B7A, PTFE VALVE BASES, NOS, AEI, - MULLARD MAGIC - 1
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B7A, PTFE VALVE BASES, NOS, AEI, - MULLARD MAGIC - 1 B7A, PTFE VALVE BASES, NOS, AEI, - MULLARD MAGIC - 2

B7A, PTFE VALVE BASES, NOS, AEI,

  • £2.50

Only 3 left!

The B7A base was mainly used for transmitting double beam tetrodes. Pin 4 has a larger diameter than the rest and acts as a locating aid as the pins are equi-spaced around the pin circle.

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