Sigma Acoustics · Orchestra
Orchestra 2.9
Born from the success of the MAAT series to offer a more accessible flagship.
Sonic characteristics
Falling in love with music.
At the heart of the sound is the new Papiro/Alnico midrange — already used on the MAAT Vector XAC — which, thanks to the lightness of the cone and the control of the Alnico magnet, generates a sonic character of rare naturalness.
The drivers
The synergy of drivers.
The Heil tweeter — Air Motion Transformer — is recognised as one of the finest high-frequency drivers of any era: the speed with which it creates sound and returns to silence gives a sense of tangible presence.
The cabinet
Form serves only the sound.
A perfect fusion of aesthetic form in pure service of sound, with diagonal routing and curves that distribute the energy emitted by the drivers. Multi-layer hardwood veneers and high-density MDF, each calibrated to absorb or resonate at critical frequencies.
Technical specifications
Data sheet
All relevant parameters for the integration and technical evaluation of the Orchestra 2.9 model.
Complete technical documentation, CAD files and frequency response curves are available on request.
| Type | 3-way · 3 separate cabinets · patented SCV system |
| Tweeter | AMT Kapton neodymium with TOE and time alignment |
| Midrange | 22 cm Papiro / Alnico |
| Woofer | 42 cm (15") fibreglass with tuned port |
| Sensitivity | 95 dB · 8 Ω (min 6 Ω) |
| Frequency response | 19 – 30,000 Hz |
| Recommended amplification | 15 W to 500 W |
| Crossover | 6 dB/octave · White Gold Litz wiring |
| Dimensions | 44 × 66 × h136 cm |
| Weight | 110 kg each |
| Warranty | 10 years on cabinet · 5 years on components |