Tube-number record
M17-140W
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ClassMonitor Tube
Filament6.3 V @ 300 mA
Construction
Primary TypeOther / special
EnvelopeRectangular flat face
Filament / Heater
Heater NotesIndirect by a.c. or d.c. Not to be connected in series with other tubes.
Absolute Maximum Ratings
Audio Performance
Key Features
- 17 cm diagonal rectangular flat face
- Used as viewfinder in television cameras
Application Notes
This tube has been replaced by type M17-142WE, which features a 1.5 W cathode (6.3 V/240 mA) with short warm-up time.
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