The 14F6 is electrically almost the 6F6G with a 300 mA heater for series heater chain use. It is an audio output pentode and in Class A would produce around 3.2 Watts at 8% Total distortion. The anode load should be 7,000Ω and the self bias would be generated by a cathode resistor of 410Ω.
Looking into the dome reveals three wire grids with heat sinks on the copper supports of the control grid.The classic envelope is 45 mm in diameter and, excluding the IO base pins, is 104 mm tall.Reference: 3002. Type 14F6G was first introduced in 1946. See also 1946 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |  m | h | a | g4 | g1 | nc | h | k.g3 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 14 | 0.3 | 250 | 250 | -16.5 | 35 | 8.0 | 80,000 | 2.5 |
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Updated January 09, 2022.
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