Antique radios, Old Time Radios
4247
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Country:
United States of America (USA)
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| Identical to |
4247
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| Similar
Tubes |
Normally replaceable-slightly different:
2N257
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| Base |
SPECIAL TUBEBASE in general
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| Description |
PNP germanium alloy transistor intended as AF power amplifier; similar to => 2N257.
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Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
38 x 10 x 27 mm / 1.50 x 0.39 x 1.06 inch |
| Weight |
14 g / 0.49 oz |
| Information source |
-- Schematic
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4247: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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