Stereo Vacuum Tubes PSVANE WR50 Valve Tube WE RCA 50 Hybrid&Improved Replica
WR50(hybrid of WE50 and RCA50)
Item specifics:
Type: Vacuum tube
Brand: PSVANE
Model: WR50
Country/Region of Manufacture: China
Description:
1,Cyclic test.
2,Fine workmanship.
3,Superior performance.
4,Excellent technical personnel.
5,To make innovations,to pursue perfection, to keep improving quality.
Feature:
WR50 is direct-heated type thorium tungsten cathode triode, can be used as class A1 and AB1 amplification.
Typical operating parameter
Heater voltage 7.5 V
Heater current 1.25A
Ua 350V
Grid voltage -63 V
Ia 45 Ma
Internal resistance 4.1K
Amplification coefficient 3.8
Output power 2.4W
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