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...
MPPT vs PWM and Power Inverters topology
Pulse width modulation has been with us for ages but MPPT has gained massive traction over the last few years as engineers attempt to maximise...
Solar Energy – some pitfalls
What is the deepest concern most people have wanting to install solar PV? Return on investment, initial capital outlay, eco-waste, weather not conducive to efficiency?...
EV – Why, when and where
Frankly it's not surprising that we are seeing a huge amount of interest and financial muscle being thrown at the electric auto industry. It's also...
Buying yourself that great used car in the South African Market
So what's the buzz these days in the used car market? Always keen to hear of the changes in trends, which cars are popular and...
Inverters Vs UPS
Inverters Vs UPS Why select an inverter or UPS – what is actually the difference? Interesting question which no doubt baffles many people that really...
Education and Careers in South Africa
Am I the only one thinking that many students are committing career suicide by spending more time politicking, writing up their antics on FaceBook and...
RIAA Preamplifiers on a Budget
Pre-amp Circuits for turntable MM or MC reproduction Apologies for the lack of updates over the last few weeks, our scribe has been off ill...
Parts for Vintage Equipment
Where to get vintage gear spares? Over the last 6 months I have received quite a few mails from desperate individuals wishing to restore their...
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...