This is a General Electric GE 12AX7A / 7025 vacuum tube, which is a NOS (New Old Stock) item. It is a vintage tube that is suitable for use in audio and video equipment. The brand of the tube is GE, and it is designed to fit into a variety of models, including the 7025. This vacuum tube is a great addition for enthusiasts of vintage electronics, and it is sure to improve the performance of your equipment.
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