Biasing Double-Ended Amplifier Output Tubes, Part 1: Basic Explanation & Methods

How Tube Amplifiers Work, Part 1: The Power Supply

Conversion of a PCB Amp Circuit to Point-to-Point: Fender Champ 600 to 5F1

Power Supplies, Part 4: The Voltage Doubler

How to Scratch-Build a Vintage Amp, Part 1: Research and Methods

Let's Scratch-Build the SUPRINCETON......Part One of a Series

Oscilloscope Basics, Part 1: Discussion, Y-Axis (Voltage) Controls, Probe Calibration

How Tube Amplifiers Work, Part 2: The Pre-Amp and Power Amp

Home Made Compact Leslie Speaker Unit: Construction and Function

Two Types of Tube Amplifier Hum and How to Determine the Source

Converting the Fender Princeton to Adjustable Grid Bias

Phase Inverters....for the Common Man

Scratch-Build of a Single-Ended KT88 Amp.......Part 3

Let's Add REVERB to a Vibro-Champ Circuit......Part 1

Let's Repair the Nicest 1964 Fender Deluxe Reverb in the Universe ;)

1960's Alamo Dart Guitar Amp: Ressurected from the Dead