Psvane WE845 PLUS Western Electric Classic Replica Vakuumröhren-Matched-Pair-Ventil 845

PSVANE WE845 PLUS vacuum tubes Western Electric replica Valve 845
Best Matched Pair brand new
The price is for a pair of PSVANE WE845 PLUS vacuum tubes Western Electric replica. PSVANE WE845 PLUS can place with the tube 845 perfectly. 
If you buy 2pair(4 pcs), we will send the Factory full matched tubes to you. 

PSVANE VACUUM TUBE WE845 PLUS 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