PSVANE 2A3-TII hi-end Vacuum Tube Classic Grade Best Matched pair 2A3-T Mark II

All items guaranteed 100% BRAND NEW in the original edition Box.
ONE-YEAR WARRANTY !!!

Filament heating
Uf .............................. 2.5 V
If .............................. 2.5 A
Static parameters
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
Limit rating
Anode voltage .............................. 300 V
.............................. 15 W anode dissipation power
Gate resistance
Self-bias .............................. 0.5 MΩ
Fixed bias .............................. 0.05 MΩ
Electrode capacitance
Input capacitance .............................. 7.5 PF
Output capacitor .............................. 16.5 PF
The cross road capacitance .............................. 5.5 PF

Recommended work status (reference value)
Class A1 amplifier (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%

Driving AB1 amplify
Fixed bias self-bias
Ua ............... 300 300 V
-Ug .............. 62 Rk = 780Ω V
RL ............... 3 5kΩ
üg (pk) ......... 87 110 V
Ia (0) .......... 80 80 mA
Ia (max.sig) ... 140 100 mA
Pout ............ 15 10 W
Dtot .............2.5 5%