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1LB4Sensibly equivalent¶ to:CV776
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The 1LB4 is an audio output valve for use with dry cell equipment. Our exhibit is used in an American Zenith 8G005 battery/mains broadcast radio. Fed from a triode inverter (1LE3 a pair of these 1LB4s are used in the output stage.The wide glass tube envelope is 28 mm in diameter and, excluding the B8B base pins, is 55 mm tall.Reference: Data-sheet. Type 1LB4 was first introduced in 1939. See also 1939 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |  f+ | a | g2 | ic | nc | g1 | nc | f- |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | rl | Pout | 
| 1.4 | 0.1 | 90 | 90 | -9 | 5.0 | 1.0 | 0.2M | 0.93 | 12,000 | 0.2W |
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Updated January 06, 2022.
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