Description

Series EL34 high-performance audio output pentode, its anode limit dissipation power is 25W, in audio amplifier, the output power is more than 10W when single tube is used for class A1 amplification, and the output power is more than 35W when double tube is used for class AB1 amplification.
EL34C is similar to EL34, 6CA7 and can be used interchangeably.

hot wire heating
UH…………………………6.3 V
IH…………………………1.5 A

limit rating
Anode voltage…………………… 800 V
2nd grid voltage……………… 500 V
1st gate voltage………………-100 V
Anode power dissipation……………… 25 W
Second grid power dissipation ………… 8 W
Cathode current……………………150 mA
first gate resistor
When self-biased……………………0.7 MΩ
At fixed bias……………………0.5 MΩ
Voltage between hot wire cathodes………………±100 V
Bulb temperature……………………250 ℃

Interpole capacitance
Input Capacitance ……………… 15.2 PF
Output Capacitance ……………… 8.4 PF
Across Capacitance ……………… 1.1 PF
Capacitance between 1st grid filaments …… 1.0 PF
Capacitance between hot filament cathodes ………… 10 PF

static parameters
Ua………………………… 250 V
Ug2…………………………250 V
Ug3………………………… 0 V
-Ug1…………………………12.2 V
Ia………………………… 100 mA
Gm………………………… 11 mA/V
ri………………………… 15 kΩ
μg1-g2……………………11