Phono Preamp Reviews

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Analog CornerCable ReviewsPhono Preamp ReviewsTurntable Reviews
Analog Corner # 247: Dr. Feickert Firebird turntable, Viva Fono MC phono preamplifier, AcroLink and Fono Acustica interconnects
Michael Fremer  |  Apr 11, 2024  |  First Published: Mar 01, 2016  |  0 comments
Dr. Feickert Analogue's top-of-the line turntable, the Firebird ($12,500), is a generously sized record player designed to easily accommodate two 12" tonearms. Its three brushless, three-phase DC motors, arranged around the platter in an equilateral triangle, are connected to a proprietary controller in a phase-locked loop (PLL); according to the Firebird's designer, Dr. Christian Feickert, a reference signal from just one of the motors drives all three—thus one motor is the master while the other two are slaves. (Man, today that is politically incorrect, however descriptively accurate.)
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Phono Preamp Reviews
Spin Doctor #10: Tone Controls, Vinyl EQ Curves, and the Mola Mola Lupe
Michael Trei  |  Feb 28, 2024  |  0 comments
Twice in the last month I have been at someone's house, servicing their turntable, when they asked whether they should be considering a new phono preamp that offers additional playback equalization curves besides the standard RIAA. My usual reaction is to thumb through their record collection, where, more often than not, I find that they don't own a single record that was cut using a curve other than RIAA.

Phono playback EQ is one of those audiophile topics that stokes some people's passions, with plenty of disagreements about how important it is. I have seen grown men get into heated discussions about the history of record EQ curves, but in truth, the subject is only likely to matter if you listen to a lot of 78s or original mono LPs pressed between the late 1940s and the mid-1950s.

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Analog CornerPhono Cartridge ReviewsPhono Preamp Reviews
Analog Corner #249: LKV Research Veros One phono preamp, Triangle Art Apollo MC cartridge
Michael Fremer  |  Feb 09, 2024  |  First Published: May 01, 2016  |  0 comments
Designer Bill Hutchins, of LKV Research, builds the 2-SB moving-magnet/moving-coil phono preamplifier in North Conway, in the White Mountains of New Hampshire; he uses as many US-sourced parts as possible, and sells his products factory direct. I reviewed the 2-SB in March 2014, on AnalogPlanet.com: the 2-SB's sound was exceptionally fine—especially if you like refined, solid-state quiet and detail, and especially considering its then-price of $2500. Since that review's publication, the 2-SB has been upgraded with a version of the third gain stage from LKV's JFET-based Veros One phono preamp ($6500; see below), and its price has risen to a still-reasonable $3000.

In May 2014, Bill Hutchins introduced the Veros One phono preamplifier ($6500).

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Gramophone DreamsPhono Preamp Reviews
Gramophone Dreams #80: Mobile Fidelity Electronics MasterPhono
Herb Reichert  |  Dec 28, 2023  |  8 comments
During my cub reporter days at Stereophile, I was always on the lookout, casting about for midlevel analog components I might latch on to, ones that could join my long-term daily-driver reference system by complementing the character of my midlevel DeVore Fidelity Orangutan O/93 and Falcon LS3/5a loudspeakers. I was searching for these basic traits: alive and vigorous, clear and well-sorted, relaxed and natural. One of my first-ever Stereophile reviews, in the October 2014 issue, was of Sentec's EQ11 phono preamplifier, which featured six EQ choices, selectable from the front panel, Bakelite knobs, Switchcraft switches, and a gray Hammerite-paint finish.

When I reviewed the Sentec, I owned three turntables and about 300 records. But phono stage–wise, I was a beggar and a borrower, hoping a friend's phono pre or some review product would jump out of the deck and become my reference.

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Brilliant CornersPhono Preamp Reviews
Brilliant Corners #10: Tron Electric Convergence Signature & PrimaLuna EVO 100 phono stages
Alex Halberstadt  |  Dec 21, 2023  |  3 comments
"The phonograph record is an art form itself," Lester Koenig wrote in March 1959, "and one of its advantages is the performance that exists uniquely of, by and for the record." Remarkably, when Koenig included this pronouncement in his liner notes to Sonny Rollins and the Contemporary Leaders, the 12" long-play record had been the dominant carrier of recorded music for less than a decade, and stereo discs had been mass-produced for just over a year.

For Koenig, this issue wasn't merely academic. Before making his name as head of Contemporary Records in Los Angeles, he had attended Yale Law School, worked as a screenwriter and producer at Paramount, and gotten blacklisted by the House Committee on Un-American Activities. At Contemporary, he set out to become a leading practitioner of the art of phonography.

