Antique radios, Old Time Radios
2J70B
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Country:
United States of America (USA)
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| Identical to |
2J70B
= M5063
= QKH1978
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| Similar
Tubes |
Normally replaceable-slightly different:
2J70A
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| Predecessor Tubes |
2J70
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| Was used by |
Radar |
| Filament |
Vf 6.3 Volts / If 1.1 Ampere / Half indirect |
| Description |
Fixed frequency magnetron; integral magnet, coaxial out. Commonly used in marine radar sets,
- 3070 MHz
- 7.5 kV at 15A input pulses
- 20 kW peak output power typical, 100 kW max.
Similar to 2J70, used in the Raytheon/Selenia 1666-12S marine radar. 2J70B was also manufactured in Italy by Raytheon-Elsi, Palermo, later ElTel.
Also known with Raytheon internal code QKH 1978.
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| Information source |
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