The above schematic comprises almost anything you can put around the ubiquitous LM317 positive 3-pin regulator (LM337 for negative voltages, 117 and 137 military versions). The basic circuit dispenses ...

£500 extra buys the £2799 Thorens TD1601 over the £2299 TD1600. This £500 buys an optical sensor arm lift. "£500 for an end of side arm lift?" Demand Plebs, stage left, "Surely that's a lot of dosh to ...

Yamamoto is a small Japanese high-end audio company, founded by Mr. Shigeki Yamamoto about 25 years ago. They are well known for their tube amplifiers and horn loudspeakers, so we are talking the more ...

The year is 1985. I'm a young school teacher with all the buying power that profession usually brings to the market. But I loved music and so blew £250 on a second hand Linn LP12 - why that turntable?

PMC, the Professional Monitor Company, is an English loudspeaker manufacturer based in Luton. They've been around for more than 20 years now and have a very good reputation for both professional ...

How about some artisan analogue audio imagery from an ancient land and the time of the Kimono? Fellow vinyl voyagers, I would like to introduce the NIPPON PRECISION JEWEL INDUSTRY CO. LTD., otherwise ...

Miracles do occasionally happen. Consider cylinder records and phonographs. Both disappeared from the market in 1929, by which point the players were yesterday's technology and much of the music ...

There are numerous, sometimes conflicting, theories on the best ways to keep LP records and replay stylii clean, but one thing everyone agrees on is that either or both must be kept clean to minimise ...

This Danish company is, if anything, then dedicated to its own concepts. Only its entry level products use classic technology - from their mid priced units upwards, they use fully balanced topology.

Why use transformers at all? For years, many phono stage designs came up with direct moving coil input, be it from Mark Levinson, be it from Accuphase, or many others. I am doing DIY transistor for ...

Above is the basic application diagram of the TL431, including bypass capacitor C2 which reduces gain and noise at above DC. The input dropper resistor is replaced with a fixed current source of 30mA, ...

Intona Technology is a German team specialising in signal processing devices for professional applications. Their new product - claimed to be a world first - is designed to galvanically isolate the ...