This tube has 9 connector pins. "TUNG-SOL" and "MADE IN U.S.A." are printed in white on the side of the tube. The box is white and without text, with the exception of "12AT7" being printed in black on the top panel.
Manufacturer
Tung Sol Lamp Works
Place Manufactured
U.S.
Identifying Numbers
Other number
311
Printed in white on side of tube
Other number
JTL-12AT7
Printed in white on side of tube
Part number
12AT7
Printed in grey near top of tube and in black on the box
Dimensions
box: 3 in x 1 in x 1 in; tube: 2 1/8 in x 13/16 in x 13/16 in
