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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: 5814 not a complete sub for 12AU7 posted by tvr2500m on June 19, 2006 at 22:21:09:
You wrote, "I really should just take a meter to the sockets and make some measurements." If you intend to measure voltages across the unoccupied socket, you will find none. You need to measure the voltage across the plate resistor with a tube in place in order to calculate how much current the tube is drawing (whichever tube you are using at the time). Current will be equal to the value of the plate resistor X voltage. Then measure the voltage right across the anode (plate) and cathode of the tube itself, which will tell you the "plate voltage". Then plate voltage X plate current will tell you the plate dissipation, in Watts. Ideally, you don't want to exceed the recommended max plate voltage OR the max plate dissipation.
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Follow Ups
- Re: 5814 not a complete sub for 12AU7 - Lew 17:06:49 06/20/06 (1)
- Re: 5814 not a complete sub for 12AU7 - tvr2500m 17:33:56 06/20/06 (0)
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