Agere Systems is now sampling its TrueStore PA7800 pre-amplifier IC, which brings its fast operating speed of 2.5 Gbits/s and lower power consumption to the new generation of hard disk drive heads.

At $3,200 for the combo, Quad revives a 57-year old design for audiophiles seeking modern conveniences with retro nostalgia. Vintage audio remains very popular with consumers spending a great deal of ...

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates with a ...

Cambridge Audio has taken the Azur 840 series to its peak with the introduction of two new models — the 840E pre-amplifier and 840W power amplifier. The 840E is a high-end pre-amplifier which uses ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. British Hi-Fi brand Audiolab is adding to its flagship 9000 ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Probably one of the most celebrated amplifiers ever ...

Rega's new flagship preamplifier and power amplifier have been an open secret: the brand has been showing off the new Mercury and Solis products at trade shows over the last year – we caught our first ...

Zero-drift amplifiers dynamically correct their offset voltage and reshape noise density. Two commonly used types—auto-zero amplifiers and choppers—achieve nanovolt-level offsets and extremely low ...

One of my first jobs as an engineer was at Empire Scientific Corp. in Garden City, NY in 1972. This was a high-end audio company that made speakers, turntables and phonograph cartridges. We had some ...