PSVANE HIFI 845B

PSVANE HIFI 845B(Cu base)

Psvane HiFi 845B

Psvane HiFi 845B

Psvane HiFi 845B

Psvane HiFi 845B

845B is direct-heated type thorium tungsten cathode triode, which can be used as class A1 and AB1 amplification.

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

Comments are closed.