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Valvola elettronica PSVANE 2A3-TII hi-end Classic Grade Best Matched coppia valvola elettronica 2A3-T Mark II

Valvola elettronica PSVANE 2A3-TII hi-end Classic Grade Best Matched coppia valvola elettronica 2A3-T Mark II
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Product Price: $239.99 USD
Product Model: 2A3-T Mark II Classic
Shipping Weight: 3 Kg
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Product Warranty
All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
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All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
We can Declare the Value of the Order as Customer's Remark!!!
Product Declaration

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.

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%

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

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