• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

double check the math

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tenderland

tenderland

Member
Joined 2004
Hello Im building the attached amp in a mono mode and the B+ will be
300 v instead of 350. to keep the preamp voltages and currents the same I calculated the the 27K feed resistor to be now 3333 ohms
Does this seem kosher ?

Thanks Jeff
 

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