7247
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The 7247 (European: ECC832) (P/N 154-0257-00) is a dual triode vacuum tube with one high-µ section similar to a 12AX7/ECC83, and one low-µ section like the 12AU7/ECC82 with a B9A (Noval) miniature 9-pin base. It has a center-tapped 12.6 V / 150 mA heater that can be run in parallel at 6.3 V / 300 mA.
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Some instruments using part 7247
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 3C66 | Tektronix | Plug-in | 3C66 | Carrier amplifier plug-in | 1963 |