Solid State Preamp Reviews

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John Atkinson Posted: Mar 20, 2009 0 comments
Over the years, I have become increasingly impressed by the quality of the audio engineering emanating from Simaudio, which next year celebrates its 30th anniversary. In a world where the US facilities of some well-known audio brands have been reduced to a design office coupled to a warehouse for storing product manufactured overseas, this Montreal-based manufacturer, in order to keep full control over quality and hence reliability, does as much manufacturing as possible in-house, including metalwork, some printed circuit-board stuffing, and assembly. (See my photo essay starting here.)
Kalman Rubinson Posted: Nov 12, 2006 0 comments
The P-8 ($11,000) is the second of Simaudio's Moon Evolution series that has passed through my system, following on the heels of the Moon Evolution W-8 power amplifier, which I reviewed in March 2006. Fortunately, the P-8's arrival preceded the W-8's departure, so I was able to use them together as well as with other components.
Kalman Rubinson Posted: Mar 07, 1999 0 comments
I first saw and heard SimAudio's Moon amp and preamp at WCES two years back, and something about their aesthetics appealed to me: Canadian ruggedness coupled with a decidedly French panache. I remember that those attributes also characterized the demo's sound, although I can't recall the speakers or the sources involved. At succeeding shows, it gradually dawned on me that the Moon components were the fixed elements in a succession of impressive demos.
Brian Damkroger Posted: Jan 29, 2006 0 comments
Life used to be simple. A preamp was a phono stage, a line stage, and the controls necessary to manage a system. Sure, there were exceptions, but for the most part you could say "preamp" and everyone knew what you meant. With the rise of the Compact Disc, however, phono stages became standalone components or optional extras, and most manufacturers concentrated on the line stage and controls, pursuing the ideal of "a straight wire with gain."
Larry Greenhill Posted: Nov 03, 2001 0 comments
Sony describes the $700 TA-P9000ES as "a pure audio multichannel preamplifier equipped with two inputs for 5.1 analog multichannel audio sources, enabling selection, volume control, and amplification." A relay with twin gold-plated crossbars switches the two six-channel sources. Then follows a class-A solid-state push-pull amplifier in discrete configuration. Separate transistors, resistors, and capacitors populate the printed circuit boards. An oxygen-free copper shield surrounds each channel to prevent crosstalk between the channels. In addition, there is a relay-controlled gain stage offering 0, +6, and +12dB amplification.
Sam Tellig Posted: Sep 17, 2006 Published: Jan 17, 2006 0 comments
I've had the pleasure of using The Direct Line Stage Line Stage (originally called the Director) from Ron Sutherland for the past few months. This active line-stage preamp (it has no phono section) is available from Acoustic Sounds for $3000.
Kalman Rubinson Posted: Sep 28, 2001 0 comments
I anticipated the installation of the TacT Audio RCS 2.0 room-correction processor with mixed emotions—I already liked my system and room, and such a device threatened to make all my studied efforts trivial. What if one might use any decent amps and speakers, cables that were merely conductive, and no room treatment at all? And what if, on top of that, you could just put them wherever your significant other thought they looked right? What if all the magic you needed was contained in this box? Scary.
Michael Fremer Posted: Jun 13, 2013 1 comments
In the early 1970s, Stereophile's founder, J. Gordon Holt—a man I used to describe, with all due respect, as having been clothed by the haberdasher to the homeless—said that Audio Research's SP-3 tubed preamplifier was "the closest thing available, in fact, to the ideal straight wire with gain" ie, it would amplify the signal without editorializng in any way. Back then, the SP-3 cost $595. Today it would cost around $3500. But TAD's C600 dual-mono, solid-state, balanced preamplifier costs more than 10 times that: $42,000.
John Atkinson Posted: Feb 06, 2009 Published: Apr 06, 1987 1 comments
The Mod Squad Line Drive System Control Center is a purely passive stereo switching unit with a volume and balance control, five line inputs, and additional facilities for two tape decks. It allows the audiophile to replace a preamp, with its active gain stages—and resulting coloration—with a device that introduces no distortion or coloration other than that in the wiring, switches, and controls.
J. Gordon Holt Posted: Feb 03, 2007 Published: Sep 03, 1987 0 comments
This product is a pre-trol. What, you may well ask, is a "pre-trol?" Well, Threshold Corp. calls its FET-10 a preamplifier, but it isn't, really. In fact, it isn't an It at all; it's a Them. Only half of Them is a preamp, and you can buy each half separately. If that sounds a little confusing, maybe it's because some of the old, familiar language of audio is starting to lose its relevance.
Robert Deutsch Posted: Jan 30, 2012 Published: Dec 01, 1991 0 comments
The Threshold FET nine/e ($2595) is the junior sibling of the FET ten/e, a solid-state preamp that has earned a rave review in March 1991 from noted tubeophile Dick Olsher (Vol.14 No.3), itself a development of the FET ten that J. Gordon Holt reviewed in September 1987 (Vol.10 No.6). Would my ears, accustomed as they are to the pitter-patter of electrons traveling through a vacuum, have a similarly positive response to the FET nine/e?
Steven Stone Posted: Apr 03, 2009 Published: Jul 03, 1995 0 comments
Threshold is one of the longest-surviving high-end audio companies. Founded in the 1970s by Nelson Pass and René Besne, it was acquired by a large, publicly traded corporation in 1988. This had both positive and negative results in that Threshold was then able to expand its activities, adding the cost-effective Forté line of products, but energies were drained away from cutting-edge design. Besne left the company in 1991, while Pass resigned in 1992 to pursue other interests. (These blossomed into the Pass Aleph 0 amplifier reviewed by DO in March '95, Vol.18 No.3.)
Wes Phillips Posted: Dec 18, 2005 0 comments
"So what are you reviewing now?" A polite question, considering that my old friend Randy is definitely not an audiophile.
John Atkinson Posted: Jul 30, 1995 Published: Jul 30, 1994 0 comments
A truly great preamplifier lets everything through, both music and distortion, but with such generosity that neither...is cramped and narrow.Larry Archibald (footnote 1)
Kalman Rubinson Posted: Jul 15, 1998 0 comments
Tone controls? I ripped them out of my Dyna PAS-3! And that was the last time I had tone controls. As a card-carrying audiophile, I wanted just what the engineer had inscribed on the recording, with as little change as possible (read: high fidelity).

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