12AX7 RCA NOS Tubes - " 1955" - Square getter - Amplitrex tested - Matched pair

NOS 12AX7 RCA AUDIO TUBES - SQUARE GETTER - PLATINUM MATCHED PAIR - AMPLITREX TESTED. DATE: APRIL 1955. 1700 umhos / 1.2 mA. TUBE 02: 1700 umhos / 1.2 mA -.

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