ตอบคุณประสานครับ
2A3PP Opt 5K Plate to Plate , Vplate =360 Vdc., Cathode Bias V.Cathode 62Vdc., R=Cathode 750 ohm , Cathode current each 2A3 =40mA
Total cathode current for PP = 80mA.
Total Set-Up
Input Transformer Tamura A8713 ( 600 ohm / 10K 0 10K) Also Splite Phase
Drive Tube 6SN7 . 5mA Bias
2A3 Tube
Output TRansformer ,ISO Tango FX-40-5 (5K-0-5K)