7247: Difference between revisions
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|Description=dual triode | |Description=dual triode | ||
|Used_in=3C66 | |Used_in=3C66 | ||
}} with one high-µ | }} with one high-µ section similar to a [[12AX7]]/[[ECC83]], and one low-µ section like the [[12AU7]]/[[ECC82]] with a {{B9A base}}. | ||
It has a center-tapped 12.6 V / 150 mA heater that can be run in parallel at 6.3 V / 300 mA. | |||
==Data== | ==Data== | ||
* [[tube:7247|7247]] @ radiomuseum.org | * [[tube:7247|7247]] @ radiomuseum.org | ||
* See also [[tube:12dw7|12DW7]] | * See also [[tube:12dw7|12DW7]] | ||
==Pictures== | |||
<gallery> | |||
</gallery> | |||
==Used In== | ==Used In== | ||
Latest revision as of 22:21, 30 November 2023
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.
Data
Pictures
Used In
Some instruments using part 7247
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 3C66 | Tektronix | Plug-in | 3C66 | Carrier amplifier plug-in | 1963 |