If you're considering your audio-visual setup in any detail, you've almost certainly come across the concept of an amplifier or receiver to handle the sound. But what exactly is the difference between ...

Three low-power difference amplifiers are available that are as small as 4.9 mm x 3 mm; these amplifiers feature slew rates up to 10 times faster than competing products, it’s claimed. Designed for ...

Right, I'm not saying nobody needs those extra inputs. I'm just saying I'm surprised someone hasn't taken that receiver dal20402 posted, chopped out everything but the digital inputs and speaker ...

Mainly eBay to be honest. Past sales for these items suggests £350 for the Quad 606 power amp, maybe £100 for the pre-amp (this is why I had my eye on the recently reduced Denon AVR-X2600H).