Marshall Amp Modification by Lee Jackson Metaltronix

This is the famous Marshall Modification done by Lee Jackson at Metaltronix in 80's, Which was used by George Lynch, Steve Vai, Zakk Wylde, Warren Di Martini and 1000's of our guitars around the world. And heard on some of the most iconic albums of the 80's and 90's
This video shows you how to modify a Marshall 4 input 100 watt head.
Lee goes through Step by Step instructions, and covers

Testing, Biasing and Final Setup.
Replacing Power Capacitors.
Step By Step Disassembly and Assembly of Amp.
Cleaning and Repair.

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——WARNING Disclaimer—— Tube amplifiers contain high voltages that can be lethal, even if the amplifier has been “OFF” for some time. It is not recommended to open your amplifier or try to perform any repair or modifications, operations, unless you are properly trained in electronics servicing. Lee Jackson, Lee Jackson Amplifiers and/or his affiliates accept no responsibility for accidents resulting in personal injury, death, or destruction of property. As mentioned above, there are VERY large voltages present in your amplifier that can KILL even with the amplifier unplugged from the wall! IF YOU HAVE ANY QUESTION IN YOUR MIND WHETHER YOU CAN DO THIS SAFELY – YOU CAN’T! – SEEK EXPERIENCED HELP

Видео Marshall Amp Modification by Lee Jackson Metaltronix канала Lee Jackson