Siemens - 6189W / 12AU7WA Low-Noise Dual-Triode Vacuum Tubes (Matched Pair) Audio component

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Siemens 6189W / 12AU7WA low-noise dual-triode vacuum tubes pair, two items, manufactured in 1979, tested and operational, with case included. Era: 1900-2000. Physical Condition: Mint. Functional Condition: Tested and working/playable.

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