Integrated Amp Reviews

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Erick Lichte  |  Mar 18, 2011  |  1 comments
My first trip to a Consumer Electronics Show, in January 2010, was an eye-opener. Not only had I never before seen the phony glories of Las Vegas, it was the first time I'd been to a high-end audio show. Between the offerings on the top floors of the Venetian and T.H.E. Show at the Flamingo, I met some great people and heard some wonderful new products. One of those people was distributor Kevin Deal, and one of those new products was from Mystère. Though I was familiar with the PrimaLuna line that Deal also distributes, Mystère was, well, a mystery. However, after a listen to the Mystère pa21 power amplifier making a pair of MartinLogan speakers sing, and after noting the reasonable prices for some of Mystère's beautifully designed and built amps, I put Mystère in my review queue.
Ken Micallef  |  Sep 27, 2018  |  0 comments
In 2015, the venerable Canadian audio company NAD introduced its soon-to-be-popular D 3020 integrated amplifier ($499), which combined 30Wpc output, streaming capability, and an onboard DAC in a slick, contoured case. NAD's latest D/A integrated also smartly combines trend with functionality, lifestyle convenience with technological advancement. The C 328 Hybrid Digital amplifier ($549) goes its older, smaller sibling a couple steps better in features, while reverting to NAD's traditional look: an unfancy box finished in a dark shade of matte gray with subtle white lettering and logo.
Jim Austin  |  Oct 22, 2006  |  0 comments
At the extreme high end—Halcro, VTL, Boulder, etc.—reviewers gush about a lack of character. If you're paying $20,000, you want a preamplifier or power amp to disappear. At those price points we also want extreme, unfatiguing resolution, and noise that's well below what most people would consider audible. But at those prices, an absence of character is definitely something most people aspire to.
Chip Stern  |  Jan 04, 2002  |  0 comments
NAD has been out there on the leading edge of entry-level high-end sound long enough that some audiophiles reckon they invented the category. Sure, we should give serious props to the likes of Creek, Rotel, Musical Fidelity, Arcam, Denon, and Parasound, all of which have made significant contributions to the musical aspirations of budget-conscious pilgrims. But I continue to harbor warm feelings about my last extended visit with an NAD component: the inexpensive yet supremely musical L40 CD Receiver, which I reviewed in the June 2000 Stereophile.
Stephen Mejias  |  Apr 10, 2015  |  9 comments
In the mornings, just before I leave for work, I power up the system, turn the volume down low, and set the CD player to Repeat. I like to think that if I play calm, soothing music while Ms. Little and I are away, the cats will feel less alone and more relaxed. It's also nice, on returning home from work, to walk into a room filled with music. One evening a few weeks ago, I stepped into the apartment, dropped my bags to the floor, settled down into the couch with my iPhone, and began scrolling through text messages. I'd been seated for only a moment before I had to turn my attention entirely to the sound of the system, which, even at a very low volume, sounded warm, detailed, and unusually good—unbelievably, almost unbearably engaging.
John Atkinson  |  Mar 15, 2010  |  1 comments
A decade ago, many predicted that amplifiers with switching or class-D output stages would come to dominate high-end audio. In a post–Peak Oil world in which the price of energy would always continue to rise, a class-D amplifier's very high efficiency in converting AC from the wall outlet into speaker-driving power would be a killer benefit. Although a conventional push-pull class-B amplifier has a theoretical efficiency of 78.5%, which would seem usefully high, this efficiency is obtained only at the onset of clipping; the need for the output devices to carry a standing bias current reduces that efficiency considerably, typically to around 50%. Class-A amplifiers are even less efficient, with a maximum of 25%; ie, three times as much power is dissipated by the amplifier as waste heat as is used to drive the loudspeaker (see "Sam's Space" in this issue).
Michael Fremer  |  Jan 21, 2007  |  1 comments
Older audiophiles remember the splash NAD made in the late 1970s with the introduction of their 3020 integrated amplifier ($175). Ridiculously cheap, it looked graceful and sounded warm, inviting, and holographic. Removable jumpers between the 3020's sections permitted enthusiasts to determine whether the magic resided in its preamp, its power amp, or in some synergy of both.
John Atkinson  |  Dec 23, 2019  |  32 comments
High-quality playback of digital audio is evolving in two opposed directions. One is where a smart wireless loudspeaker, like the KEF LSX or DALI Callisto 6 C, needs to be connected to a simple source of data. The other is where a smart amplifier takes the data from wherever it needs and sends it to a pair of dumb loudspeakers. NAD's Masters Series M32 integrated amplifier ($4848 with its optional MDC DD-BluOS module), which I reviewed in May 2018, is a great-sounding example of the latter approach.

