Stereo Vacuum Tubes PSVANE Vacuum Tubes HIFI 2A3C replace 2A3 2A3B for AMP DIY

2A3C

HIFI series: classic style, exquisite craft, perfect and stable sound performance, the world’s largest HIFI series seller, best choice for you.

2A3C is direct-heated cathode middle- power double triode, and it is used as class A1, AB1 amplification.

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 %
Class AB1, push-full (fixed 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 %

2A3 tube:
Psvane HIFI 2A3C		Psvane T-II Classic 2A3-TⅡ
Psvane T 2A3-T		Psvane T-II Premium 2A3-TⅡ
Psvane WR2A3
Shuguang Treasure 2A3C-Z		Shuguang Natural T 2A3C-T
Shuguang HIFI 2A3C		Shuguang HIFI 2A3B

Established in 2007 as an Electronic parts supplier, we start supplying NOS tubes to tube AMP factories since 2010. Nowadays, we are also supplying new tubes and other hifi DIY parts to tube amplifier factories and audiophiles.

Our production line:

1. Stereo Vacuum Tubes

2. Electronic Vacuum Tube

3. Vintage Vacuum Tubes

4. Vacuum Tube Sockets

5. Audio Electrolytic Capacitors

6. DIY LED Diode

7. Audiophile Grade Resistors

8. Tube AMP Board

9. Tube AMP Parts

10. Tube AMP Transformer

11. Guitar AMP Volume Knob

12. Guitar Amplifier Handles

All Hifi parts and tubes from us are sold at reasonable price with good quality, Welcome to visiting our website, we will provide best service no matter you are big HIFI products factories or individual audiophile.

Have a nice day!