4krow
Seasoned Member
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IMAGINE WHIRLLED PEAS
Posts: 1608
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Just because a tube will fit into a socket, does not mean it will work. I check online with sites that give information about subbing one tube for another. As already mentioned, the heater element for the 6N2P is designed for a 6 volt supply, whereas the heater (filament) of the 12 AX7 is designed for a 12 volt heater supply. Also to be considered is the pinout, i.e. what each pin is connected to internally. Lastly, the design of the tube parameters itself may be different.
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