Antique radios, Old Time Radios
LS9B
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Telephony |
| Filament |
Vf 2 Volts / If 0.15 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
Amplification factor 30. Also GPO type VT 80A.
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Dimensions (WHD)
incl. pins / tip |
x 108 x mm / x 4.25 x inch |
| Information source |
Babani, International Radio Tube Encyclopaedia Page 118 & 119
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LS9B: Fin Stewart
Fin Stewart
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Just Qvigstad
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