12AX7
Branded Ge

Pinched Tip

Brand Extended: General Electric

Getter: Square Getter

Getter Support: One

Glass Color: Clear Glass

Mica: Double

Other Marks: These are Engineering Samples.

Permanentid: 653g4unx

Pin Color: Silver Pins

Plate Color: Matte Gray

Tip Shape: Pinched Tip

Year: 1947

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