Tube Lab #7 12AT7 Rolling for 12AX7

Tube Lab #18 Russian 6N2P

Tube Lab #8 12AU7 Rolling

Tube Lab #6 12AX7 Tube Rolling

Tube Lab #13 How to Identify Mullard & Philips Tubes

Lecture 1: Introduction to Power Electronics

TITANIC build 26

Tube Talk - part 1 The 12AX7 tube (ECC83, 7025, 6N2P)

Tube Lab #119 - 12AX7 Tube Revisited

PCB parameters - Df and Dk

Phase Inverters....for the Common Man

Tube Lab #24 Tubes for the Willsenton R8 Amplifier

Tube Talk - German made ECC83/12AX7 (Telefunken, Siemens, RFT)

How Tube Amplifiers Work, Part 1: The Power Supply

Tube Amplifier Repair, and what to look for.

Are Your Capacitors Installed Backwards? Build this and find out

Tube Lab #208 - Cathode Follower (revisited)

How A Tube Works

The McIntosh MI-75 Tube Amplifier: Ep 1- Intro - Compared to MC275 MC75 Vintage DIY

CompTIA A+ Certification Video Course

Testing Capacitors - Simplified and Explained - BG029