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Our mission is simple....we are dedicated to offering only ultra high performance musical components for home audio & home theater systems.
Please select the links above for product descriptions and feel free to contact us for additional information or your nearest authorized dealer.
Grand Cru "Horizon"
"Horizon has the
same philosophy as Essentiel. The wave guide or short quad-flare horn
around the 5-inch ribbon tweeter optimizes the phase stability of its load
impedance since it's well known how amplifiers are more prone to distortion
into complex loads. Create a more benign load and your amp will sound
* Hidden inside that brief sentence hides a fundamental truth which all too many speaker designers violate like barbarians. Behind the 'power is cheap' excuse they take the lazy way out and create speakers whose wild phase angles and impedance behaviour put large burdens on the amplifier. Whilst in this age of class D power has indeed become cheaper, to my mind this doesn't (shouldn't) excuse speaker design that relies on brute force to work properly.
As the French Goldmund importer/distributor whose amps like Spectral champion very wide bandwidth, extended response could be vitally important to Torno to minimize HF phase shift, hence his fondness of ribbons. This sketch shows how internal triangulation breaks up some of the parallel walls all usual rectangular box speakers exhibit. These angled window-pane braces create some inside loading and also stiffen the enclosure side panels. The solid middle brace then subdivides the interior to give each mid/woofer its own dedicated chamber to play in.
New HS series
NORMA 2Mhz technology in a compact chassis...and more affordable!
Dual-Mono Burr-Brown DAC
2Mhz analog circuitry
5 digital inputs
USB "Integer Mode" compatible
Preamp w/2 inputs & Class-A headphone outs
Flat to 30Khz
Impedance > 4Ω
Mid-Woofer (2) x 7"
Ribbon tweeter (1) 5"
Size 48x9x12 (HWD)
Weight 66 lbs
The Grand Cru philosophy
features the extraordinary crossover developed
The Grand Cru concept
true accuracy – lifelike and natural with subtlety,
music…with accuracy & precision.
The Grand Cru concept allows the listener to receive music without having the brain to reconstruct these sounds to validate them as true accuracy – lifelike and natural with subtlety, moods and depths to take you to the heart of your music…with accuracy & precision.
Dual-Mono 2Mhz Integrated Amplifier
...with a frequency response of 0.1Hz-2MHz and a slew rate of 175, the IPA-140 compares favorably with considerably more expensive amps from Soulution or darTZeel.
There must be a law that decrees that everything made in
It played at high SPLs for long periods with ease, liquidity, and no sense of strain.
Crisp and articulate, with punchy bass and clean highs, the IPA-140’s sound was muscular, but with a delicate touch.
The IPA-140 was incredibly quiet and transparent, revealing wealths of fine detail.
The IPA-140’s transparency and soundstaging ability were also a great match for acoustic music, especially jazz, focusing on the primary players while still letting the supporting players shine.
…but the beauty of the IPA-140 is that background instruments were not pushed aside, but unobtrusively enhanced. The intricacy of Eric Harland’s drum fills and the interplay of his snare and hi-hat were highlighted in a way that complemented Parks’s playing rather than competing for my attention.
… gorgeous Italian design coupled with solid engineering and world-class sound
☆☆☆☆☆ NEW ☆☆☆☆☆
HiFi+ Review of IPA-140 2mhz Integrated Amplifier
by Alan Sircom
"The result of this powerfully built design is an amplifier of rare refinement and subtlety."
"If you like what the Revo IPA-140 does and want more of the same, you’ll need to spend insurrection-funding doses of money to get there. If that summons up images of ‘punching above its weight’... then so be it."
"This is an amplifier that I could see people using with loudspeakers costing £20k ($32k) or more without it showing itself up."
"There are no bargains in audio, but this is an amplifier that can go up against amps costing £12,000-£16,000 ($19k-$26k) despite costing the right side of £5,500 in its all-up top-spec guise."
