Table of Contents for Free Antentop Amateur Open Book

QR0 HF Tube Amplifiers



Custom Search

2x GI- 7B PA

2xGU50 and 3xGU50 PA from UA1TAT

Linear Power Amplifier on G811

PA 2xGU50. Photos of the Design

PA 3xGU50. Photos of the Design

PA 5xGU50. Photos of the Design

Pictures of the Real P.A.

Practical Photos for P.A. on Tube GU-43B








Lightning Links to Open Book





Just for Fun:

Map IP Address


Thanks for your time!

Last Updated:

February 6, 2018 22:02