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12AU7, ECC82
- Maker
- Amperex
- Brand
- Hewlett Packard

Manufacturer record
Amperex is a manufacturer or brand recorded in the TubeDatabase archive. The archive lists 43 tubes made or branded by Amperex. Tube numbers on file include 12AU7, ECC82, ECC83, 12AX7, MC5, I66, MC2, MC1, I61, 12AX7A, 12AX7WA, and GZ34 and others.
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