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RP22 Immersive Audio Guidelines v1.0

Norman Varney

Norman Varney of AV RoomService Ltd. has joined Positive Feedback as a Senior Technical Editor as of Issue 113. His expertise in his field of audio acoustics and experience in the field makes him a helpful voice in our creative community for the audio arts. As has been our wont from the...



Octave Records Releases Audiophile Masters Volume IX, a Reference-Quality Music Sampler Disc

Positive Feedback

The latest in Octave’s sonic reference series features a wide range of acoustic-based music, recorded in extraordinary Pure DSD sound Boulder, Colorado, February 27, 2024 – PS Audio’s Octave Records has released Audiophile Masters Volume IX, the latest in its series of reference-quality music-sampler recordings. This collection is focused on acoustic-based performances, ranging from the...





Vera-Fi Audio VBH-1 Vibration Black Hole Isolation Feet

Tom Gibbs

Since my move to South Carolina, I've been in the process of slowly refining and (hopefully!) finalizing my seemingly ever-evolving audio systems. With regard to the analog system, the recent addition of the PS Audio Stellar phono preamp has gotten me very close to the end-game for the room. The...


Puron AC Power Conditioners, Distributed by Vera-Fi Audio

Tom Gibbs

There are two recent observations I've made in high-end audio: 1) There are a plethora of relatively inexpensive devices that can add significantly to your enjoyment of music and video playback, even if those devices may appear to be incapable of making a difference. Also, 2) The number of "audio...



The Goddess of Love Inspires Aphrodite, a New Reference Speaker from Alta Audio

Positive Feedback

Four-way Aphrodite Designed for Best-in-Class Two- and Multi-channel Sound Reproduction  MELVILLE, NY, January 24, 2024 – Alta Audio, the company that combines advanced technology and outstanding aesthetics to create industry-leading home audio loudspeakers, today announced Aphrodite, a four-way floor-standing speaker that heralds a new era for the brand. “Aphrodite is the ultimate statement...



Trumpet MC Phono Stage from Hagerman Audio Labs

Robert H. Levi

This third incarnation of the Trumpet MC Phono Stage is a musical blockbuster. With an amazing purity combined with near reference definition, the listener will be transported to the event as close as the vinyl allows. Very flexible and versatile, the Trumpet heralds a breakthrough performance similar to my reference stages at...


Audio Art Cables -The Loom Effect

Tom Gibbs

When we left off (HERE), I had just contacted Rob Fritz at Audio Art Cable about possibly getting set up with a loom of cables for both my digital and analog room systems. While I didn't press Rob to go the "full loom" route, he did agree to send me...


The Usher Audio UA-50 Anniversary Three-Way Monitor Loudspeakers

Juan C. Ayllon

Photo courtesy of usheraudio.com.tw Suppose high-performance three-way monitors with a retro 80s vibe, a lush midrange, an updated curved chassis, and modern diamond tweeters pique your interest. In that case, the Usher Audio UA-50 Anniversary Loudspeakers should be on your radar. In celebration of its 50th anniversary as an audio...


Capital Audiofest 2023

Scott Dorsey

It's that time of year again and the Capital Audiofest has come around and an awful lot of people went to it. An awful lot of people; it was just packed in the hallways and some of the more popular demo rooms were pretty solid. I went, but because it...



Audio by Van Alstine M750 Mono Amplifiers

Larry Cox

Audio by Van Alstine ("AVA") is a familiar name to long toothed audiophiles, but maybe not so much for newer audiophiles. Fifty plus years ago Frank Van Alstine founded AVA, building a reputation for good sounding, high value products. AVA started selling direct to consumers when that was called "mail...


ATC LAUNCHES C4 SUB MK 2 ACTIVE SUBWOOFER SYSTEM

Positive Feedback

New proprietary 12-inch driver, optimized motor mechanics and a 300W Class AB amplifier combine to deliver exceptional levels of performance for audiophile music and film devotees. Las Vegas, NV, November 28, 2023 – World renowned for its signature high output, low-distortion audio engineering and trusted by musicians, studios, live sound engineers and audiophiles...


Graphite Audio Classic 100 Ultra Isolation Platform

Wojciech Pacuła

Graphite Audio is a young Polish brand, established in 2020 after many years of work on successive anti-vibration solutions. Its founder and designer is Szymon Rutkowski. The company offers isolation platforms, cones, speaker spike bases and cable isolation stands. This is a premiere test of the Classic 100 Ultra platform. ...


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