Well, I took a closer look at the power supply ..yesterday:
View image: r102 amp supply
Could it be that easy to boost the HT to 320v, just removing R1?
I want to get more power out of the two EL84 tubes.
not sure if I have to adjust R14 accordingly.
The screen grids are just connected to the ouput transformer
View image: r102 amp supply
Could it be that easy to boost the HT to 320v, just removing R1?
I want to get more power out of the two EL84 tubes.
not sure if I have to adjust R14 accordingly.
The screen grids are just connected to the ouput transformer
Btw, calculating by turns ratio, the transformer gives 256 volts secondary.
don't know how to calculate how much the diode bridge "elevates" that.
The primary winding consists of the following loops in series:
1. 114 turns 0,57 mm
2. 308 turns 0,41 mm
3. 308 turns 0,41 mm
If I exclude winding 1 (114 turns) I would get 304 volts secondary
Is that advisable at 220 volts primary voltage?
I Know I have to look at some charts, if 0,41 mm is capable of withstanding the current.
don't know how to calculate how much the diode bridge "elevates" that.
The primary winding consists of the following loops in series:
1. 114 turns 0,57 mm
2. 308 turns 0,41 mm
3. 308 turns 0,41 mm
If I exclude winding 1 (114 turns) I would get 304 volts secondary
Is that advisable at 220 volts primary voltage?
I Know I have to look at some charts, if 0,41 mm is capable of withstanding the current.
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