Classification--It is a nine pins tube.oxide coated cathode of indirect heated.
Application--It intended for use a NF voltage amplifier or Phase inuerter. It is Low noise tube.
Nominal operating conditions and parameters
Heater voltage……………………………………………………………12.6 V*
Heater current……………………………………………………..........0.15 A
Plate voltage………………………………………………………………250 V
Grid voltage……………………………………………………………….－2 V
Plate resistance…………………………………………………………62.5 kohms
Plate current………………………………………………………………1.2 mA
Amplification factor…………………………………………………………100
Limiting Operation Conditions for Safe Nor-nor simultaneous ratings
Maximum plate voltage……………………………………………… 330 V
Maximum Grid voltage………………………………………………-- 50 V
Maximum Grid voltage………………………………………………....0 V
Maximum Power of plate……………………………………………1.2 W
Pre-Amplifiers
