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Tube: New 845-T Psvane Treasure MKII Series

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pcX USD Price: $499.99
MSRP: $499.99

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Detailed Specification: (measurement in mm) 

 

 

 

845-TII 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
£º
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£º
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

 

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