Isolation
The EL34PH is a side-heated pentode used for power amplification.
EL34PH is similar to 6CA7 and KT66 and can be used interchangeably.
Hot wire heating
Uh...6.3 volts
Current......1.5A
Limit ratings
Anode voltage: 800V
Second grid voltage: 500V
First gate voltage: -100V
Anode power dissipation 25 W
Second gate power dissipation......8 W
Cathode current......150 mA
First gate resistor
Self-bias voltage: 0.7 M
When a fixed bias voltage is applied...0.5 M
Voltage between hot wire cathodes......±100V
Glass shell temperature: 250
Interelectrode capacitance
Input capacitance......15.2 pF
Output capacitance: 8.4PF
Inter-circuit capacitance 1.1 PF
First grid hot line capacitance......1.0 PF
Hot wire cathode to cathode capacitance......10 pF
Static parameters
UA......250V
Ug2......265V
Ug3......0V
-Ug1......13.5V
Current......100 mA
Transconductance......11 mA/V
Ri......15k
G1-g2......11

Model:EL34PH
Maximum power per channel: No power supply
Origin: Mainland China
Certification: CE
Product Type: Vacuum tube, electron tube
Replacement: EL34C EL34B 6P3P 6CA7 6V6 EL34
Application: tube amplifier, HIFI amplifier, DIY audio amplifier accessories