845-T (one pair)
$329.00
845-T (one pair)
T-Series: covering all common styles, nobility, high density and high tone quality. Moving emotion expressiveness, you?l fall in love with it at the first sight.
845-T is direct-heated type thorium tungsten cathode triode, class A1 and AB1
Heater
Ufβββββββββββββ10 V
Ifβββββββββββββ-3.25 A
Maximum Rating
Uaβββββββββββ-1250 V
Paββββββββββ-75 W
Pout(max.sig)βββββββββ150 W
Ia(max)ββββββββββ120 mA;
Direct Interelectrode Capacitances
inputβββββββββββ-6 PF
outputβββββββββββ-4.5 PF
grid to plateβββββββββββ-14.5 PF
Static parameter
Uaβββββββββββββ1250 V
βUgββββββββββββ-200 V
Iaβββββββββββββ80 mA
Gmβββββββββββββ3 mA/V
riβββββββββββββ-1.7 KΞ©
uβββββββββββββ-5
RLβββββββββββββ3.4 KΞ©
Ug(pk)ββββββββββββ69 V
Poutββββββββββββ-15 W
Recommended Operating ConditionsοΌreference value
class A1 .single tubeοΌ
Uaββ1000 1000 1250 V
βUgβ 145 155 209 V
RLββ6 9 16 KΞ©
Iaββ90 65 52 mA
Gmββ3.1 β β mA/V
Ug(pk)ββ 110 148 V
riββ1.7 1.9 2.1 KΞ©
Poutβ-24 21 24 W
Push-pull.class AB1οΌ
Uaββββββ 800 1000 1000 1250 V
βUgβββββ- 125 170 175 225 V
RLββββββ 4.5 4.6 4.6 6.6 KΞ©
Iaβββββββ80 70 40 40 mA
Ug(pk)βββββ-177 240 β β V
IaοΌmAx.sigοΌβββ170 230 230 240 mA
Poutβββββ-40 75 75 115 W
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