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Acoustic Revive RTS-30 and RKI-5005 Turntable Sheets and Anti-vibration Pads


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 Meeting 130 - Impex Records' S1TEP Patricia Barber, Café Blue 


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


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 RPC-1K Passive AC filter


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 »


Krakow Sonic Society Meeting No.129 - Santana's Santana


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 »


Polish Jazz Remasters 2016


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 Quest Preamplifier and REI Amplifier


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 »


Accuphase C-3900 Line Preamplifier


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 Meeting 128 - Ayon Audio S-10 II Signature Streamer/Network Player


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 »


How Loud?


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 »


MITSUBISHI ProDigi Digital Reel-to-Reel Recorders - From X-80 to X-880, Part 2


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 »


The Editors Series 30 - Dave Clark of Positive Feedback


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 »


MITSUBISHI ProDigi Digital Reel-to-Reel Recorders - From X-80 to X-880


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 Designer Audio RSA-V10 Integrated Amplifier


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 »


Technology - AAD, ADD, DDD: the SPARS Code in the 21st century


"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 CD - Or How to Find the Best Sounding CD Pressing


"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 »


The Gryphon ETHOS Compact Disc Player


Gryphon, that for some time now have been using name The Gryphon, is a Danish company, founded in 1986 by Flemming E. Rasmussen. Its products feature an extremely characteristic design and all belong to the high-end class. What draws attention is not only its fantastic construction, but also a beautiful logotype depicting a griffin—a mythical... Read More »


Re-Issue Series - Verve Master Editions


In April 1997, jazz magazines published numerous ads of the re-edition of Verve Records, bearing the common name "Verve Master Edition:" HIGHER STANDARD "Verve Master Editions" - the ultimate sound quality and releases for serious collectors. "Verve Master Editions" are new releases of the groundbreaking Verve discs from the 1950s and 1960s, using the best... Read More »


Vitus Audio Signature Series SIA-030 Integrated Amplifier


PREMIERE The first amplifier from the Danish company Vitus Audio was presented in 2003. Earlier, however, for eight years, its project was improved and perfected. Hans Ole Vitus Nielsen is the founder and head of the company, as well as its chief designer. We are testing his latest product, the SIA-030 integrated amplifier, weighing 63... Read More »


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