7025

The 7025 is a dual triode vacuum tube with a B9A (Noval) miniature 9-pin base, essentially a high-rel, low-noise version of the 12AX7.

Some instruments using part 7025

Instrument	Manufacturer	Class	Model	Description	Introduced
Keithley 660A	Keithley	Multimeter	660A	Differential voltmater	1968

Links

• 7025 @ radiomuseum.org