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  Home >> Vacuum tube >> Nature Sound >> K&D >> NA-845-T 845-T HIFI Nature Sound Audio Vacuum Tube

NA-845-T 845-T HIFI Nature Sound Audio Vacuum Tube [Comments(0)|Leave your Comment]
Brand:K&D
Item#:13062706300964
Score:1  (Score change Discount Voucher)
Weight:0.95 kg.
List Price:$300.00
Price:$248.00
You Save:$52.00
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HIFI Nature Sound 845-T Audio Vacuum Tube

One matched pair 845-T

 

845-T  is direct-heated type thorium tungsten cathode triode, class A1 and AB1
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

ROHS Compliant

Good quality tubes

 

Test and selected by factory
3months quality warranty from date of receipt.


 

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