1. 10 WE 300 B Heater Run Time 476 01295 675 01331 Heater Run Time 5R4 WGB WE 274A B 35 2. WE 3. Type 3 WE 300 B TA 300B 300 B WE 300 B TA 300 B 300B 4. 300 B 300B 98 Type 3 SG 300 B WE 300 B 300 B 98 Type 4 Type 3 FEB 2011 5. 2009 9 35 300 B TA 300 B 15 40 2010 1 CONFIDENTIAL 2010 4 100 WE 300B Eb Tb 11 20 2009 6. 9 8 FEB 2011 35 300B TA 300B 35 300B 1 300 B TA 300 B 1970 300 B 7. WE 300 B MJ 2011 1 10 16 ATM 300 91 WE 310 A WE 300B WE 274B WE 300B 1984 300 B 300B 98 Type 3 Type 4 TA 300 B 4 300 B TA 300 B WE 300 B 984 8. 2 Ip 3 0 3 3mA Gm 6 2mA V 3 72 Heater Run Time 476 01295 675 01331 82 10 1 2 20 V 80V 2 0 1V 140 1V 8 0 1V 20 1V 40 1V 80 1V 100 1V 120 1V 140 1 V TA 300 B 9. 300B 1974 HF 300 B MI 1999 10 3 HF 300 B 300 B WE 300 B HF 300B 2A3 2 5V HEF 300B 2 5 HF 300B 2 HF 300BW JMTEC USR ZAIKA KDS 7 300B 10. 1970 300 B HF 300 B 83 11. HF 45 2 3 00B 2 5 Y 4 5 Y et G 12. WE 300 B USR 300B Type 3 JMTEC300BZAIKA 300BTAKATSUKITA 300B 300B No 01295 01331 No No WE 300 B KR Audio TA 300 B Epmax 450 V Ipmax 100 mA 40 W WE 300B Ec Ib WE 300B 2 4 5 DC Ep 300 V Eg 60 V Ip 65 mA 13. P TA 300B 300 B USR JMTEC 300 B 5 74 1 HF 300B HF 300 B Audio tron Maximun Hifidelity SUPER POWER TUBE 1 5mm