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CV4068Sensibly equivalent¶ to:13D3 6158 CV2212 VX7124
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The CV4068 is a double triode. Its commercial equivalent is the 6158 which is the special quality version of the 13D3.The 6158 was designed to operate as a Class B push-pull audio amplifier. The only Brimar manual we have that lists the 6158 is from 1961. We believe that this Type was issued in around 1960.The KB/AD identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the AD identifies the maker as Brimar - Thorn-AEI , Rochester.
The side view shows the separate electrode systems.The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins, is 48 mm tall.References: Data-sheet, 1040 & 4062. Type CV4068 was first introduced in 1960. See also 1960 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  a(2) | g1(2) | k(2) | h | h | a(1) | g1(1) | k(1) | hct |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | μ | 
| 6.3 | 0.6 | 250 | -4.6 | 6.0 | 14,000 | 2.3 | 32 |
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Updated November 02, 2024.
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