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| CV1409Sensibly equivalent¶ to: | 
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 |  | The CV1409 is a battery HF Pentode based on the Mullard SP2.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | |  m | g1 | g3 | f | f | nc | g2 | a | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | | 
 | 2.0 | 0.18 | 150 | 150 | 0 | 3.0 | 1.0 | 0.7M | 1.8 | 
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 Updated January 09, 2022. |  |