CD Player/Transport Reviews

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Thomas J. Norton  |  Nov 10, 2016  |  First Published: Jan 01, 1991  | 
Like its Prism I predecessor, which I reviewed in May 1988, the Mod Squad Prism II is based on a Philips player: the same 16-bit, 4x-oversampling converter, the same general control layout. But The Mod Squad does their own extensive remanufacture, both on the internal circuitry and on the cosmetics—the latter involving a handsomely sculptured case and metal front trim-panel surrounding Philips's command center.
Thomas J. Norton  |  Oct 20, 2016  |  First Published: Jan 01, 1991  | 
With Sony's latest flagship single-box player ($1700), we find yet another variant on 1-bit D/A technology—High Density Linear Converter, or HDLC. At the heart of this Pulse Length Modulation (footnote 1) D/A technique is Sony's CXD-2552 Pulse D/A converter (two per channel in complementary mode in the CDP-X77ES). This complex LSI chip incorporates a third-order noise shaper, the PLM converter, and a digital sync circuit receiving its input from the system clock.
Bill Sommerwerck, Sam Tellig  |  Jul 05, 2016  |  First Published: Aug 01, 1986  | 
There's a race on between Sony and Matsushita, to determine who can build the smallest battery-operated CD player with the most features. Sony currently holds the lead with its second-generation D-7 ($300), about 30% smaller than the first "pocket" CD, the D-5. Most of the reduction is in height; both players have a horizontal cross-section only slightly larger than the CD itself. The illusion of smallness is further enhanced by an angled front panel with beveled edges.
J. Gordon Holt  |  Jun 09, 2016  |  First Published: Oct 01, 1984  | 
CD player prices continue to go down and, surprisingly, sound quality goes up; the Yamaha CD-X1 is an example of both. It's a front-drawer loader with some interesting innovations. Pushing the Open/Close button opens the drawer; it can be closed either by pushing the same button again or by pressing lightly against the end of the open drawer. (We understand this was done because many such players have been damaged by users trying to force the drawer shut by hand.)

The unit has three operating modes: Auto, Manual and Single. In Auto, play begins as soon as the drawer is closed, or as soon as the AC is turned on if a disc is already loaded. In Manual, play begins only when you press the Play button. Single is the same as Manual except that the unit goes into Pause after playing a single selection. Pressing Pause then plays the next selection.

Art Dudley  |  Mar 24, 2016  | 
Described by manufacturer April Music as an "all-in-one music center," the Aura Note Version 2 ($2500) is a 125Wpc integrated amplifier with a built-in CD player, USB DAC, and FM tuner. The Aura Note is further enhanced by a Bluetooth receiver, a pair of line-level output jacks, and a headphone jack.

The hackneyed but not inappropriate comparison to a Swiss Army knife comes to mind—but where that well-loved tool does a great many things with less than perfection, I've now heard the Aura Note V2 do at least two different things well enough that no excuses need be made on its behalf.

