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ID = 21816
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to M28-12GM

Base 7-pin miniature with base glass top CRT
Filament Vf 11 Volts / If 0.06 Ampere / Indirect

Rectangular monitor-tube, electrostatic focus, magnetic deflection.

Text in other languages (may differ)
Weight 2200 g / 77.60 oz
Information source
M28-12GM: Sammlung: oskarelm
Oskar Elm

M28-12GM: Telefunken Taschenbuch 1971
Anonymous 15 Collector

M28-12GM: Telefunken Taschenbuch 1971
Anonymous 15 Collector

from Just Qvigstad

Usage in Models 1= 1976?? ; 1= 1978?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Forum contributions about this tube
Threads: 1 | Posts: 1
Hits: 1678     Replies: 0
M28-12GM (M28-12GM)
Daniel Burkei

Bei Helmut Singer werden diese Röhren derzeit NOS und auf AEG gelabelt, als Ersatzteil für SWOB 3, SWOB 4 und SWOB 5 angeboten.

hier der Link zur Website

hier der Link zum Bild


D. Burkei

End of forum contributions about this tube

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