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12AT7 (also known in Europe by the Mullard–Philips tube designation of ECC81) is a miniature nine-pin medium-gain (60) dual-triode vacuum tube popular in guitar amplifiers. It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A), including in particular the very commonly used low-mu 12AU7 and high-mu 12AX7.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 12AT7 | related to External links | General ElectricReviews | 0.60 | section |
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