8425 - TekWiki
The 8425 (P/N 154-0022-07) is an RF pentode vacuum tube.
Some instruments using part 8425
Instrument
Manufacturer
Class
Model
Description
Introduced
310A
Tektronix
Oscilloscope
310A
4 MHz oscilloscope
1959
317
Tektronix
Oscilloscope
317
10 MHz 3" tube scope
1959
3A72
Tektronix
Plug-in
3A72
Dual channel amplifier plug-in
1961
526
Tektronix
Audio/Video
526
NTSC Vectorscope
1959
Q
Tektronix
Plug-in
Type Q
Strain gauge preamp plug-in
1960