MACTONE MW 2A3

Pre owned. In excellent condition. Free of obvious signs of wear. Comes with original packaging.

The MACTONE MW‑2A3 is a high-quality vacuum tube power amplifier manufactured by Mactone, a renowned Japanese company founded in 1964, specializing in handcrafted tube amplifiers. The MW‑2A3 uses 2A3 output tubes in a push-pull configuration, delivering approximately 25 W per channel, enough to drive high-efficiency speakers with natural dynamics and the warmth and detail typical of tube reproduction.

Mactone’s design emphasizes signal purity, the quality of the transformers, and the use of selected components, providing an engaging, dynamic, and transparent sound. The MW‑2A3 is built solidly and crafted with attention to detail, reflecting the company’s long tradition in high-end audio manufacturing.

This amplifier is appreciated by enthusiasts and collectors for its refined tonality, musical presence, and reliability, even many years after production. Used examples of the MW‑2A3 occasionally appear on the high-end second-hand market and are considered rare and highly sought-after pieces.

Technical Specifications:

• Output power: approximately 25 W per channel (tubes, 2A3 push-pull configuration)
• Output tubes: 2A3 × 8; driver stage with 6BQ5 × 4 and 12AU7 × 2
• Frequency response: 20 Hz – 50 kHz ±1 dB
• Input sensitivity: 0.9 V / 25 W
• Residual noise: ≤ 1.5 mV
• Type: vacuum tube power amplifier
• Dimensions: 440 × 215 × 330 mm
• Weight: 22 kg