Title
Vacuum tube type 12HG7/ 12GN7Catalog Number
102731266Type
Physical objectDescription
This record contains a type 12HG7 glass neonoval sharp-cutoff pentode tube. The RCA logo is visible on one tube.Place Manufactured
Great BritainIdentifying Numbers
Model number | 12GN7. | Printed at the top of the tube in white |
Model number | 12HG7 | Printed at the top of the tube. |