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Analog CornerPhono Preamp Reviews
Analog Corner #251: ModWright PH 150 phono stage
Michael Fremer  |  Dec 11, 2023  |  First Published: Jul 01, 2016  |  0 comments
ModWright Instruments' PH 150 moving-coil/moving-magnet phono stage measures 17" wide by 5" high by 12" deep and weighs 19lb. Knobs on its front panel let you easily make adjustments that with some phono preamps require accessing the rear panel or going inside. Starting at the left, the Select knob offers settings for MC, MM, and Mute. The Gain knob offers levels of 0dB, –6dB, and –12dB. With MC selected, those settings would correspond with 72, 66, and 60dB of gain, respectively; with MM, the numbers would be 57, 51, and 45dB, the last being more typical of most MM stages.

First, let's talk about problems with grounding and hum...

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Gramophone DreamsPhono Preamp ReviewsTurntable Reviews
Gramophone Dreams #79: a Vintage Lenco L75 turntable & the PrimaLuna EVO 100 phono stage
Herb Reichert  |  Dec 05, 2023  |  13 comments
My adoptive mother, Lily Mae, was a retired businesswoman and former fashion model turned stay-at-home mom and artist-painter with famously good taste in everything. She raised me to have good manners, an "active awareness of color and texture," and "an eye for form." She expected me to critique her paintings, her decorating, and her wardrobe, urging me constantly to develop "good taste in everything."

In Lil's world, a perfect day was for me to skip school and go with her clothes shopping at Marshall Field's, where it was my job to sit in a plush chair offering comments about which outfits had the best fabrics and best "complimented her form." She always said "form is bones" and fashion is about "how fabrics hang on people's bones."

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Computer Audio ReviewsDigital Processor ReviewsPhono Preamp ReviewsSolid State Preamp Reviews
Mytek Digital Brooklyn Bridge II Roon Core preamplifier
Tom Fine  |  Sep 01, 2023  |  9 comments
The concept of streaming digital music files over distances great (as with internet-streaming services like Spotify, Qobuz, Tidal, etc.) and small (from a home-PC hard drive, NAS, or networked music server) became mainstream only recently. But it was already brewing during the late 20th century, with people illegally downloading low-bitrate MP3 files made from CD rips and coming close to killing the recorded-music industry.

That wasn't streaming exactly, or not in the current sense, because the files needed to be downloaded, stored locally, then either played out of a computer or loaded onto a portable player, but from that point forward it was a steady march to the streaming-dominated present.

Never mind Napster—the first subscription audio "streaming" service was one you probably wouldn't think of: Audible, the audio book service now owned by Amazon, which started up in 1995. I did beta testing and editing work for early-days Audible, and around that time, I started loading up home-ripped MP3 files on a pocket-sized Rio MP3 player (which by then had replaced Audible's proprietary player), using it in place of a portable CD player. This led to experiments with a PC music library/player running Linux, controlled by a Handspring PalmOS device connected to the stereo system via a Sound Blaster 16 card.

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Gramophone DreamsPhono Cartridge ReviewsPhono Preamp Reviews
Gramophone Dreams #76: Lounge Silver Copla, Grado Platinum3 High, Benz Gullwing SLR, Shure V-15 Type III
Herb Reichert  |  Aug 24, 2023  |  6 comments
I'm going to tell a story about blind listening, because it illustrates what I consider the most important issue in today's audiophile environment. I'm going to skip the names of the participants because you probably know them. And I'm not going to name the components, because their role in this story is merely as symbols of their type. Here is what I'll reveal: We were playing LPs through an expertly curated, six-figure–priced sound system in a largish room that suited the large speakers perfectly.

The occasion was a "listening party" at a friend's apartment. The guest list included me and four of the most experienced listeners I know. The plan was for everyone to nosh lightly, drink good wine, and weigh in on a new, unnamed, not-free low-output MC phono cartridge, only available on a limited, made-to-order basis.

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Analog CornerPhono Preamp ReviewsTurntable Reviews
Analog Corner #255: Kuzma Stabi M turntable, Audio Tekne TEA-8695 and Xactive Argo phono preamplifiers
Michael Fremer  |  Aug 10, 2023  |  First Published: Nov 01, 2016  |  0 comments
Do good things come in small packages, or is bigger better? Your call. But regarding the products they've sent my way for review this month, designers Franc Kuzma, Kiyoaki Imai, and Velissarios Georgiadis are all in the latter camp. Kuzma's Stabi M, designed to accommodate the 14" version of his 4Point tonearm, is a massive turntable with a big footprint. Imai's Audio Tekne TEA-8695 tubed phono preamplifier has 11 Permalloy core transformers and weighs nearly 100lb. And although it uses just four signal-path tubes and a pair of rectifier tubes, Georgiadis's Xactive Argo phono preamplifier fills the full width, height, and depth of a Harmonic Resolution System shelf—and not because it's a big but mostly empty housing.
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Phono Preamp ReviewsSpin Doctor
Spin Doctor 2: CH Precision P1 phono preamplifier
Michael Trei  |  Jul 05, 2023  |  2 comments
In 1928, Swiss engineer and inventor Jean-Léon Reutter created a clock that could run for years without human interaction or any type of external power source. The Atmos Clock required no AC power, batteries, solar panels, or hand-winding. It was able to wind itself by leveraging subtle changes in atmospheric pressure and temperature.

