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ID = 31636
Brand: Philips Argentina, FAPESA, Miniwatt tubes; Buenos Aires
Tube type:  Mag. Eye, 2 ranges, 2 shadow angles   Indication 
Identical to PM5_MagicEye
Similar Tubes
Heater different:
Multiple differences or of other kind:

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel, (AC/DC)

Dual range - 0 to 5V and 0 to 15 V, Supply voltage 200 with 1M anode loads.
Shadow angles 5 to 90 degrees for full ranges.
Known brands are Philips and Telefunken
See also: Mysterious P-, O- and U- tube-series

Information source Babani, International Radio Tube Encyclopaedia   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   
PM5_MagicEye: RTT Schwandt
Günther Stabe


from Just Qvigstad

Usage in Models 1= 1945?? ; 1= 1948?? ; 1= 1950??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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