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Rha t10 Earphone (in German)


Mir war diese Firma nicht bekannt, bevor ich auf den Norddeutschen HiFi-Tagen den Stand von Digital Highend besuchte, deren Portfolio audiophile Größen wie Amarra oder Auralic beinhaltet. Nun sind die Produkte des schottischen Kopfhörer-Herstellers RHA auch in Deutschland zu haben


Aurender X-725 Amplifier (in German)


Das Design signalisiert Purismus pur. Nur ein Drehknopf ziert neben dem Infrarotempfänger die Front – und dieser Lautstärkeregler gibt auch einen Hinweis auf die Bestimmung dieser Komponente innerhalb des Portfolios des südkoreanischen Hersteller: Als Wandler/Verstärkerkombination ergänzt der X-725 die Musikserver Produktfamilie


Xivero-Musicscope Software Part II (in German)


Bei der Vorstellung des kleinen, ebenso hilfreichen wie erschwinglichen und daher sehr empfehlenswerten Programms haben wir nur schlicht hochgerechnete und damit schlecht gefälschte Hochbit-Musik-Dateien gezeigt. Hier lernen Sie auch Fakes kennen, bei denen sich die Fälscher etwas mehr Mühe gegeben haben


Musings on Building a Digital Music Server: Catching Up on Portable, High-Resolution Audio with the RAL REX-KEB02iP


"A smile like the cartoon, tooth for a tooth you said that irony was the shackles of youth you wore a shirt of violent green, uh-huh I never understood the frequency, uh-huh" —"What's the Frequency, Kenneth?" by REM As Slim Pickens' character says in the film Dr. Strangelove, "Well, I've been to one world fair, a... Read More »


The Early Annals of High-end Audio, Rediscovered


Everyone takes the limits of their own vision for the limits of the world. – Arthur Schopenhauer DEDICATION To J. Gordon Holt and Harry Pearson, who regrettably missed out on beholding their own antecedents, which both would have so enjoyed reading. Our modern times have been blessed with a copious amount of writing about music reproduction.... Read More »


A Factory Tour In The Enchanting Foothills Of Arizona - D'Agostino Master Audio Systems


Petra and Dan D'Agostino are two of the rare ones. Yes, Dan's legacy is firmly locked in place after Krell Industries and now his Dan D'Agostino Master Audio product lines. To say the least, Dan is an industry Icon, but he is much more than this and has much more to do. I think he... Read More »


ALO's Studio Six Amplifier: On the Road From Remarkable to Exceptional


ALO's Studio Six has been an integral part of the heart-and-soul of my beloved Sonic Satori Personal Audio Lab since its inception. What the hell is the SSPAL? For the un-initiated: I've been working on a range of headphone systems that, IMHO, reproduce some of the most musically-engaging, excitable, and sonically addictive music playback experiences I could find.... Read More »


The SPEC RSA-M3 EX Real Sound Amplifier from Japan


Most regular readers of Positive Feedback know of my long-time passion for vacuum tube electronics. I've enjoyed the musical prowess and sonic chops of contemporary artisan-designed single-ended amplifiers with various output tubes, like the EL84, 45, 2A3, 300B, F2a, and 845 output valves; as well as inspired push-pull amplifiers using KT88, EL84, KT66, EL34, KT90 outputs, and... Read More »


The Nativity of Native (DSD)


This article was published recently by our good friends at NativeDSD.com (see HERE). In it, Ted Brady makes some useful distinctions and clarifies some definitions about DSD. Given the growing interest in DSD, and the excellence of Ted's commentary, it is our belief that this article will benefit the readers of Positive Feedback. His remarks are presented... Read More »


The Neoteric Listener…The Triangle Antal Anniversary Loudspeaker


Clothes may make the man, but what do loudspeakers make you? Sure, we all wish the fashion police would drape a hazmat pancho over that ratty Dynaco Dynamite! T-shirt stretched tight as tube top on your audio buddy. But who is in charge of equally egregious audio disasters like the ear-shredding "faithful to the source" experiment? What... Read More »


Can We Trust Our Hearing?


We can't hear the absolute absolutely. Our ears are organic matter evolved over generations of overlapping genes. No two are exactly alike, including our own, just as no two ears located at the slightly lopsided extremities of a bumpy skull are diametrically synchronized. Add to that that both can't be equally sensitive to sound or deteriorate at... Read More »


Impressions: The Walker Audio Proscenium Black Diamond, Level V, Walker Audio Procession Phono Amplifier, the Walker Audio Eliminator, Room Crystals, and the Soundsmith Hyperion MI Cartridge (plus a supporting cast!) – a photo essay


The Walker Audio Proscenium Black Diamond Level V Reference Turntable Slow train comin'… First things first. Those of you who haven't already read my extensive review of the Audionet reference system elsewhere in this issue (HERE) need to stop right here, go to that essay, and complete it before going on with this one. It... Read More »


The Audio Circular - No. 14 in a Series of Parallel Narratives


A couple of years ago, I promised Positive Feedback readers that I'd tackle a few topics on which I was less than proficient. As an audiophile and audio writer, I've learned an amazing amount in the past 15 years, yet I am inexperienced in a few subsets of high-end audio. And even though I've been listening to... Read More »


Why Are There No Blue Fairies?


Forget the obvious "fairies" wisecrack for a moment, and think about this: Although the internet is thick with guys out there playing the "Troll", there are no "Anti-trolls" at all―not even one "Blue Fairy." If, like me, you enjoy sharing your thoughts with other people on the internet, whether on Facebook, on Twitter, in some... Read More »


The Audio Circular: No. 15 in a Series of Parallel Narratives


The Pass Labs XA30.5 vs. XA30.8: A Classic Matchup! [In my best Michael Buffer ring announcer voice] Ladies and Gentlemen, welcome to the Pass Labs Class A Lightweight Ch(amp)ionship of the World! In one corner, weighing in at a svelte 62 pounds without cardboard, the reigning champion, XA30.5! In the opposite corner, weighing in at 106 pounds boxed... Read More »


iFi Audio STEREO 50 + LS3.5 - Integrated amplifier/DAC + loudspeakers


It's hard to take eyes off new iFi products. This British company using logos, letters and design that all look like taken from Luxman, Leak, or Richard Allan products from 60ties or 70 ties, or from present production of Leben, entered a new (for them) niche part of a market usually called "vintage" (if you... Read More »


Oyaide ACROSS 750 RR V2, TUNAMI II SP-B V2 and TUNAMI GPX-R V2 - Interconnect, speaker, and power cables


It must be a real shock for a company that uses some particular material as a key element for its products when it learns that it won't be manufactured anymore by a single provider. If the whole philosophy of a company, which means its all activity, is based on this single element/material the end of... Read More »


Lumïn S1 - Audiophile Network Music Player


The world today relies on charts and measurements and results. And while audiophilia tries hard not to follow the mainstream, pointing out its weaknesses and failures, we should still use this popular "method" of evaluating things, simply because in this particular case it will allow us to save some time. S1 is the latest product of Hong... Read More »


Thrax Audio - TERES + LYRA Power amplifier + loudspeakers


To be honest I can't remember how it started. In my own review of Dionysos preamplifier for January 2011 I wrote that I'd firstly learned about existence of Thrax Audio one year earlier during High End 2010 Show in Munich. But now I really can't remember any details. It seems though that I somehow knew already then... Read More »


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