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RK39Sensibly equivalent¶ to:See also:
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The RK39 is yet another designation for the valve most commonly known as the 807 beam tetrode. The parameters given are for single ended use. When used in a class AB1 as a push pull pair with 600 volts on the anode an output power of 65 Watts was normal.The anode side view.The classic envelope is 51 mm in diameter, and excluding the UX5 base pins is 125 mm tall.References: Data-sheet & 1040. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | tc | h | g2 | g1 | k | h | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | Pout |
| 6.3 | 0.9 | 300 | 250 | -14 | 83 | 8 | 20k | 6.5 | 6.7W |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | mAg | Pdriv | Pdiss | Pout | freq | f.max |
| 6.3 | 0.9 | 600 | 250 | -45 | 100 | 7 | 3.5 | 0.2W | 25W | 40W | 60 | 125 |
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Updated January 13, 2013.
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