RL 4,8 P 15
The RL4,8P15 vacuum tube is a 15 Watt transmitting Pentode. This tube is used in the 15W. S. E. b transceiver. Maximum anode voltage is 400V - 57 mA, and the filament voltage is 4.8V - 600 mA.



Model name and manufacturer








Year and week of manufacture.



The pinout diagram.