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Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

Product Details:

Place of Origin: China
Brand Name: PSVANE
Certification: Rhos
Model Number: HIFI 2A3B

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard box
Payment Terms: Paypal, T/T, Western Union
Supply Ability: 1000pcs/month
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Detailed Product Description
Type: Audio Tube Model: HIFI 2A3B
Brand: PSVANE Application: Tube Amplifier
Socket: 4 Pins Material: Glass

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

 

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

 

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

 

 


2A3 is a direct-heated cathode power double triode, it is used in classA1, AB1 amplifier.

 

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

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 M

 

 

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 %

 

 

 

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

 

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

 

Stereo Vacuum Tubes Tested HiFi 2A3B 2A3 Psvane Vacuum Tube For Tube Amp

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Youda Audio Co. Limited

Contact Person: Vanessa

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