PSVANE 845-TII Vacuum Tube Mark TII Series Collection Edition HIFI EXQUIS Factory Matched 845 Electron Lamp

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  • 2 PCS
  • 4 PCS

This tube have only Collector version



filament heating(HIFI EXQUIS co, Limited)

U f---------------------------------------10 V
If----------------------------------------3.25 A
Limit rating
anode voltage----------------------------------1250 V
anode dissipation power-------------------------------75 W
The largest signal output power--------------------------150 W
The anode current largest -------------------------------120 mA;
interelectrode capacitance
(HIFI EXQUIS co, Limited)

input capacitance----------------------------------6 PF
output capacitance----------------------------------4.5 PF
(HIFI EXQUIS co, Limited)
transfer capacitance----------------------------------14.5 PF

static parameter

Ua--------------------------------------1250 V
—Ug-------------------------------------200 V
Ia---------------------------------------80 mA
Gm--------------------------------------3 mA/V
ri----------------------------------------1.7 KΩ
RL---------------------------------------3.4 KΩ
(HIFI EXQUIS co, Limited)
Ug(pk)------------------------------------69 V
Pout-------------------------------------15 W

Recommend working status (reference)

(HIFI EXQUIS co, Limited)
Single tube class A1 amplification:

Ua-----1000 1000 1250 V
—Ug--- 145 155 209 V
RL-----6 9 16 KΩ
(HIFI EXQUIS co, Limited)
Ia------90 65 52 mA
Gm-----3.1 — — mA/V
Ug(pk)--— 110 148 V
ri------1.7 1.9 2.1 KΩ
Pout----24 21 24 W

Push-pull class AB1 amplification:(HIFI EXQUIS co, Limited)

Ua------------------ 800 1000 1000 1250 V
—Ug---------------- 125 170 175 225 V
RL------------------ 4.5 4.6 4.6 6.6 KΩ
Ia--------------------80 70 40 40 mA
(HIFI EXQUIS co, Limited)
Ug(pk)----------------177 240 — — V
Ia(mAx.sig)---------170 230 230 240 mA
Pout----------------40 75 75 115 W




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 TII tube have 1 year month guarantee


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