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EF94Sensibly equivalent¶ to:
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Mullard describe the EF94 as an RF pentode, suggesting use up to 50 MHz. Mullard also made the 6AU6 which the data suggests is identical.We also have an EF94 with yellow lettering.
The hole in the side of the anode allows the three wire grids to be seen.The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins, is 47 mm tall.References: Data-sheet & 1040. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |  g1 | g3,s | h | h | a | g2 | k |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 6.3 | 0.3 | 250 | 150 | -4.0 | 10.6 | 4.3 | 1.0M | 5.2 |
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Updated January 02, 2015.
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