215SG S215 S21 PM12 S215A SG215	Screened grid, tetrode B2 filament - MULLARD MAGIC
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215SG S215 S21 PM12 S215A SG215 Screened grid, tetrode B2 filament

  • £12.00

Only 1 left!

Nice example of this B4 based tetrode showing good emission

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