January 17, 2020

See Redback at the ENTECH Roadshow in March 2020

Redback Audio will be in attendance at this years ENTECH Roadshow presented by CX Magazine. The compact and convenient local venues make ENTECH Roadshow the perfect opportunity for integrators, designers and end-users to get face time with the best suppliers and manufacturers in a vibrant one day event. Rather than having miles of aisles to wander […]

January 6, 2020

Product Update – AS ISO 7240.24 Approvals Ongoing (as at January 2020)

The lengthy approvals process for our range of AS ISO7240.24 fire speakers is ongoing, however several key lines are now available for installation in major building projects.  Below is the full list of approved and pending lines (as at January 2020): Approved  Model Description  Type CF2053B 10W 100V IP66 Black Plastic Fire Horn Speaker* Horn [...]
June 17, 2019

Sound Pressure Level (SPL) Distance Calculator

When designing PA systems, especially those for fire/evacuation announcement systems,  SPL at a given distance can be a critical measurement. This handy calculator allows you to determine the dB level at a given distance by inputting SPL rating 1W/1m, listening distance (such as distance to bedhead) and power tap selection.  This can be used with […]

May 11, 2017

School Lockdown Systems Explained

Schools in Australia are now required to have protocols in place for conditions that require the campus to be locked down. These types of events are unique in that they require students and staff to remain within the confines of the school rather than be evacuated. The definition of a lockdown would be a situation [...]
March 20, 2017

Balanced vs Unbalanced Audio – What’s the difference?

  Public address systems typically feature two types of signals, commonly known as balanced and unbalanced. In order to minimise signal path noise and get the right output level for your system its important to choose the right lead for the right job. First lets discuss the types of signals, balanced and unbalanced. Unbalanced Signals […]

March 13, 2017

Programming the Redback Yearly School Timer.

  The A 4510 Yearly School Timer has been designed to keep schools running on time by providing scheduled announcements through the PA system. We have put together a quick guide here to help with setting up a new installation in a school. This is ideal for the installer to use, or as a reference […]

Guides, How To
October 14, 2016

Hearing Loop Systems Explained

What is a hearing induction loop?  An induction loop or otherwise known as a “hearing loop” or “t-loop” assists the hearing impaired by providing sound directly to a hearing aid via an induced magnetic field. This is done by looping copper around the room. Induction loops can be the size of a small meeting room […]

August 18, 2016

Choosing the right cabling for a 100V line speaker system

A 100V line speaker system is tremendously flexible when you consider the distances over which speaker signals can be transported. Each speaker circuit is capable of being run over huge distances, but it is still important to consider cable losses. With all electrical connections the loss of power increases as the length of the cable […]

August 18, 2016

What is ‘100V Line Monitoring’?

Line monitoring is an essential part of 100V line speaker systems which form the part of a fire and evacuation system. It allows monitoring of each speaker zone circuit for open and short circuit faults by measuring the impedance of the line. This allows the user to centrally monitor the status of each speaker zone [...]
July 19, 2016

Understanding 100V Line Distributed Speaker Systems.

Commercial audio installations often require large numbers of speakers to be powered from a single amplifier. These systems often called “100V line” or less common in Australia “70V line” are found in most large buildings including shopping centres, schools, offices etc. These audio systems are typically used for general announcing, public address, background music and […]