Order 120W VR for step down high voltage.
Put resistors on wood rack and finish high voltage connection.
After long time debug a tiny flaming just pop out.
So far I could make sure my circuit of RF TUB amp. is workable.
But I still need to tuning work voltage and current of PL519 to improve flaming make it large.
Zoom in picture.
Re-modify working voltage and current 480V and 0.2A.
No sound modulation in and Just carry frequency radiation.
Modify flaming size.
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