A 4389 • Public Address Amplifier (PA) 250W 6 Input

Designed for applications requiring up to six microphone inputs, without compromising output power and overall performance. Each model features inputs which can be configured for either microphone or line level operation.  Bass/treble controls, phantom powering and adjustable input sensitivity enable unparallelled flexibility for a wide scope of applications such as factories, workshops, mine sites, sports clubs and office buildings.

Key Features:

• 6 Balanced microphone inputs / 6 Aux inputs / 1 Music input
• Robust design incorporating latest Mosfet technology
• Very Low noise and distortion
• 100V standard with optional 70V and 4-16Ω outputs
• 240V AC or 24V DC operation
• VOX muting on inputs 1 and 2 (Switch selectable internally)
• Adjustable VOX level sensitivities
• Bass and Treble controls
• Tape Output
• Phantom power on microphone inputs (DIP switch selectable internally)
• Multi stage thermally cued fan cooling
• Output Peak Limited
• Thermal Overload protected
• Signal Presence Indicator
• Half power mode when overdriven
• Fault Indicators
• 24V DC Power Status Indicator
• Optional Alert/Evac module with voice over message for emergency tones (A 4573)
• Optional remote volume (With A 4373 Digital volume control module fitted and external A 2280B wall plate)
• Rack Mountable (suits 19 inch racks) with optional A 4376 rack ears

 

---

Developed, designed & assembled in Australia.
Since 1974 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 50 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support.

---

Backed by an industry leading 10 Year Manufacturer Warranty.
Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service.