EL34 EL34PH Tube Amplifier Kit DIY(4pcs Matched Quad)

Preamps
Hot wire heating
UH6.3V
IH1.5 A
Extreme Rating
Anode voltage................................800 V
Second gate voltage............500 V
First gate voltage................................-100 V
Anode power dissipation............ 25 W
Second gate power dissipation............ 8 W
Cathode current....................................150 mA
First gate resistance
Self-bias voltage..................................0.7 M
When bias voltage is fixed................................0.5M
Voltage between hot wire cathodes............±100V
Glass shell temperature................................250
Interelectrode capacitance
Input capacitance ..................................15.2 pF
Output Capacitance ................................. 8.4 pF
Inter-circuit capacitance ................................. 1.1 pF
First grid hot line capacitance.........1.0 PF
Hot Wire Cathode to Cathode Capacitance............ 10 PF
Static parameters
250V
Ug2265 V
Ug3 0V
-Ug 113.5V
Current 100 mA
Transconductance 11 mA/V
15 k
g1-g211

Channels: 2 (2.0)
Model:EL34PH
Maximum power per channel: No power supply