The 240B is a large water cooled triode with a mu of 40 developed by Western Electric in 1935 and was produced until 1951. It was used in the Overseas Wireless Telephone site in Dixon, California. This example was made by Machlett Labs.
Length = 25.00" Diameter = 6.00"
Max voltage = 12000
Max current = 1 amp
Fil voltage = 21.5
Fil current = 41 amps GOTO INDEX
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