Psvane Classic Series EL84 Tubo a vuoto HiFi Coppia abbinata

Product parameters:
The same transconductance pentode EL84 has an anode limit dissipation power of 12W, which is used for class A1, AB1, and B amplification in audio amplifiers.

Hot wire heating
UH 6.3 (parallel) 12.6 (string) V
IH 0.30 0.15 A
Limit rating

Anode voltage 500 V
Anode dissipation power 12 W
Second gate voltage 300 V
Second grid power dissipation 2 W
Cathode current 65
mA
First gate voltage -100 V
Voltage between hot wire cathodes ±100 V
First gate resistance
0.3 MΩ at fixed bias
1 MΩ at self-bias
Interelectrode capacitance
Input capacitance 10.8
PF
Output capacitance 6.5 PF
Trans-circuit capacitance 0.5 PF
Capacitance between heating wires of the first grid 0.25 PF
Static parameters
Ua 256 V
Ug2 256 V
Rk 120 mA
Ia 48 mA/V
Ig2 7
Gm ≥9 KΩ
ri 38
μg1-g2 19 Recommended working state (reference value)
Single tube type A1 zoom
Ua...250 V
Ug2.................................. 250 V
-Ug1................................. 7.3 V
Rk...................................135 Ω
RL...5.2 kΩ
Ug1(r.M.S)...0 3.4 4.3 4.7 V
Ia(0)..................... 48---mA
Ia(max.sig)...............--49.5 49.2 mA
Ig2(0)....................5.5---mA
Ig2(max.sig)..............--10.8 11.6 mA
Gm........................ 11.3---mA/V
Ri........................ 38---kΩ
μg1-g2...................19---
Pout...................... 0 4.5 5.7 6.0 W
Dtot...................... 0 6.8 10-%
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