B9D base

The 9-pin B9D (Magnoval) tube base (IEC 67-I-36a) is a larger variant of the B9A (Noval) miniature 9-pin base used for higher-powered tubes such as the 8608/EL5070.

click to enlarge

It has nine pins with 1.27 mm diameter in a 17.45 mm pin circle diameter arc.

See also

• miniature B7G 7-pin base
• B9A (Noval) miniature 9-pin base

Links

• https://en.wikipedia.org/wiki/Tube_socket#Other_socket_styles