Psvane WE845 Western Electric Replica vacuum tubes Best matched Pair valve 845

Psvane WE845 Western Electric Replica vacuum tubes Best matched Pair valve 845

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Model: Psvane WE845
Shipping Weight: 4.5Kg Product Quantity: 7 Units in Stock
$542.99USD

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PSVANE VACUUM TUBE WE845 is direct-heated type thorium tungsten cathode triode, class A1 and AB1
Specification:
Heater
Uf---------------------------------------10 V
If----------------------------------------3.25 A
Maximum Rating
Ua----------------------------------1250 V
Pa-------------------------------75 W
Pout(max.sig)--------------------------150 W
Ia(max)------------------------------120 mA;


Direct Interelectrode Capacitances
input----------------------------------6 PF
output----------------------------------4.5 PF
grid to plate----------------------------------14.5 PF


Static parameter
Ua--------------------------------------1250 V
―Ug-------------------------------------200 V
Ia---------------------------------------80 mA
Gm--------------------------------------3 mA/V
ri----------------------------------------1.7 KΩ
u----------------------------------------5
RL---------------------------------------3.4 KΩ
Ug(pk)------------------------------------69 V
Pout-------------------------------------15 W

Recommended Operating Conditions(reference value
class A1 .single tube:
Ua-----1000 1000 1250 V
―Ug--- 145 155 209 V
RL-----6 9 16 KΩ
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:
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
Ug(pk)----------------177 240 ― ― V
Ia(mAx.sig)---------170 230 230 240 mA
Pout----------------40 75 75 115 W
Psvane WE845 Western Electric Replica vacuum tubes Best matched Pair valve 845
Psvane WE845 Western Electric Replica vacuum tubes Best matched Pair valve 845
Psvane WE845 Western Electric Replica vacuum tubes Best matched Pair valve 845