I designed a universal valve amplifier and created the transformers to build this amp. Because the under laying system is universal, many totally different amplifiers can be constructed with this concept.
First Announcement of The Vanderveen Project
Second Announcement of The Vanderveen Project
Third Announcement of The Vanderveen Project
Part 1: The philosophy of The Vanderveen Project
Part 2: Introduction into the Universal System of The Vanderveen Project
Part 3: The Universal System (first section) of The Vanderveen Project
Part 3: The Universal System (second section) of The Vanderveen Project
Part 4: The output transformer GIT80 of The Vanderveen Project
Part 5: The power transformer POW80 of The Vanderveen Project
Part 6: The universal amplifier of The Vanderveen Project
Part 7: How to build the universal amplifier of The Vanderveen Project
Part 8: Ordering transformers and the organization of The Vanderveen Project
Amplifier 10: Pentode Push Pull Amplifier
Amplifier 11: Ultra Linear Push Pull Amplifier
Amplifier 12: Triode Push Pull Amplifier
Amplifier 13: Super Pentode Push Pull Amplifier
Amplifier 14: Pentode Push Pull Amplifier with Cathode Feedback
Amplifier 15: Super Triode © push pull amplifier
Amplifier 16: Triode push pull amplifier with cathode feedback
Amplifier 17: Push pull triode cathode follower amplifier
Amplifier 18: Parallel Push Pull Pentode Amplifier
Amplifier 19: Push pull pentode with twice the output power
Amplifier 20: High power push pull pentode with local cathode feedback
Amplifiers 1-2-3: Single Ended with saturated OPT-core
Amplifiers 4-5-6: Single Ended with quiescent current compensation
Amplifiers 7-8-9: Single Ended with quiescent current compensation plus cathode feedback