Art Dudley  |  Feb 24, 2016  | 
I don't listen to music when I write, even when I write about listening to music: When there's music playing, it almost always gets my full attention—and I'm no good at multitasking. (And if I'm around music that's awful and I'm powerless to stop it, I have to leave the premises.) A rare exception is when I listen to CDs while proofreading, because proofreading is fairly brainless stuff—and as playback formats go, the Compact Disc isn't the most musically compelling.
Corey Greenberg  |  Feb 16, 2016  |  First Published: Feb 01, 1992  | 
The $800 JVC XL-Z1050TN 1050 is the Bitstream successor to JVC's popular 18-bit XL-Z1010, which got an enthusiastic thumbs-up from Robert Harley in April 1990 (Vol.13 No.4). Its styling is, in my opinion, much improved over the older player's, with the distinctive brushed-bronze finish of the rest of JVC's XL-Z line. The rear panel sports fixed and variable outputs (footnote 1), as well as Toslink optical and coaxial digital outputs. As with the 1010, the JVC features their proprietary K2 Interface, a circuit that reduces jitter by resampling the pulses with a short-duration gate just ahead of the single-bit JVC JCE-4501 DAC chip.
Art Dudley  |  Dec 29, 2015  | 
I don't know much about horses, but I've been given to understand that dead ones don't respond to even the severest beating. In light of that, I'll make only this brief statement—Even with the best playback gear of my experience, I don't derive as much pleasure from CDs as I do from LPs.—and move on to a simpler truth: Regardless of what I think, CD players are still a necessity for most music-loving audiophiles.
Dick Olsher  |  Dec 18, 2015  |  First Published: Jun 01, 1995  | 
In 1995, as the compact disc enters its second decade of commercial reality, it's fair to say that the associated hardware has come of age, exorcising at last the digital gremlins of time-base jitter and quantization noise. Digital-processor maturation is particularly evident in the design of the all-critical D/A processor. The simplistic digital circuitry of yesterday has given way to considerable design sophistication that deals directly with jitter and low-level nonlinearities.
Robert Harley  |  Dec 08, 2015  |  First Published: Oct 01, 1993  | 
It's easy for reviewers to become jaded by the high prices of some audio products. We get the products in our listening rooms—albeit temporarily—without having to part with our own money. Consequently, we get enthusiastic about products that offer real breakthroughs without, perhaps, fully considering their cost.
Thomas J. Norton, Sam Tellig  |  Nov 12, 2015  |  First Published: Oct 01, 1988  | 
Let's go back a few years. Well, more than a few, actually. The electronics end of high-end audio consisted of two companies—Marantz and McIntosh. If you were not up to shopping at their stratospheric price level—even though the industry hadn't yet invented components priced to compete with automobiles—you could always fall back on Dynaco, the poor man's high end in kit form. You hooked all this together with two-dollar connecting cables and 16-gauge zip cord purchased from the local electrical supply house, or—if you felt particularly flush—you'd spend a few (very few) bucks more at Fred's Stereo for the cables with the fancy molded plugs. Hoses were used for watering the lawns.
Robert Harley  |  Apr 17, 2015  |  First Published: Nov 01, 1991  | 
"In the fields of observation, chance favors only the mind that is prepared."

When Louis Pasteur uttered these words more than a hundred years ago, he must have speculated that they would apply equally well to future circumstances as to the events of his day. What he couldn't anticipate, however, was the technology to which his insight now seems so appropriate.

J. Gordon Holt, Steven W. Watkinson  |  Feb 26, 2015  |  First Published: May 01, 1985  | 
Publisher's Note: For the first time since I've published Stereophile, we are running two completely different—and opposed— reports on the same product. Normally, we try to reach some conclusion as to why reviewers come up with opposite views on a product, and resolve the problem prior to publication. In this case, the problem lies in the differing sound systems used for review. Since some readers will have systems like SWW's, and others will have systems more like JGH's, I felt it was valuable to run both reviews.

For the record, SWW's reference system consists of Dayton Wright XG-lO speakers, BEL 1001 amplifiers, a Klyne preamp, a SOTA Star Sapphire turntable, the Well-Tempered Arm (or Sumiko Arm), and a Talisman S cartridge. The sound on analog disc is far preferable to that from CD, being much more alive and present, and with a tendency to exaggerate sibilants. The low end of the system is awesome, the high end extended, and transients are rendered with a great feeling of immediacy and quickness.

Michael Fremer  |  Nov 13, 2014  | 
Can a power-supply upgrade produce audible sonic benefits? If you've upgraded the power supply of a phono preamplifier, you probably don't need to be convinced that it does, and those usually cost only a small percentage of the price of the model they power. But to add Simaudio's Moon Evolution 820S power supply ($8000) to the Moon Evolution 650D DAC–CD transport ($9000), which I reviewed in the November 2011 issue, almost doubles the latter's cost—though the 820S can be used to simultaneously power two Moon Evolution components, like the 750D DAC ($14,000), 740P preamplifier ($9500), and 610LP ($7500) and 810LP phono preamplifier ($13,000).
John Marks  |  Jul 30, 2014  | 
The CD-200 is the new CD-only player from TASCAM, the professional-audio division of TEAC (footnote 1). It has unbalanced analog outputs, and RCA and optical digital outputs. The CD-200 also has a new transport, the CD-5020A, designed by TEAC for audio use.

Unlike many affordable disc-spinning devices with slot-loading transports (eg, inexpensive DVD players starting at $29.99), the CD-200 has a traditional drawer mechanism that has been upgraded to minimize the noise of loading and clamping a disc. TASCAM also claims improvements in the internal clock function, for smoother sound and lower jitter.

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