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B65Sensibly equivalent¶ to:See also:
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The B65 is an audio double triode with a 6.3 Volt heater. The B36 is the same valve except for the 12.6 volt heater.We also have the Experimental valve E1606 which is possibly the prototype of the B65.![](../pics/aaq0027a.jpg)
The Osram paper label.The wide glass tube envelope is 28 mm in diameter, and excluding the IO base pins, is 71 mm tall.References: Data-sheet, Data & 1040. Type B65 was first introduced in 1948. See also 1948 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ![](../static/key.gif) g1(2) | a(2) | k(2) | g1(1) | a(1) | k(1) | h | h |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | ![](../static/pdflogo.gif)
| 6.3 | 0.6 | 250 | -8 | 9 | 7.7k | 1.3 |
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Updated January 19, 2023.
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