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Manufacturer record
Siemens is a manufacturer or brand recorded in the TubeDatabase archive. The archive lists 61 tubes made or branded by Siemens. Tube numbers on file include 12AU7, ECC82, K61, GF1, ECC83, 12AX7, MC0, MC5, 12AX7WA, K1007, CV492, and 2A1 and others.
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