Sigma Acoustics · M Series
M15
The pinnacle of the series. A top-of-the-range 3-way system.
Sonic characteristics
A stage of emotionsbefore you.
The M15 represents the apex of the M Series, with custom Scan Speak midrange and woofer drivers selected specifically for maximum tonal precision and bass extension.
Design
Custom components.
Three-way system with custom Scan Speak components: synthesised fibre midrange and hard-coated paper sandwich woofer. AMT Heil tweeter with adjustable vertical dispersion. The result: a soundstage of rare naturalness.
The cabinet
Hand-built in Italy.
Cabinets from Venetian cabinetmakers. Mirror-polish polyester lacquer or natural wood finishes. Every unit assembled and tuned by hand.
Technical specifications
Data sheet
All relevant parameters for the integration and technical evaluation of the M15 model.
Complete technical documentation, CAD files and frequency response curves are available on request.
| Type | 3-way bass-reflex |
| Tweeter | Heil AMT with adjustable vertical dispersion |
| Midrange | Scan Speak 5" synthesised fibre |
| Woofer | Scan Speak 8.5" hard-coated paper sandwich |
| Sensitivity | 89.5 dB |
| Impedance | 8 Ω |
| Max power | 300 W |
| Recommended amplification | 20 W to 300 W |
| Frequency response | 28 – 30,000 Hz ± 3 dB |
| Crossover | 6 dB/octave · first order |
| Dimensions | 27 × 48 × h121 cm (base included) |
| Weight | 40 kg each |
| Warranty | 10 years on cabinet · 5 years on components |