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EL84Sensibly equivalent¶ to:See also:
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The EL84 output pentode design was introduced by Mullard in 1954. To demonstrate its use and quality the Mullard applications lab produced an amplifier design. The now classic 5-10 high quality audio amplifier. This is a copy of the design by 6202.
The wire grids can be glimpsed through the hole in the anode. The discolouration of the glass speaks of a hard life before this arrived at the museum. The thin glass tube envelope is 22 mm in diameter and, excluding the B9A base pins, is 70 mm tall.References: Data-sheet & 1040. Type EL84 was first introduced in 1953. See also 1953 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  ic | g1 | k,g3 | h | h | ic | a | ic | g2 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | gm | Pout | Pdiss | 
| 6.3 | 0.76 | 250 | 250 | -7.3 | 48 | 5.5 | 6.7 | 2.2 | 12W |
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Updated June 11, 2024.
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