A new advanced (and affordable) monitor from France that is a "magical" killer!
Walnut veneer (below)
Another absolute rave review of the "Essentiel" monitor by Soundstage Publisher Doug Schneider
A few excerpts...
"The first word that came to mind was clean. The next word was seamless. After that came coherent. The sound was extremely smooth (pure & grainless) and clear throughout the audioband, with no obvious indicators of where the midrange-woofer passed off to the tweeter."
"...neutral and natural right up through the top. If anything, they teetered ever so slightly toward the polite, yet also sounded as sweet as the best soft-dome tweeters I’ve heard, and as airy and fast as the top metal domes, including those used in my $22,000 reference speakers…which have beryllium-dome tweeters."
"Overall, the Essentiel had some of the most exquisite highs I’d heard in a long, long time -- the sound of the cymbals 2:51 into Lou Reed’s “Sweet Jane,” from the Cowboy Junkies’ The Trinity Session (16/44.1 FLAC, RCA), sounded extraordinarily clean and extremely realistic. It really sounded like metal being struck."
"Cohen’s (voice) was astoundingly clean and clear. The soundstaging and imaging were, again, superb, with awesome left-to-right and front-to-back spreads, and superb separation of Cohen’s voice, at center stage, from those of the female backing singers behind him."
"Cohen’s Old Ideas was also quite revealing of the Essentiel’s bass: more-than-decent output to around 40Hz, if not a touch lower. As a result, the Essentiels sounded remarkably fleshed out for their modest size. I can’t imagine any music lover who uses these speakers in an appropriately sized room wanting a subwoofer."
"The strengths of Grand Cru Audio’s Essential include: a seamless-sounding integration of the ribbon and midrange-woofer outputs; smoothness and clarity through the upper midrange, the likes of which I haven’t heard from other ribbon-based designs; and very deep bass, given the modest sizes of the speaker’s cabinet and midrange-woofer."
"I was taken aback by the Essentiels’ topflight soundstaging and imaging, as well as by their high resolution, particularly their ability to convey spatial cues."
"...and a “smidgen” less incisiveness and immediacy in the mids than the best ($50k personal) reference-class designs."
"Of the ribbon speakers I’ve heard in my room over the years, the Grand Cru Essentiel is one of the highest priced. It’s also the best sounding..."
Rave review of Essentiel in
"Stereo Prestige & Image" (May,2013)
Synthesis Of Sound Esthettique (Summary)
"The Essential compact systems are realized from excellent transducers with a very precise tuning of the filter (crossover) to get an exceptionally consistent soundstage from drivers of different technologies."
"Although it is widely considered that different technologies (ribbon tweeter for high range and conventional midbass driver) are not compatible, in the case of Essentiel, the shift between high, middle and low range is totally natural - and it's impossible to say (by ear) what type of technology is used."
"We enjoyed a precise and seamless sound throughout the range - substance from midbass to the midrange and a reference level in the top octaves. An exceptionally transparent sound including a fast, clear, precise detail of the higher frequencies without smearing, edginess or distortion."
"This results in a surprising clarity of resolution and remarkably accurate timbre (tonality)."
•Ultra-high performance drivers
•Non-resonant cabinet - reinforced in all 3-axis
•Extraordinary crossover to insure perfect phase & time coherence
•Crossover potted in resin and decoupled from cabinet
We HIGHLY recommend the NORMA 2Mhz IPA-140
Integrated as an ideal partner.
Coming soon....from Cremona, Italy!
Digital Source DS-1
•High-End CDPlayer + DAC in 1 sleek chassis
•Ultra-High Performance Dual-Mono BurrBrown DAC chips
•DAC offers 5 digital inputs (24/192) incl USB
•M2Tech 24/192 software driver
•2Mhz analog output
DAC offers 5-Digital Inputs (24/192) incl USB
(photo rear panel)
Same sleek, contemporary chassis as the 2Mhz IPA-140 Integrated!
