I'm curious what you guys think about the psu. Skip the 220R resistors? Just clc? Or clclc?
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Are you sure about the 200 ohm DCR? Seems quite high to me, especially for half of the HV winding.
As far as I know, PSUD uses the half winding values for both voltage and DCR when simulating full wave rectifiers.
A 5U4 to supply a 90mA circuit is ott.
An EZ81 is made for this circuit and has slow start too.🙂
BTW please keep your heater wiring as far away from your input jacks as possible.
An EZ81 is made for this circuit and has slow start too.🙂
BTW please keep your heater wiring as far away from your input jacks as possible.
The ott is not an issue for me. However.....perhaps I'll use 2 * 6c5s I have.
The heater wiring I was worried about. But if it is an issue...I'll rewire.
The heater wiring I was worried about. But if it is an issue...I'll rewire.
It may not matter too much, but I like to have the bodies of my my grid stoppers almost touching the socket pins.
True..I do try that as well...but I chose for some to rather have it all in one piece going from pin to pin....than to have it very close to the pin....but I have to solder another piece of wire to make it get to the connecting node. If you know what I mean.
All the result of poor planning on my part. But since it is not finished...I might take on some of the advice...after all...now is the time to do it right. 🙂
All the result of poor planning on my part. But since it is not finished...I might take on some of the advice...after all...now is the time to do it right. 🙂
Sometimes you can use an unused pin to get the grid stopper connected between the grid and the unused pin. I use pin 6 for 6L6-like tubes, with the stopper connected between 5 and 6.
Nice build. Using the 6.3Vac EZ81 means the 5Vac winding is no longer needed. Leads to a cheaper power transformer for those hoping to copy your build.
Have you simulated the power supply in Duncan.
Best regards
Have you simulated the power supply in Duncan.
Best regards