MU14 Marconi Osram ST fat shape mesh plate MU12 cup getter
MU14 Marconi Osram tested 80% £ 180 pair
Description
Marconi Osram MU14 with mesh plate and cup getter.
This is the early version of the MO-V valve
The MU14 has heater and cathode for each valve where cathodes are joined to one side of the heater.
Hard to find these days
Marconi Osram with 100% logo tested 100% emission.
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