ARS NB9M

1953 Sylvania Tube Substitution Book (PDF)


Resources 0 Comments 05/13/2018  

Excellent quality scan of one of the best tube subsitution resources ever made.  Print it and save it!



VIEW News Item

Heathkit SB-104A Station for Sale - $450

Click the For Sale above to see all items for sale.
VIEW News Item

Bob, W9RAN, announces the VERSA-TR

Featured in the December 2018 issue of QST
VIEW News Item

Check Out the National NC-183D!

Thanks to Jerry, K9GAS, for this superb example.
VIEW News Item

Build Your Own Altair 8800 Personal Computer

Go back to 1974 and the dawn of home computing with this Arduino-based kit
VIEW News Item

SK: John Clemens, W0BD

Designer of the Mosley CM-1 Receiver
VIEW News Item

Philo T. Farnsworth Fiasco

Forgotten Relics of Inventor of Electronic TV
VIEW News Item

New Arrival: Swan 700CX SS-16B Transceiver

This 1974 powerhouse features two 8950 PA tubes and a 16-pole filter.

(There are currently no Blogs.)