Classic Style Monoblock Tube Amp Maximum Rating Pa 15W PSVANE HIFI 2A3C Tube Replacing 2A3 2A3B

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

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Classic Style Monoblock Tube Amp Maximum Rating Pa 15W PSVANE HIFI 2A3C Tube Replacing 2A3 2A3B Images