a pentode with a short characteristic
The universal pentode 2J27L with a short characteristic with
a direct-filament cathode is designed for use in all stages
of receiving devices with a frequency of up to 120 Mhz, as well as in low-power amplifiers
and high-frequency oscillator master stages.
The 2J27L lamp is made in an aluminum housing-screen. The base is an elbow with
a lock on a key with 8 pins. Works in any position.
Direct-filament cathode.