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

Psvane WE845 Western Electric Replica vacuum tubes Best matched Pair valve 845
Product Price: $486.99 USD
Product Model: Psvane WE845
Product Quantity: 9 Units in Stock
Shipping Weight: 4.5 Kg
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Product Warranty
All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
Shipping Time & Invoice Declare
All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
We can Declare the Value of the Order as Customer's Remark!!!
Product Declaration

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