
120Vac to 110Vac Step-down Transformer for Vintage Amps
![](https://i.ytimg.com/vi/3fdkUvnmI9w/mqdefault.jpg)
20:09
Hum Neutralizer Circuit For Tube Amps
![](https://i.ytimg.com/vi/DId3utw5NJY/mqdefault.jpg)
28:36
Understanding Vacuum Tube Amplifier Schematics - Grounding - Part 6
![](https://i.ytimg.com/vi/fengCFHQvtY/mqdefault.jpg)
13:36
The Tube "Squeal"
![](https://i.ytimg.com/vi/9AABLml-ERE/mqdefault.jpg)
16:11
Let's design an build a vacuum tube amplifier from scratch
![](https://i.ytimg.com/vi/aczStSg37rI/mqdefault.jpg)
28:15
Tube Lab #28 Prototype E80cc Preamp Circuit & Grounding
![](https://i.ytimg.com/vi/ucG3s863x1c/mqdefault.jpg)
19:59
ECE4448 L46: Biasing Single-Ended Power Amplifiers (Guitar Amplification and Effects, Georgia Tech)
![](https://i.ytimg.com/vi/ORjsSfab278/mqdefault.jpg)
19:14