Category: Uncategorized

Analogue and DSP audio mixers

PA System and Mixer failure

With the millions of forums available to musicians on the web the one thing that really stands out is the bad advice that is often given out to professionals seeking assistance in buying, fixing or modifying their rigs. I want to clarify from the outset that I am not a professional musician, neither, no longer,…

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Ampacity and Current Handling of Conductors

Live shows, domestic and industrial power – it’s all about Ampacity Report: 2013:- South Africa has approximately 60 000–80 000 unnatural deaths per year, with an average of approximately 70 000 per year. There are currently 36 registered forensic pathologists in South Africa. An electrocution death is considered an unnatural death and is, therefore, referred…

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Induction Motor

Electric Motors in low current Circuits

Electric Motors, Trends over the last 50 Years For those born after 2000 an electric motor is seen as just another product of technology, just like the cell phone.  Electric motors have been with us for the last 200 years, personal handheld phone (Motorola and Martin Cooper) about 50. There is a link of course,…

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Water Treatment Plant

Innovation in South Africa

Innovation in South Africa steps up a notch! Much must be said about our not so dearly departed prez, J.G. Zuma. He may have reversed the good in this country under his tenureship but he also turned the citizens into a bunch of aspiring entrepreneurs, innovators and budding scientists.  In times of hardship innovation always…

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Blue Laser CNC Machine

The Maker Community – The CNC Machine

The CNC Machine – a positive influence on our lives An interesting topic gathering momentum is that of the CNC machine or Computer Numerical Code machines, machines driven by computers and becoming increasing popular within the DIY Maker community. Here we will look at the basic CNC machine and suppliers in South Africa. The CNC…

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Marantz 7

Hacking your HT or audio Pre-amp

Rebuilds and Tune-ups for Pre-amplifiers There seems to be a stigma about buying lesser known brands.  The fact that someone designed a device at home doesn’t mean it’s inferior.  I had a Rotel amplifier which vaguely looked like a WooFlungKak and inside it actually looked the same. In fact it was the same except for…

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Car Audio – Power over Quality

In search of the ultimate car audio system Some scientific types believe that the walls of Jericho fell because of resonance. In a few years from now we are going to be seeing a lot of hearing loss amongst generation-Y and Millenials.  Generation Baby Boomer may well be exempt except for the musician variety. Many…

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