![6P7S Sweep Tube](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJtxXSQSZxysZkDi6CTe6EbTw7vDc8S_S-GQ_2ZrctdrDnPNDPp3T2aSQSo7ylxJOSBgMOcZH-3DK23mZ072lq7_jjKKYVrR6pxOz9xin3x5xoO_3whGZ2AL4TMwsAjCajb1RsZywEJ4U/s400/6p7s_gold.jpg)
I heard that 6BG6 valves sounds much better than 6P7S in audio devices and that 6P7S is worthless audio tube, much worse than G-807 and 6P3S ones. At the other hand, I heard that 6P7S has a beautiful clear treble sound, much better than 6P3S. I'm not quite sure - it's just rumours.
As for me, 6P7S is a good choice if you have to put something more powerful than 6P3S (6L6) into the octal socket. Strangely, but 6P7S tubes are rarely used in HAM-radio (compared with G-807 and 6P3S).
CHARACTERISTICS
Filament Voltage | 6.3 volts | 6P7S |
---|---|---|
Filament Current | 0.9 amps. | ![]() |
Input Capacitance | 11.5 mmfd. | |
Output Capacitance | 6 mmfd. | |
Grid to Plate Capacitance | 0.5 mmfd. | |
Maximum Plate Dissipation | 20 watts | |
Maximum Screen Dissipation | 3.2 watts | |
Frequency Range | up to 35 mc | |
Height | 145 mm. | |
Diameter | 52 mm. |
![6P7S Sweep Tube](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpH81A9Hp0SL9nYpoqi1WY1JS37sW-ba_HWGCcV5Om74H63aM4VbqsfLWID_xzR49rNVl-Scvmv35QCmKRg7kqSay6Jxp4GSTNDQWoJbkBK9yvNyMI1AW6uC9PT16o-A03lTRgWPgUASw/s1600/6p7s.jpg)
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