Double triode
The 6N23P / 6H23N vacuum tube is a miniature type used as a wide-band HF voltage amplifier
and low-noise mixer. It is a very durable tube with good sound quality.
Electrical Data:
Heater Voltage .................... 6.3 V
Heater Current .................... 0.3 A
Preferred Substitutes ............ 6DJ8, 6922, E88CC