7 - Pin E.F. Johnson Porcelain Ceramic sockets
Type 122-237-200
These are the Originals.
These are E. F. Johnson 7 - pin Porcelain Ceramic chassis mount tube
sockets. They are used sockets but in just about LIKE NEW condition for their age.
They were made in the 1950's, and 60's. and
are simply the very best sockets that were ever made.
They are of extremely high quality and becoming very rare!
These 7-pin ceramic plate sockets are used for 813 tubes. They have bossed mounting holes and recessed rivets that
allow for sub-panel mounting.
Manufacture Catalog #122-237-200.