The design was so energy efficient that a single degree of temperature change provided enough power for two days of operation; it would take an incredible 60 million Atmos clocks to equal the power demands of a single 15W light bulb. 95 years later, the Atmos Clock is still being manufactured in Switzerland by Jaeger-LeCoultre, but like most high-precision, Swiss-made instruments, it isn't cheap. Prices start around $7500.

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Analog CornerCable ReviewsPhono Preamp Reviews
Analog Corner #257: AJ Conti, Audio Research Reference Phono 3, TARA Labs Air Evolution cables
Michael Fremer  |  May 12, 2023  |  First Published: Jan 01, 2017  |  2 comments
As I began writing this column, the terrible news arrived that Armando "AJ" Conti, founder of Basis Audio, had died of a heart attack at 59. A talented designer of turntables and tonearms, AJ was one of the warmest and more thoughtful people in the High End. Whenever I entered the Basis room at a Consumer Electronics Show, I had to be prepared to spend the next hour or more talking with AJ—not only about audio, but about coffee, motorcycling, metallurgy, or any other of his many passions . . .
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Analog CornerPhono Cartridge ReviewsPhono Preamp Reviews
Analog Corner #258: Dan D'Agostino Momentum Phonostage & Gold Note Tuscany Gold MC cartridge
Michael Fremer  |  Apr 10, 2023  |  First Published: Feb 01, 2017  |  13 comments
At the beginning of this century, when the vinyl resurgence was at best nascent and few believed it would be as strong as it is today, Boulder Amplifiers manufactured a phono preamplifier that cost $29,000. I reviewed that model, the 2008 (now discontinued), in the July 2002 issue. With a power supply that would probably be more than adequate for a high-wattage power amp, it was built to a standard approached by few other makers of phono preamps...

With his lines of power amplifiers and preamplifiers well established, Dan D'Agostino—the founder, CEO, and chief designer of the company that bears his name—set about designing a phono preamplifier.

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Gramophone DreamsPhono Cartridge ReviewsPhono Preamp Reviews
Gramophone Dreams #70: Sutherland Engineering SUTZ & Lounge Audio Copla headamps, Dynavector DV-20X2 & XX-2 MKII phono cartridges
Herb Reichert  |  Feb 23, 2023  |  5 comments
As an upstart journalist-flâneur, my basic urge is to step on the gas and let my '54 Buick careen down the freeway, crashing into guardrails on both sides. Old Buicks were built for that, and I would love to take readers on one of those kinds of rides.

But when I write this monthly column, I find myself aiming for a different feel, more like driving cross-country in a '70s Ford station wagon, documenting motels and gas stations. A trip where it's fun to roll easy, take in the views, and stop at every car museum, snake farm, and stalactite cave.

This month, I'm going to put some miles on the Ford's odometer as I investigate the effects of Ron Sutherland's newest current-drive creation: a $3800 transimpedance moving coil headamp called the SUTZ. Along the way, I will also re-review Dynavector's $1250 DV-20X2 moving coil cartridge and examine what might be the sweetest spot in Dynavector's cartridge lineup: the $2150 XX-2 MKII.

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Analog CornerPhono Preamp Reviews
Analog Corner #260: CH Precision P1 phono preamplifier
Michael Fremer  |  Feb 10, 2023  |  First Published: Apr 01, 2017  |  57 comments
Although Swiss-based CH Precision is a relatively young company, its core design team has been involved in high-performance audio for many years. Their website doesn't state the company's age, but something there did provide a hint: Among the design team's previous activities was work for another Swiss company, Anagram Technologies...I hadn't made the connection between Anagram and CH Precision when Raphael Pasche, the latter's electronics design engineer, visited last fall to install CH Precision's P1 dual-mono phono stage and the optional X1, a discretely regulated, outboard linear power supply that's claimed to exhibit ultralow levels of noise. The P1 can be ordered as a stereo preamp for $31,000; add $17,000 for the identically sized X1 power supply. Or one mono P1 can be used for each channel, for $55,000 plus $34,000 for two X1s. Expensive stuff.
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