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A5131 • 4 Input 3 Tier Priority Mixer


Cat. Page 68


  • $349.00
  • 2+ $329.00
  • Price per each
  • Includes GST


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Last updated 20-09-18 02:20:11

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  • Accessories
  • Popular

Half Rack 19" Rack Bracket


  • $58.00
  • 2+ $53.00
  • 4+ $48.00
  • Price per each

Half Rack Desk Bracket


  • $15.50
  • 2+ $14.00
  • 4+ $12.50
  • Price per each

Half Rack Metal In Fill Panel to Suit H 4990


  • $27.95
  • 2+ $25.00
  • 4+ $23.00
  • Price per each

Half Rack Plastic In Fill Panel to Suit H 4990


  • $18.95
  • 2+ $17.95
  • 4+ $16.50
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  • Overview
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This four channel mixer features 4 balanced mic inputs and 3 line inputs. Input 1 is a dedicated balanced mic input whilst inputs 2 - 4 can accept either balanced mic or line level. Microphone connections are via 5 way pluggable euro block and line connections are via stereo RCA socket (converted to mono internally). Two outputs are provided, one for balanced output (level selectable 3mV or 1V) and one for line level.
3 modes of priority are selectable via the DIP switch on the rear:
Cascade: Input 1 overrides 2-4, Input 2 overrides 3-4, Input 3 overrides 4.
FIBD: Regardless of which input is being used, it automatically blocks out all other inputs.
None: No priority therefore all inputs will be mixed as per a normal mixer.
The system can be configured for PTT muting which operates only with microphone inputs, or VOX muting which operates with both microphone and line inputs.
Each input is equipped with a volume control and channel active LED indicator.


  • 4 balanced microphone / 3 line inputs
  • 3 modes of priority Cascade, FIBD, None
  • VOX or PTT muting
  • VOX muting or both mic and line inputs
  • Channel active indicators
  • Stylish half width 1RU chassis
  • 24V DC operation
  • Separate volume for each input
  • Adjustable VOX sensitivity for each input
  • 24V DC plugpack included
  • Includes Power Supply

Rack Mounting:
To mount any of the Redback half rack products into a 19" wide racking system, the H 4990 bracket is required. If a single product is mounted into the H 4990, then a metal (H 4992) or plastic (H 4993) infill panel can be fitted for a neater finish.

100% developed, designed & assembled in Australia.
Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support. Read more about our Australian Made products

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. Read more about our industry leading warranty.


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*Specifications are subject to change without notice.

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