Online Parts International

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 old radios, tube and semiconductor, integrated amplifiers, turntables and tape decks. Belts and power supplies and many semiconductors have equivalents but we get stuck with Germanium, decals, knobs and switches with most […]

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 pretty expensive exercise as well. Transistor equivalents for substitution is often a necessity when repairing vintage gear. This applies equally well to silicon devices and not just Germanium. Years back we were […]

Magnum Rework Station 3005

The best soldering iron and rework stations for the job? Of course this is a commonly asked question and the reply will always be to get the best one can afford.  Most home users are now spending a lot more money on getting better quality soldering and rework stations to complete projects. Cheaper irons, the home store […]

Pulse width modulation and chopper drivers for stepper motors If there’s anything that can be said about modern electronics it’s going to include MOSFET technology, reliability and the application notes brought out by the manufacturers. Calling back the past

Curved HDTV, Bluetooth and Sound Bars Love it or hate it, Bluetooth is making a big comeback in the world of audio. Although Bluetooth never really left our shores it’s only with the iPhone 7 that we gather a lot more emphasis is being placed by certain manufacturers on either Bluetooth or Wi-Fi or both. (here it […]

Asian Imports – not purchasing a white elephant In today’s throwaway world it becomes enticing to purchase something cheaply because either you are cheap 🙂 or more importantly, if it doesn’t work you can just trash.  There is of course a cut off point to what is cheap. A student may baulk at paying R200.00 for a […]

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