12AT7 MULLARD NOS NIB Made in British Amplitrex tested 1MP #1294012 1294016

1294012:-T1=Ip mAdc=9.7 GM=5190. 1294016:-T1=Ip mAdc=10.2 GM=5000. 1MP NOS 12AT7 MULLARD Square Getter British Made Amplitrex AT1000 tested. NOS MULLARD 12AT7. Tested Advance Digital Tube Tester Amplitrex AT1000.

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