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

Product Price: $196.09 USD

  • Product Model: Model: MUIA9832216
  • Product Weight: Shipping Weight: 2.5kg
  • Product Quantity: 3 Units in Stock

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PSVANE 2A3-TII hi-end Vacuum Tube Classic Grade Best Matched pair 2A3-T Mark II Electronic Valve
100% Brand New


The price is for a pair of 2A3-TII hi-end vacuum tube (2 pcs).
The 2A3-TII direct heating cathode power double triode is used for A1 and AB1 class amplification.







Declaration


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%

This product was added to our catalog on Monday 08 April, 2019.