I have a new interest in hifi and it is in active speakers. It all started with the Hypex AS2.100 modules. These weren't perfect, but still impressed me with their tight, dynamic and clear sound.

How many times have we spoken about WAF, complaining about our mates' skepticism for our favourite game? Now it's just the "wife" who felt in love for those beautiful post-modern sculptures by Audio ...

The Music Maker is a very unusual cartridge. In a world of high end "arm-jewellery" it's based on a fairly cheap Grado cartridge which is then completely stripped and rebuilt with new tip, cantilever ...

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 ...

It is becoming hard to source a good quality conventional single transport cassette deck. There are quite a few dual transport models filling out manufacturers ranges as a token gesture to the ...

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 ...

I see all sorts in this game! After the fabulously individual design of the Virtue Sensation and Piano, came the much more conventional styling of the ONIX A55 amplifier, and CD10 CD player. I had ...

Many audio equipment manufacturers these days use operational amplifiers. Operational amplifiers are a simple solution for obtaining gain and low distortion. These devices cost pennies, though there ...

Forgive me because now we're going to have on of my rambling introductions. The DRT-1t is Dynavector's new flagship cartridge. Regular readers will know that I've reviewed and been a long term user of ...

If you have already read the cited review of the CNM Tower you should be familiar with the solutions used in this series of loudspeakers. Actually, the Compact is - more or less - a Tower with a ...

In the first installment of this series we had a look at the noise generated at the output of a number of easy to build and cheap voltage regulators: single-chip series and shunt regs (LM317/337 and ...

Back in January 2010, I reviewed the P&S OPC271 OPTO-POTENTIOMETER, a volume control that used Light Dependent Resistors (LDR's) to control the volume level. To recap briefly, this allows us to do ...