Martin Audio MSX
Reflex Loaded Subwoofer
15” Subwoofer and Power Plant
Amplification, networking and DSP are all housed in MLA Mini’s companion MSX Power Plant, which includes 9 channels of Class D amplification – 1 channel for itself, and 8 channels to provide cellular drive of up to 4 bi-amped MLA Mini enclosures. Crossover, delay and EQ functions are implemented by a combination of IIR and FIR filters.
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Specifications of the MSX
| ACOUSTICAL | |
| Type | 15” reflex loaded subwoofer |
| Frequency Response | 50Hz-150Hz ± 3dB -10dB @ 42Hz |
| Maximum SPL @ 1m | 133dB continuous, 136dB peak |
| DRIVER | 1 x 15” (380mm)/4” (100mm) voice coil, ultra-long excursion, high efficiency ferrite magnet |
| RATED POWER | 800W AES, 3200W peak |
| MSX DISPERSION | Omnidirectional. Cardioid arrays possible, using multiple MSX enclosures |
| AUDIO INPUT | |
| Connectors | Female XLR input, male XLR link output |
| Analogue Input Impedance | 20kΩ balanced to ground |
| Maximum Analogue Input Level | 6.15Vrms (+18dBu), over voltage protected |
| AES/EBU Impedance | 110Ω balanced, receive and transmit termination |
| INTERNAL PROCESSING | Multi-channel DSP, programmable via network, 10 PEQ/shelving filters per channel, Up to 48dB/Oct HPF and LPF, FIR filtering on MLA Mini channels, Up to 1 second of delay, Limiters with amplifier output current monitoring |
| NETWORK | |
| Connectors: | 2 x NL8 outputs to MLA Mini x 4 |
| Protocol | U-NET |
| AMPLIFIER MODULE | |
| Type: | 9 channel switch-mode, class D |
| Peak Output Power | 7000W total, 1400W MSX (or alternative 4 Ohm subwoofer), 700W MLA Mini LF x 4, 700W MLA Mini HF x 4 |
| Average Efficiency | 85% |
| Cooling | 2 x temperature controlled internal fans, 1 x low-speed internal blower, 2 x temperature controlled external fans |
| Maximum Ambient Temperature | 45°C (113°F) for full output |
| POWER SUPPLY | |
| Type. | Switch mode, fixed frequency with PFC |
| AC Input Operating Range | 100 – 240V ~ AC, 50 – 60Hz |
| Power Factors | > 0.95 |
| Nominal Power Consumption | 900W |
| Mains Connector | Neutrik® Powercon True1 |
| GENERAL | |
| Enclosure | Extensively braced multi-laminate birch-ply |
| Finish | Textured black PU coating |
| Protective Grille | Black HEX perforated steel |
| Fittings | Two skids on base, with mating channels on top, M20 top-mounted thread plate for MLA Mini pole, Integral flyware for suspension of up to 4 MSX, Large bar handle on each side, Two front-mounted latch plates for wheelboard, Optional weather protection cowl |
| IP Rating | Indoor (without weather protection cowl), IP 25 (with weather protection cowl) |
| Dimensions | (W) 500mm x (H) 510mm x (D) 575mm (675mm with vent flap open), (W) 19.7in x (H) 20.1in x (D) 22.6in (26.6in) |
| Weight | 58kg (128lbs), 65kg (143lbs) incl. wheelboard |
| Accessories | Flying pin, Ground stack bars, Ground stack base plate, Mains distribution system, Tour-grade network interconnects, Merlin Controller/U-NET Hub |
