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| CV1891Sensibly equivalent¶ to: | 
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 |  | The CV1891 is a double diode pentode. The prototype was the 6B7 and the CV1891 is identical.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | |  h | a | g2 | a(d2) | a(d1) | k | h | g1 | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | | 
 | 6.3 | 0.3 | 250 | 125 | -3 | 10 | 2.3 | 0.6M | 1.33 | 
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 Updated November 20, 2017. |  |