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This project is to see if a four-watt-per-channel amplifier using 6SN7s as output tubes is practical.
6SN7 Amplifier Project
Using sound pressure levels to determine amplifier output wattage that produces sound levels suitable for home audio systems.
Why They Make Sense
This current version of the book includes technical information from previous versions plus a more detailed example of amplifier design and assembly. Using a concise format, 110 reference pages cover technical information that pertains to vacuum tube circuits. Design examples take you through the steps of fabricating a traditional chassis layout and designing a Class A stereo amplifier (pictured on the book cover).
The file download version of the book Vacuum Tube Amplifier Basics has an extended price reduction of 50% for the month of August, 2025.
Russell O Hamm paper, tubes versus transistors Class D, Class A & Class AB Loudspeaker distortion Selecting capacitors for the best performance Amplifier damping factor Push-pull balance - W T Cocking Cathode follower output Amplifier design for tube rolling 12AT7 Balanced input Half-watt 6SN7 headphone amplifier
Danger High Voltage
be careful where you put your hands
This is the home page for EJ Jurich
author of the book
Vacuum Tube Amplifier Basics
© 2014 -
All Rights Reserved.
EJ Jurich
PO Box 3416
Des Moines, IA 50316
last update 07/16/2025
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