The three circuits were based on the vacuum tube ECC83 designed to produce phono preamplifiers in compliance with the RIAA standards. Recording Industry Association of America (RIAA) – the trade group ...

Audio Research introduced the PH8 vacuum tube phono preamplifier that benefits from a number of circuit and parts improvements derived from their REF Phono 2. Rather than using the four 6922s of it ...

There’s magic in an LP’s grooves, and the ModWright PH 9.0 phono preamp lets you hear more of it. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a ...

Always hankered after a retro-chic McIntosh valve preamplifier and compatible power amp to match? Feast your eyes on this neat new duo. Despite style cues that nod to the firm's 1950s and 1960s design ...

We have no intention of wading into the vacuum tube versus silicon debates audiophiles seem to thrive on. But we know a quality build when we see it, and this gorgeous tube preamp certainly looks like ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. McIntosh is the kind of high-end audio brand that most ...

High-end audio manufacturer McIntosh has announced the launch of two new preamplifiers which, to use its own words, are the company's "latest masterpieces". The C55 solid-state preamp arrives ...

The Rogue Audio RP-9 tube preamplifier sets a very high standard in the category but is it worth the high asking price? Indeed it is. The Rogue Audio RP-9 is the latest flagship preamplifier from the ...

The objective of building this circuit is to create a preamplifier based on the Hampton standard with the utilization of vacuum tubes for use with moving coil cartridge. ECC88 – a VHF double triode ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...