The EL89 is an audio output pentode that was introduced about 1955 but is not listed in 1956. It was designed to operate with a load of 7,000Ω and a 140Ω cathode bias resistor. The output is given as 3.9 Watts and the anode dissipation is 11 Watts maximum.Reference: 3002. Type EL89 was first introduced in 1955. See also 1955 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  s | g1 | k | h | h | s | a | g2 | g3 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 6.3 | 0.75 | 250 | 250 | -6.0 | - | - | 45,000 | 10.5 |
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Updated December10, 2014.
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