PSVANE EL84-TII Vacuum Tube Mark TII Series Collection Edition HIFI EXQUIS Electron Lamp

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New product

PSVANE

$77.60

  • 2 PCS
  • 4 PCS

4

6

23

 

EL84 - TII is high transconductance pentode,

in audio for class A1, AB1,  B amplifier.

filament heating(HIFI EXQUIS co, Limited)
UH-----------------------------------6.3 V
IH------------------------------------0.76 A

(HIFI EXQUIS co, Limited)
interelectrode capacitance

input capacitance-------------------------------10.8 PF

output capacitance-------------------------------6.5 PF

transfer capacitance-------------------------------0.5 PF
The first grid capacitance between the filament-----------------------0.25 PF

(HIFI EXQUIS co, Limited)
static parameter

Ua-----------------------------------256 V
Ug2----------------------------------256 V
Rk-----------------------------------120 Ω
Ia------------------------------------48 mA
Ig2-----------------------------------7 mA
Gm-----------------------------------≥9 mA/V
ug1-g2-------------------------------19
(HIFI EXQUIS co, Limited)
ri------------------------------------38 KΩ


Limit rating
anode voltage-------------------------500 V
anode dissipation power----------------------12 W
The second grid voltage----------------------300 V
The second grid power dissipation-------------------2 W
(HIFI EXQUIS co, Limited)
cathode current-------------------------65 mA
primary grid voltage ----------------------—100 V
Between the filament cathode voltage (pk)-----------------±100 V
The first grid resistance

bias-------------------------1 MΩ(HIFI EXQUIS co, Limited)
fixed bias-----------------------0.3 MΩ

Recommend working status (reference)
Single tube Class A1 amplification
Ua-----------------------------250 V
Ug2----------------------------250 V
Ug1----------------------------—7.3 V
Rk-----------------------------135 Ω
RL-----------------------------5.2 KΩ
(HIFI EXQUIS co, Limited)
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
ug1-g2-------------19 — — —
(HIFI EXQUIS co, Limited)

Pout---------------0 4.5 5.7 6.0 W

57

1

 

  

HIFI EXQUIS will use double box package to send the tubes, We guarantee the tube will devliered to you with good condition,

But thank you always to check the tube state face with courier during delivery process.

The PSVANE tube have 6 month for guarantee

 

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