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Acoustic Revive is a Japanese company that was set up in 1997, run by Mr. Ken Ishiguro-san. It specializes in connectors and anti-vibration products, but also offers innovative devices, most often the brainchildren of the University of Tokyo. We are testing one of the company's products that filter ground interference—the RGC-24K. The artificial ground, or—as... Read More »

A reference system is a fundament of audio reviewer's work. It is his working tool. It turns out, however, that although we all want the same thing, and we want to capture the nature of the tested product or the reviewed album as best as possible, the way to achieve it can very significantly. It... Read More »

Krakow Sonic Society  is an informal group of music lovers, audiophiles, friends, meeting to learn something new about audio products, recordings, music, etc. The idea for KTS was born in 2005 and this is now its 132 meeting. Many steps led to the 132 meeting of the Krakow Sonic Society—bigger and smaller, but necessary ones.... Read More »

WORLD PREMIERE Acoustic revive is a Japanese company founded in 1997 and run by Mr. Ken Ishiguro-san. It specializes in connection cables and anti-vibration products, but offers also  innovative products, the ideas of which are most often sourced from the University of Tokyo. We test its products containing a mineral called Kiyoh-stone. The use of minerals... Read More »

Krakow Sonic Society is an informal group of music lovers, audiophiles and friends who meet to learn something new about audio products, records, music, etc. The idea for the Society was conceived in 2005. This is already its 130th meeting. It took both Impex Records and High Fidelity a while… And it started as usual:... Read More »

Colored vinyl, or a few words about the phenomenon of colored vinyl with the Komeda Quintet's Astigmatic in the version released on the artists 90th birthday as an example. Colored vinyl LPs are flooding shops and the Internet. What's the point in that? Do consumers really get more or is it just a way to... Read More »

Acoustic revive is a Japanese company founded in 1997 and run by Mr. Ken Ishiguro-san. It specializes in audio cables and anti-vibration products, but it also offers innovative ones, the ideas of which most often come from the University of Tokyo. We are testing one of the products used to filter the AC supply voltage,... Read More »

We are listening to the album: Santana, Santana Krakow Sonic Society is an informal group of music lovers, audiophiles and friends who meet to learn something new about audio products, records, music, etc. The idea for Krakow Sonic Society was conceived in 2005 and this is already meeting No. 129. THE MUSICIAN In the last few years,... Read More »

Two more titles from the "Polish Jazz" series in the new releases of Warner Music Poland: Young Power, Young Power. Polish Jazz vol. 72 Jaroslaw Smietana Sounds & Colours. Polish Jazz vol. 73 The "Polish Jazz" series is one of the national treasure of Polish culture—and I say it with full conviction. As part of it, selected,... Read More »

WestminsterLab is a company founded in London (hence the name), currently headquartered in Hong Kong, run by Angus Leung. Its offer includes connection cables and amplifiers, belonging to the top high-end level. For this review we received the Quest preamplifier and REI monoblocks; the preamplifier has its premier in HF. There are brands in audio... Read More »

The Japanese company Accuphase was set up in 1972 as Kensonic Laboratory, Inc. in Tokyo and after it moved to Yokohama in 1973, its products have born the Accuphase logo. It used to specialize in amplifiers and radio tuners, and later also in CD and SACD players. We are testing its latest, top-of-the-range C-3900 line... Read More »

KRAKOW SONIC SOCIETY is an informal group of audiophiles and friends who meet every now and then to learn something new about audio products, music releases, music itself, and so on. The idea for KSS was born in 2005. It has already been the 128th. KSS meeting.  THE ENTERTEINMENT INDUSTRY IN THE TIME OF PANDEMIC... Read More »

Or, why recordings don't always sound the same. We listen to music in various conditions, sometimes loud, sometimes quietly. However, in order to hear what is really there, we have to take into account, how it was mixed and mastered. I don't know if you pay attention to the fact that a given album sounds... Read More »

It is the story of birth of digital audio, as well as a journey through the 1970s and 1980s, the best period in the history of digital recorders, and finally the story of their unique representatives; reel-to-tape recorders from Mitsubishi. (Part 1 can be found HERE) DIGITAL SOUND RECORDING method of preserving sound in which... Read More »

Positive Feedback is an American audio magazine. From 1990 to 2002 it had been printed, but then it started to be published online only; it is one of the oldest and largest online audio magazines in the world. We are talking to one of its founders, Dave Clark. Dave and Carol Clark in their listening... Read More »

It is the story of birth of digital audio, as well as a journey through the 1970s and 1980s, the best period in the history of digital recorders, and finally the story of their unique representatives—reel-to-tape recorders from MITSUBISHI Mitsubishi. (Part 2 can be found HERE) DIGITAL SOUND RECORDING – method of preserving sound in... Read More »

SPEC Corporation is a Japanese company founded by Mr. Shirokazu Yazaka, a former chief engineer at TEAC and Pioneer, to achieve one goal: to deliver tube sound using semiconductor technology. The RSA-V10 is its latest integrated amplifier in class D. This is its world premiere. It seems that Class D amplifiers are no longer a... Read More »

"The SPARS code is a three-position alphabetic classification system developed in the early 1980s by the Society of Professional Audio Recording Services (SPARS) for commercial compact disc releases to denote aspects of the sound recording and reproduction process, distinguishing between the use of analog equipment and digital equipment." Wikipedia, USA Richard James Burgess, the Marketing, Sales and Licensing Director at Smithsonian Folkways Recording, i.e. the non-profit... Read More »

"First Press" ("1st Press") is a term used to describe LP releases. It is used to describe the earliest editions of a given title. This is a difficult topic and collectors specializing in it are usually focused on some part of the publishing market. But it is very similar with Compact Discs—below we will discuss... Read More »