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EF6Sensibly equivalent¶ to:MEF6 TEF6 VEF6
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The EF6 pentode was designed for radio receivers, where it would be used for RF and IF amplification. The later EF8 was a variable μ type for automatic gain control in IF stages.The classic envelope is 29 mm in diameter and, excluding the Ct8 base pins, is 81 mm tall.References: Data-sheet & 1043. Type EF6 was first introduced in 1938. See also 1938 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | tc |  m | h | h | k | g3 | nc | g2 | a | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 6.3 | 0.2 | 250 | 100 | -2 | 3 | 1 | 1.75M | 2.0 |
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PDF scanned from an original document held by the museum |
Updated January 08, 2022.
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