- Part Number: PS-845-B-HIFI
- Packaging Size: 9x9x25 cm
-
Psvane 845B-HiFi Series, mica free (NEW) 845B is direct-heated type thorium... more
Product information "Psvane 845B-HiFi Series, mica free (NEW)"
Psvane 845B-HiFi Series, mica free (NEW)
845B is direct-heated type thorium tungsten cathode triode
which can be used as class A1 and AB1 amplification.
Mica free construction type
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
Tube Type: | 845/SE3945/CV1831/38213 |
Socket: | 845(Twist Lock) |
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