Tube shorts testing filament on or off ?
NE51 circuit . Getting back into tubes after finding truth about vintage amp podcast. Building tube tester that applies grid bias and runs transfer curves. New to
forum have been messing around with electronics for 45 years retired in Indiana now.
NE51 circuit . Getting back into tubes after finding truth about vintage amp podcast. Building tube tester that applies grid bias and runs transfer curves. New to
forum have been messing around with electronics for 45 years retired in Indiana now.
No point in trying to reinvent the wheel.
Look at the AVO, Mullard, B&K etc etc etc designs and find one that fits your bill.
Look at the AVO, Mullard, B&K etc etc etc designs and find one that fits your bill.