6BQ7

The 6BQ7 is a dual triode vacuum tube with a B9A (Noval) miniature 9-pin base. It is used in the 315.

See also 6BQ7A (ECC180).

Some instruments using part 6BQ7

Instrument	Manufacturer	Class	Description	Introduced
315	Tektronix	Oscilloscope	"Portable" tube scope	1952

Data

• 6BQ7: g_m = 6.0 mA/V; µ = 35
• 6BQ7A, ECC180: g_m = 6.4 mA/V; µ = 38

• 6BQ7@ radiomuseum.org