Digital Processor Reviews

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Naim Uniti CD player/receiver

In an industry whose newest products are often as discouragingly unaffordable as they are short of the sonic mark, the Naim Audio Uniti ($3795) stands out. In a single reasonably sized box, the Uniti combines the guts of Naim's Nait 5i integrated amplifier and CD5i CD player with various additional sources: an FM/DAB tuner, and interfaces for an iPod, a USB memory stick, an iRadio, and a UPnP-compatible connected computer or server—all for the price of a very good television set.

Bryston BDA-1 D/A converter

In February 2009, I reviewed Bryston Ltd.'s first CD player, the $2695 BCD-1, and was very impressed by what I heard. The BDA-1 ($1995) is the Canadian company's first standalone DAC. It's slim, only 2.75" high, with the engraved company name, model number, and infrared sensor grouped at the extreme left of a front panel of polished aluminum. Farther to the right are two columns of four LEDs each that comprise the sample-rate indicator, which identifies the selected input's signal frequency and whether the BDA-1 has locked to it. Closer to the center is the Upsample control, which governs the conversion of the incoming digital signal synchronously to 192kHz or 176.4kHz. The Upsample LED turns green for 192kHz, red for 176.4kHz. Digital sources are selected by pressing one of eight pushbuttons just right of center: two TosLink, four S/PDIF (coaxial), one AES/EBU XLR, and one USB 1.1, the last accepting only signals with sample rates at or below 48kHz. An LED above each pushbutton lights green for an incoming PCM datastreams and red for other types, including multichannel Dolby Digital streams.

Music Hall dac25.2 D/A processor

Roy Hall has been Creek Audio's US importer for more than 20 years. Did you know that all Creek gear is now made in China? Just like Cambridge Audio, Quad, and many B&W models. Just like some US speaker brands, for which virtually all parts are made in China but are assembled, it's claimed, in the US. Three cheers for brands like LFD, Rega, Sugden, and Harbeth—all still made in the UK. For French marques made in France. For Italian products produced in Italy. Etc.

dCS Puccini SACD playback system

It's now 10 years since the launch of the two high-resolution audio disc formats, SACDhttp://www.stereophile.com/asweseeit/164">SACD; and DVD-Audiohttp://www.stereophile.com/asweseeit/1099awsi">DVD-Audio;. Yet, perhaps partly because both were hobbled">http://www.stereophile.com/asweseeit/257">hobbled in various ways to please the record industry, perhaps partly because too many supposed hi-rez releases sounded no better than CD, and perhaps partly because record retailers weren't sure how to display the formats to their best advantage, neither took off in any substantive way. DVD-A disappeared, and SACD survived only as a niche format for high-quality classical releases in both two- and multichannel forms. As we got deeper into the same decade, digital technology, despite various sparks and flashes, went into the doldrums. Mainstream digital technology was increasingly concerned with squashing the music into fewer and more portable bits, not with increased sound quality. Even the concept of "CD sound quality" began to seem an unattainable goal, as MP3">http://www.stereophile.com/features/308mp3cd">MP3 files became the dominant music carrier.

HRT Music Streamer USB D/A Converter

My favorite moment in the Zack Snyder film Watchmen—apart from the Dylan-fueled title sequence, which itself contains some of the most memorable scenes in recent cinema—comes when retired crimefighter Daniel "Nite Owl II" Dreiberg arrives home to find the doctrinaire and mildly crazy Walter "Rorschach" Kovacs in his kitchen, eating beans straight from the can. The startled Dreiberg asks his visitor, "Would you like me to heat those up for you?"

HRT Music Streamer+ USB D/A Converter

Every now and then an affordable product comes along that's so good, even wealthy shoppers want it. Past examples in domestic audio include the Rega">http://www.stereophile.com/turntables/184rega">Rega RB300 tonearm, the original Quicksilver Mono amplifier, the Grace F9E phono cartridge—even Sony's unwitting CD player, the original PlayStationhttp://www.stereophile.com/cdplayers/708play">PlayStation;. Based on word of mouth alone, one might add the HRT Music Streamer+ to that lauded list.

Theta Digital DSPro Basic D/A processor

As an equipment reviewer, I find it helpful to talk to audiophiles and music lovers about their systems and upgrade plans. Fortunately, Stereophile's computer supplier and troubleshooter, Michael Mandel, also happens to be an avid audiophile. I say "fortunately" because I rarely get a chance to talk to people who put down their hard-earned money for hi-fi components. Instead, I usually converse with equipment designers, technicians, and marketing types, hardly people who reflect the buying public. It is thus a valuable education to get feedback from real-world consumers to find out what kind of products they want, their priorities, and how much they're willing to spend for certain levels of performance. They have a view distinctly different from that of the often jaded reviewer who is used to enjoying the best (albeit temporarily) without agonizing over its cost.

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