Category: Pre-amplifiers

DIY DAC for Audio

Bits, Bytes and Sampling – DIY DAC To kick off we need to piss of a couple of people, one being the high end user wanting the fastest sampling rate possible and the second, that cheap means nasty. A DIY DAC may mean a purchase and mod with better supply or even a build from…

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Transistor equivalents

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 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…

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Audio mixing, amplification and attenuation.

Line and Microphone inputs

What is the difference between Line and Microphone Inputs This is a question often asked in the forums, not necessarily as simplified as this but there is often ambiguity in the replies. So here we will look at what not to do and hopefully this will prevent mishaps in the inter-wiring of consumer and professional…

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