The 6X4WS was conceived to resist the shocks and vibrations to which the mobile equipment in the Aeronautics or the electronic instruments used in industry can be subjected in particular. The filament of the 6X4WS is able to support a minimum of 5000 successive swich on - swich off.
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Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1
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