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: $536.99 USD
Product Quantity: 9 Units in Stock

Devliery-time: On-time Delivery With (DHL/UPS/EMS) About 7-10 days!

Custom taxes: All product not include taxes, But we can declare low values as your wish!

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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