6BL8

The 6BL8 (European: ECF80) (Russian: 6Ф1П) (P/N 154-0278-00) is a triode-pentode combo vacuum tube with a B9A (Noval) miniature 9-pin base.

Used in

Instrument	Manufacturer	Class	Description	Introduced
125	Tektronix	Power supply	Power supply for the Type 122	1961
129	Tektronix	Mainframe	Plugin power supply	1964
2B67	Tektronix	Plug-in	Time base plug-in	1962
3B1	Tektronix	Plug-in	10 MHz time base plug-in	1962
3B1S	Tektronix	Plug-in	Sampling time base plug-in	1964
3B2	Tektronix	Plug-in	Delaying timebase plug-in	1963
3B3	Tektronix	Plug-in	Time Base plug-in	1962
3B4	Tektronix	Plug-in	Timebase plug-in	1964
503	Tektronix	Oscilloscope	450 kHz differential-input scope	1960
504	Tektronix	Oscilloscope	450 kHz scope	1960
506	Tektronix	Oscilloscope	20 MHz scope	1964
516	Tektronix	Oscilloscope	15 MHz dual-trace scope	1960
549	Tektronix	Oscilloscope	30 MHz storage oscilloscope	1965
561	Tektronix	Oscilloscope	10(4) MHz "General Purpose Scope"	1961
561A	Tektronix	Oscilloscope	10(4) MHz "General Purpose Scope"	1962
564	Tektronix	Oscilloscope	Split-screen storage scope	1962
565	Tektronix	Oscilloscope	10 MHz dual-beam scope	1962
567	Tektronix	Oscilloscope	Sampling scope	1962
67	Tektronix	Plug-in	Timebase plug-in	1961
Telequipment D52	Telequipment	Oscilloscope	6 MHz dual-beam scope	1968
Telequipment D56	Telequipment	Oscilloscope	15 MHz 2-ch scope	(?)
Telequipment S31	Telequipment	Oscilloscope	Low-cost service scope	1958
Telequipment S32	Telequipment	Oscilloscope	6 MHz service oscilloscope	1960
Telequipment S51	Telequipment	Oscilloscope	3 MHz tube scope	(?)
Telequipment S52	Telequipment	Oscilloscope	3 MHz dual-channel scope	1968