03-17-2021, 05:50 AM
Why not just use the 117Z3? They are $4.00 at find a tube. Having a spare on hand, you’d probably be set for life.
If this set used a selenium rectifier, I’d likely replace it with a diode and resistor.
If this set used a selenium rectifier, I’d likely replace it with a diode and resistor.
Tony
“People may not remember how fast you did a job, but they will remember how well you did it”