Antique radios, Old Time Radios
AK1_US-7pin
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Country:
Australia
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Brand:
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Philips Australia |
| Tube type: |
OCTODE Frequency converter Controlling (mu) |
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Ca. 1925 up to 1945 rare. |
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| Identical to |
AK1_US-7pin
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| Similar
Tubes |
Other base:
AK1
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| Base |
7-Pin-Base U7B = medium, old, USA
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.65 Ampere / Indirect |
Dimensions (WHD)
incl. pins / tip |
45 x 129 x 35 mm / 1.77 x 5.08 x 1.38 inch |
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AK1_US-7pin
Peter den Boer
More ...
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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Variants
This AK1 has a label around the base with the text: "This Philips valve was part of a half-ton aerial shipment handled by Imperial airways KLM, QUANTAS and New England Airways, and which established a world's record in aerial freighting for distance, weight and speed. Arrived Sydney 5/4/35 - 13 days from Europe."
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