Ifi iPurifier3 USB

Ifi iPurifier3 USB

The ifi IPurifier 3 is a device that claims to remove any d.c. offset voltage that might be present in a USB voltage and also re-clock and re-generate the USB audio data stream to eliminate jitter.
Loudness Controls - Why They're Just Wrong

Loudness Controls - Why They're Just Wrong

Loudness controls - and all controls that work a similar way, but have proprietary names - cannot work, because they they are based on a misunderstanding of how our hearing works.
I'm Shocked: Why am I Getting a Tingle?

I'm Shocked: Why am I Getting a Tingle?

These days, hi-fi and video components are technically electrically safer than they’ve ever been. So why is it very common to get an electrical shock when installing equipment? Experienced electronic designer and technician Joe Raine reveals some shocking secrets…
How To Set Subwoofer Controls

How To Set Subwoofer Controls

This article details an easy and effective method to set the volume, crossover frequency and phase controls on your subwoofer to ensure the best integration of its output with that of your loudspeakers