Antique radios, Old Time Radios
705WA
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Half-Wave Vacuum Rectifier Text |
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| Identical to |
705WA
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| Similar
Tubes |
Other class quality (otherwise equal):
705A
; RK705A
; VT-255
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| Base |
Medium 4-pin, ceramic disc
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 5 Volts / If 5 Ampere / Direct |
| Description |
HV vacuum rectifier, 30KV PIV at 100mA. High-rel version of the 705A with bonded thoria filament, graphite anode and cap on glass stalk. Rated for 300G shocks. UX-like four pin base, with a notched ceramic wafer.
Made by United Electronics.
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Dimensions (WHD)
incl. pins / tip |
57 x 124 x mm / 2.24 x 4.88 x inch |
| Weight |
98 g / 3.46 oz |
| Information source |
Tube Lore (I) and Tube Lore II, p. 243
- - Manufacturers Literature United tube catalog February 1959
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705WA: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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Collection of
Collection of a member from D |
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