The 12AX7A RFT "National" NOS/NIB is a vintage preamp tube manufactured in Germany by National. This unit is a single piece and is considered a rare find for collectors of vintage audio equipment. The 12AX7A model is known for its high-quality sound and is sought after by audiophiles looking to add a touch of nostalgia to their collection. This unit is a must-have for vintage audio enthusiasts looking to enhance their sound system with a piece of history.
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