Inverters Vs UPS Why select an inverter or UPS – what is actually the difference? Interesting question which no doubt baffles many people that really …
Transistor Equivalents – old equipment restoration
Where to find transistor equivalents? Restoring old gear can be a nightmare when it comes to some of the more obscure transistor types, and a …
Class G and H Audio Amplification – Gimmick or Wizardry
Class G and H Audio Amplifiers One design that has been out for eons and still catches us off guard is the rail shifting Class …
Power supplies for projects
Cheaper alternatives for supplying power to projects Let’s face it, EI and toroidal transformers break the budget. Going back a few decades I always recall …
Car Audio – More on amplifiers and SMPSU
Some links to car audio circuits If you read the previous article on how quickly we can become deaf through negligence or just plain stupidity …