Description
Brand New PSVANE HIFI Vacuum tube
Description:Item NO: HIFI 2A3B
Quantity: 2PCS (1 Matched Pair)
Heater
Uf .............................. 2.5 V
If..............................2.5 A
Maximum Rating
Ua..............................300 V
Pa..............................15 W
Rg
with cathode bias..............................0.5 MΩ
with fixed bias..............................0.05 MΩ
Direct Interelectrode Capacitances input.............................. 7.5 PF
output..............................16.5 PF
grid to plate..............................5.5 PF
Static parameter
Ua.............................. 300 V
-Ug.............................. 45 V
Ia.............................. 60 mA
Gm.............................. 5.25 mA/V
ri.............................. 0.8 kΩ
μ.............................. 4.2
Pout..............................3.5 W
Recommended Operating Conditions(reference value)
class A1.single tube.fixed bias.
Ua..................... 250 V
-Ug........................45 V
RL........................2.5 kΩ
Ia(0).....................60 mA
Gm........................5.25 Ma/V
ri........................0.8 Kω
μ........................4.2
Pout........................3.5 W
Dtot........................5 %
Push-full.class AB1.
fixed bias cathode bias
Ua...............300 300 V
-Ug...............62 Rk=780Ω V
RL...............3 5 kΩ
üg(pk).........87 110 V
Ia(0)............80 80 mA
Ia(max.sig)...140 100 mA
Pout...............15 10 W
Dtot...............2.5 5 %
