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Classroom Installations

Double vision for The Grange P-12

The Grange P-12 College is a Prep to Year 12 government school located in the outer western suburb of Hoppers Crossing, Melbourne, Australia. The Grange P-12 College has a student population of 1927, offering a curriculum for years P–12 split over two campuses, Callistemon and Deloraine.


Virtual Reality, Coding, Robotics and Artificial Intelligence are all in the sights of the college as they prepare their students for life in the 21st century workplace.

The team at DIB love supporting the future thought leaders of the world by providing professional and high quality audiovisual systems to carry this message of innovative science, technology and maths based learning.

The Challenge

The Grange P-12 College team wanted to install an audiovisual system into a room in their junior campus. The room had unique challenges. The first was a very wide room and the second was a large void between the ceiling and the likely screen location, requiring some smart technical design to handle both brightness, throw angle, throw distance and install locations.

In addition to the physical issues at this site, the Grange team also needed a system with a lot of flexibility since they use a wide variety of HDMI sources – laptops, Apple TV, wireless connections and more.

Our solution

For this brief, DIB selected two EPSON EB-2265WU 5,500 ANSI WUXGA FULL HD Installation Projectors.

We also added a Kramer HDMI matrix, which allows the college to point various sources to various screens, giving a more sophisticated control from a standard signal splitter. As well as an Extron Small Processor and 7” Extron Touch Screen Control Panel which has the capacity to easily control the entire system and send signals to multiple locations.

With a large distance between projector and source equipment, we also had to take into account signal degradation and chose a HDBaseT signal distribution system consisting of transmitters, receivers and cabling. HDMI has a maximum cable length of 10metres before signal is disrupted.

Mixer Amps and speakers complete the system.

A final system design choice was placing HDMI and Microphone connection points outside of the AV rack, allowing teachers to attach their laptops without constantly going into the AV rack which is not an ideal situation.

The Space

With a big, wide area, we needed two projectors because one would not have adequate viewing angle for this room. We also needed to find the right projector to throw an adequate sized image from a ceiling installation down to the screens due to a large void/area between ceiling and screen locations.

Contact DIB Audiovisual for assistance on your project on (03) 9457 4800.