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ECC83 12AX7 Ultra rare Marconi Osram GEC B339 12AX7 ECC83 17mm Square getter Holy Grail

Marconi Osram GEC B339 17mm Square Getter £ 500 pair

Marconi white logo (bottom of picture) B339 £ 400 pair

Category: Dual triode valves Noval

Description
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Description

Nice selection of MO-V Marconi Osram GEC valves type B339 special version of the common ECC83 12AX7

All valves have 17mm square getter bar the two Marconi B339 left and right at bottom

All valves are the Holy Grail and have been successfully tested 100% emission at 1.2mA each anode.

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