In the spring of 2019, NAD introduced the Masters Series M10 ($2749). At first I assumed that the M10 was a stripped-down, less-powerful version of the M32, but the new amplifier offers a unique set of features.

John Atkinson  |  Apr 26, 2018  |  3 comments
When I asked NAD for a sample of their Masters Series M50.2 digital music player, which I reviewed in the December 2017 issue, they also sent me a Masters Series M32 DirectDigital integrated amplifier, which had also been introduced at the 2017 Consumer Electronics Show. Costing $3999, the M32 offers a continuous power output of >150W into 8 or 4 ohms. The M32 is the same size as the M50.2, and its smart-looking combination of matte black and gray-anodized aluminum panels make it look identical to the player, except for the black volume-control knob to the right of the front panel's four-color touchscreen, and the ¼" headphone jack at bottom left. It even has the same eight ventilation grilles inset in the black top panel.
Kalman Rubinson  |  Sep 28, 2020  |  11 comments
On the cold and sunny morning of February 19, 2020, a dozen or so audio critics and writers gathered at Gilmore's Sound Advice on New York's far West Side to see some new NAD and DALI products that had been unveiled the prior month at CES. It was a friendly group, and we kibitzed over coffee before clustering in the arranged seats for presentations and auditions. I doubt any of us realized that it would be the last time for the foreseeable future that we would experience this familiar rite.
Herb Reichert  |  Sep 26, 2014  |  5 comments
Some among us remember a time when audio was divided into rival interests. On the left side of the pond was the New World, where left-brainers believed that vanishing harmonic distortion meant that "all amplifiers sound the same," and that good loudspeakers are a high-fidelity audio system's most important components. Across the waves, so-called flat-earthers claimed that the most important part of the playback chain was the turntable. (Of secondary importance were the tonearm and cartridge, followed by the preamp and amplifier. Loudspeakers were deemed relatively unimportant.) In the 1980s, this extremist idea of the "front end first" captured the imaginations of audiophiles, mostly in the Mother Country.
Ken Micallef  |  Feb 15, 2018  |  27 comments
Audiophiles are oblivious to the low-end music-reproduction medium that's currently staging a comeback: the cassette tape (footnote 1). I've adopted the cassette craze in my own small way. I glory in the trusted mixtape, which I play in the stereo cassette deck of my 1990s Toyota. An automobile is a dearly cherished possession in New York City; when I cruise the outer boroughs on Sunday, I want tunes galore. So I retrieved my 1996 Aiwa cassette deck, and, attic-bound as it had been for 20 years, it was in need of repair. Via Yelp, I came across Hi-Tech Electronics, a small repair-everything-electronic shop at the east end of Canal Street, in New York's Chinatown, and a mother lode of classic audio gear and audiophile nostalgia.
Robert Harley, Sam Tellig  |  Aug 08, 1995  |  First Published: Aug 08, 1985  |  0 comments
The $395 NAIT, rated at 20Wpc, is a good-sounding little amp. It's very open and spacious-sounding, but, like the $250 Rotel RA-820BX, sometimes sounds a little hard in the upper registers.
Art Dudley  |  Jan 30, 2008  |  1 comments
"We've tried making it more powerful. When I was away on holiday, some of our people cooked up a more powerful version and presented it to me on my return. It sounded awful."
Art Dudley  |  Mar 22, 2010  |  1 comments
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.

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