Peavey Commercial Audio has announced the introduction of the MediaMatrix sPower Series of multi-channel smart power amplifiers designed for applications that require a large quantity of constant voltage output channels.
The sPower Series offers seven different models that support either four- and eight-channel outputs at 75, 150, or 300 watts per channel plus a higher-power four-channel model stated to provide 600 watts per channel. The also include optionally selectable 70-volt RMS (true 100-volt peak) or 100-volt (true 140-volt peak) output amplifier channels.
The Class-D output topology is designed to provide maximum efficiency and minimal heat dissipation. The unit is cooled with a low-volume internal air-exchange system. A Switch Mode Power Supply (SMPS) helps to regulate power supply rails, designed to deliver full specified power regardless of A/C power conditions operating anywhere between 85 to 250 volts (43 to 63 Hz at 2400 watts). Also onboard is a 110 Hz high-pass filter with 12 dB per octave per selectable channel.
The back panel includes a serial RS485 control port which, in conjunction with the MediaMatrix nWare 3.0 ControlManager software suite, allows for amplifier monitoring and control. Additionally, loudspeaker loads as low as 5 watts rated output can be monitored. All sPower amplifiers are designed to enable the use of intelligent load limiting on the amplifier output stage, preventing overdrive and designed with protections against short circuits, overheating, over-currents, and DC over-voltage.
A unique feature to the sPower amplifiers is an automated high-power change-over relay per output channel, which provides a N/O connection allowing any of the internal amplifier channels to act as a backup in case the primary amplifier channel fails. Alternatively, an addition external amplifier channel to back-up the primary amplifier channel can be used for a true “n+1 redundancy” at the same output port without the need to physically change the loudspeaker cable circuit.
