Acoustic Design Master.12
3-way reference loudspeaker with four sensor-controlled 22-cm woofers
The Master.12 is our flagship model from the Classic line—a testament to a success story that has been highly praised in the trade press for its technical superiority.
3-way design featuring a sealed bass enclosure, four sensor-controlled 220-mm carbon woofers, and a coaxial midrange/tweeter driver (magnesium/beryllium). The MDF construction with steel-ball-filled internal chambers ensures an exceptionally low-resonance enclosure.
In this version, the Master.12 is offered as a purely passive model—stripped down to the essentials for the highest level of sonic precision.
Colors & Finishes: Master.12 Reference Floorstanding Speakers
- White, Satin-Matte
- High-Gloss White
- Zebrano
- Wild cherry
- American Walnut Veneer
- Oak (stained black)
- Mocca
- Black, Satin Matte
- High-gloss black
- Custom RAL color (made-to-order, upon request)
Master.12Passive
Description
The Master.12 is our flagship model. Four sensor-controlled 220-mm carbon woofers in a sealed enclosure and a coaxial midrange/tweeter driver made of magnesium and beryllium ensure the highest level of sonic precision. The MDF construction with steel-ball-filled internal chambers makes the enclosure exceptionally low in resonance.
Features
- Coaxial driver: magnesium midrange driver and beryllium tweeter
- 4 × 220-mm carbon woofers, sensor-controlled
- 3-Way Concept
- Sealed bass enclosure
- Active individual control of the woofers (4 × 180 W)
- Inner chambers filled with steel balls
Technical Specifications
| Construction Method | 3-way, sealed woofer enclosure |
|---|---|
| Chassis | 4 × 220 mm carbon woofers (sensor-controlled); coaxial: 148 mm magnesium midrange driver, 25 mm beryllium tweeter |
| Active Electronics for Low Frequencies | 4 power amplifiers, 180 W each |
| Transition Frequencies | 200 Hz / 2,500 Hz |
| Frequency range | 20–25,000 Hz |
| Impedance | 4 Ω nominal, min. 3.1 Ω |
| Load capacity | 200 W sine wave |
| Dimensions W × H × D | 345 × 1400 × 680 mm (including spikes) |
| Weight | 105 kg |
| Warranty | 36 months |