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Siemens E83CC
Siemens E83CC
€75.00
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Siemens D3a
[7721 D3a]		 €19.50

Condition: NOS/NIB - D3a/7721 high transconductance long-life > 10.000 hours Frame Grid pentode produced for German Post. Gold pins, grey plates and still in there original blue/orange Siemens box. Great driver for 300B and 2A3 tubes.
* Tubes are tested with Amplitrex AT1000 on true mutual conductance, plate current and leakage.
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  Tuesday 07 February, 2012  

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