Experience the pure essence of tube amplification with our 2A3 Single-Ended Class A amplifier. Celebrated by audiophiles for its exceptionally warm, detailed, and transparent sound signature, the 2A3 tube delivers a mesmerizing musical performance that truly captures the magic of vacuum tube technology. Perfectly suited for both bookshelf and floor-standing speakers, this amplifier brings unmatched clarity and musicality to your listening space.
Legendary 2A3 Sound: Enjoy the renowned sonic purity of 2A3 power tubes, known for their exquisite midrange transparency and smooth, natural tonal balance
Premium Circuit Design: Features 6SN7 vacuum tubes in a cascode amplification circuit, providing exceptional frequency response, rich harmonic richness, and ultra-low distortion
Superior Output Transformers: Custom-wound with premium 0.35mm Japanese silicon steel laminations using 3+2 layered segmented winding technique
Authentic Hand-Wired Craftsmanship: Built with traditional point-to-point (搭棚) wiring for superior signal integrity and long-term reliability
•Global Voltage Compatibility: 115V/230V input voltage selection for worldwide use
Amplifier Type: 2A3 Single-Ended Class A
Output Power: 5W × 2 channels
Output Impedance: 0-4-8 Ω
Frequency Response: 19Hz-26kHz
Total Harmonic Distortion: <1% @ 1kHz
Signal-to-Noise Ratio: >88dB
Input Sensitivity: 600mV-1900mV
Input Impedance: 100kΩ
Power Consumption: ~100W
Vacuum Tubes: 2A3 ×2, 6SN7 ×2, 5U4G ×1
Dimensions: 320mm(W) × 200mm(D) × 150mm(H)
Weight: ≈11kg
Power Supply: 115V/230V switchable
Recommended Use:
For optimal performance, pair with high-sensitivity speakers (90dB+ recommended)
Ideal for small to medium-sized listening rooms
Allow 20-30 minutes warm-up for best sound quality
Perfect for vocal, jazz, and acoustic music reproduction
