Modding a Marshall DSL100H - ADDING A FILTER CHOKE!!

Modding a Marshall DSL100H - TONES AND DIY GUIDE!!

Restoring a '83 JCM800 50w 1987 'Plexi'. RESTORATION, BROWN SOUNDS & CIRCUIT TWEAKS!!

Do FIlter Cap Values Matter in a Marshall? IN DEPTH MEASUREMENTS and TONES!!

Marshall SC20H S.I.R. #34 - TONES AND FULL DIY MOD GUIDE!!

What does the Choke in a Tube Power Supply do?

Headfirst Modded Origin 20 - José Diode Clipping DIY Guide

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

Phase Inverters....for the Common Man

Increasing the Main Filter Cap in an Amplifier - What Happens?

4-20mA Current Signal? Wiring, Scaling, Programming, Troubleshooting

STEVE VAI'S JOSE MODDED MARSHALL! AMPS IN THE ZONE #3

Marshall JCM800 2204 vertical vs. horizontal input. SPOILER ALERT: mod to vertical spec!!

Marshall TSL 122 | Destroyer of Valves

Headfirst modding an Origin 50

Master Volume Mods for Marshall and Fender Style Tube Amps

How to use a Digital Oscilloscope...to test your tube amp! AT THE BENCH!

Preamp Gain Stages: the Cathode Resistor. GAIN, TONES & THEORY!!!

How Tube Amplifiers Work, Part 1: The Power Supply

How to Fix Marshall JCM800 Annoying Hum

Soldano SLO-100 | One HELL Of An Amplifier