Amplifiers
EL84 EL84-S Vacuum Tube
The Price is for 1pc
Details for EL84-S
UH 6.3 12.6V
IH 0.30 0.15A
Ua 256 V
Ug2 256 V
Rk 120 mA
Ia 48 mA/V
Ig2 7
Gm 9 K
ri 38
g1-g2 19
Ua................................... 250 V
Ug2.................................. 250 V
-Ug1................................. 7.3 V
Rk................................... 135
RL................................... 5.2 k
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 - - - k
g1-g2................... 19 - - -
Pout...................... 0 4.5 5.7 6.0 W
Dtot...................... 0 6.8 10 - %
Details for EL84
EL84C
EL84C is high transconductance pentode, used as class A1, AB1 and B in audio amplifier.
Heater
Uf-----------------------------6.3 V
If----------------------------------0.76 A
Direct Interelectrode Capacitances
input--------------------------10.8 PF
output-----------------------------6.5 PF
grid to plate----------------------0.5 PF
grid to filament----------------0.25 PF
Static parameter
Ua-----------------------------------256 V
Ug2----------------------------------256 V
Rk-----------------------------------120
Ia------------------------------------48 mA
Ig2-----------------------------------7 mA
Gm-----------------------------------9 mA/V
ug1-g2-------------------------------19
ri------------------------------------38 K
Maximum Rating
Ua------------500 V
Pa--------------------12 W
Ug2------------------300 V
Pg2-------------------2 W
Ik-------------------------65 mA
Ug1-----------------------100 V
Uh-k(pk)-----------------±100 V
Rg1
with cathode bias------------------------1 M
with fixed bias-----------------------0.3 M
Recommended Operating Conditions(reference value)
class A1.single tube.
Ua------------------------250 V
Ug2----------------------------250 V
Ug1-----------------------------7.3 V
Rk-----------------------------135
RL-----------------------------5.2 K
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 - - - K
ug1-g2-------------19 - - -
Pout---------------0 4.5 5.7 6.0 W
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High-concerned chemical : None
Channels : 1,1
Model Number : EL84
Maximum Power Per Channel : 6W,6W
PSVANE Model : EL84S