Martin Audio PSX subwooferMartin Audio has added the PSX self-powered subwoofer to its portfolio, providing a companion for the DD6, XD12 and XD15 full-range loudspeaker systems. The PSX is intended for use in portable live sound (100-400 people), smaller-scale theatre, corporate A/V, meeting hall and HOW applications.

Featuring a 15-inch (380mm)/4-inch (100mm) voice coil and long-excursion driver, it is housed in a compact reflex-ported enclosure that also contins two channels of class-D amplification – one for itself and one channel to power an XD12, an XD15, or up to three DD6s. The PSX’s class-D amplifier section produces a total peak output of 2.4kW, with 1.4kW allocated to the 15-inch subwoofer and 1kW to drive the associated full-range system. The operating range of the PSX is 48Hz-150Hz, with a peak SPL capability of 136dB at 1m.

Its lightweight, switched-mode power supply auto-ranges to global mains voltages from 100 to 240V 50/60Hz, and Power Factor Correction smoothes out the mains current draw over the whole of the AC waveform.

Onboard DSP performs delay, crossover and EQ functions, while the PSX plus full-range system can be controlled and monitored from a laptop or wireless tablet PC via intuitive VU-Net proprietary software. PC connection can be made directly via micro USB, or via Martin Audio’s proprietary U-Net network and Merlin loudspeaker and network management system.

The PSX uses internal memory to allow factory plug-and-play or user-generated DSP snapshots of the PSX/full-range combination to be recalled by means of a preset selector button on the rear panel, instead of using computer control.

The PSX’s tour-grade plywood enclosure is coated in hard-wearing polyurethane and its Declon backed steel grille is pre-curved to resist deformation in the field. Practical features include a pole-mount fitting in the top surface, bar handles and protective skids. When stacked, the skids on the base of the upper PSX enclosure align with recesses in the top of the enclosure below.

Key features:

· Compact subwoofer power plant for XD12, XD15 and DD6
· Low distortion, high-excursion voice coil driver
· 136dB peak output capability
· Onboard DSP, networking and Class-D amplification
· Switched-mode power supply with Power Factor Correction and global mains operation
· Tour-grade plywood enclosure with integral pole mount fitting
· Wheelboard and rain cowl options


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