Amplifier Accessories

Q 2007 • Digital Audio Impedance Meter

The Redback impedance meter is an absolute necessity for all PA system installers. An impedance meter is critical for accurately measuring low impedance loudspeaker systems, incorporating multiple speakers and crossovers, and for measuring commercial 70V or 100V line speaker systems, which may include many speakers with line transformers and several hundred meters of cable.

A 2711 • USB/SD Music Player Module For Phase 5 Mixers

Optional Plugin Board to suit the A 4275 and A 4285 mixer amplifiers. It enables integrated playback of MP3 files from USB sticks and SD memory cards. Compact size slots neatly into the front panel.

A 4373 • Digital Volume Board Option for Phase5 Amplifiers

When fitted and used in conjunction with A 2280B wallplate to provide remote volume level adjustment. Ideal for situations where the amplifier is located in a remote rack.

A 4573 • Alert/Evac Tone Generator Module

Optional Plugin Board to suit a range of Redback Amplifiers. It generates pre chime, bell, alert and evacuation tones. The alert tone can function continuously, or switch to evac tone after a preset time delay.

A 2280B • Remote Volume Control Wallplate

A dual cover wall plate with volume control knob. Connects via figure 8 cable to the “remote volume” terminals of the amplifier. Enabling overall volume to be adjusted as required.