New "v2" series of ALEF 6Mhz Amplifiers
It's a new reference setting paradigm!
"Nobody builds electronics anymore like ALEF!"
-Tim de Paravicini at Munich Hi-End Show 2010
The newest "Orchestra" (v2) 6Mhz Integrated
Award winning "Duetto" Dual-Mono 6Mhz Amplifier +
Active 6Mhz Linestage...in 1 chassis
"IPA-140" 2Mhz Dual-Mono Integrated Amplifier
World Reference Electronics!
"...more than a taste of State-of-the-Art!"
How does the advanced technology of the NORMA IPA-140
2Mhz Dual-Mono Integrated compare to others
including $85k separates?
Reviews have described the sound as world class in transparency, detail, imaging with superb dynamics & a rich, accurate tonality (voices, strings & piano sound lifelike) and fast, fast, fast!
GREAT match for High-End loudspeakers that prefer a fast & dynamic amplifier with a liquid tonality – no “dry desert” sound from digital/ice amplifiers.
"An affordable taste of state-of-the-art!"
ALEF shines at Cannes High-End show!
Comments of ALEF @ Cannes Show
from Neo ($75k) loudspeaker designer
"The (ALEF) sound is fast, vivid, dense and room-filling. Both the stereo imaging and the recreation of image depth are fantastic; the energy and the dynamics are remarkable. Both are very well controlled to avoid crisp sound in the mid-high frequencies and reproduce a perfect bass line: articulate, deep and powerful."
"Furthermore this (ALEF "Duet-SE" + "Director) Combo reproduces a natural timbral warmth and most important were the goose bumps that the emotional core of the music instilled in me. You don’t need to close your eyes to make a cerebral effort to recreate the sound of the original."
"Purity close to perfection!"
- Philippe Penna (Designer, Mosquito “Neo” Reference loudspeaker)
Delta Sigma's newest ALEF Duet-SE amplifier
based on the extraordinary & state-of-the-art DC-6Mhz design
receives the prestigious Haute Fidelitie's very rare
ALEF Duet-SE amplifier
Review Excerpts (translated)
Dynamics: "The Alef communicates tremendous energy on transients. The magnitude when listening to the bass line gives a real sense of presence in the room. The chords are clear and precise, the rhythm is accurately articulated and one feels no bass volume exaggeration meaning the ALEF is sovereign and in control of the lowest octaves."
"On drum keystrokes or on timbale impacts, we feel precisely and distinctly the emitted sound impulse of every attack followed by how each note ripples the drumskin. The dynamics of this amplifier is distributed on the audio spectrum in a very linear & balanced way with no part of the spectrum slighted or exaggerated. The Alef is incisive and powerful."
Soundstaging: "High level of precision of spatial soundstaging is a part of this Italian Dual-Mono stereo block. Although it has such extraordinary qualities of dynamics without restraints, one could not expect same high level of signal resolution and equally high level of soundstaging. It can virtually create a space of holographic illusion and the Alef creates a portrayal of live singing and melodic reproduction"
Tonality/Transparency: “This amplifier offers a very pure listening, very neutral listening experience due in part to the ultrawide bandwidth – on paper and also subjectively. Very powerful male voice & delicate female voice often suggest that of a triode - sometimes approaching the absolute very best with accurate voice without paralysis.”
Conclusion: "Wonderful exercise of style this amplifier Alef Duet SE (by Delta Sigma). Starting from a proprietary circuitry that can be tuned, if necessary to the need and wishes of each owner, the manufacturer propose a device capable to satisfy all situations, offering a clear, precise and defined reproduction from the extreme bass to the extreme high."
"The amplifier is able to play loud, very loud, without any audible sign of stress, or to distil a delicate melody at low volume, in class A. It can do almost everything, and does it well. The price is relatively high, but it benefits of custom, handmade manufacturing and of “sur mesure” concept - unique in the world."
We also would like to highly recommend the following links of our friends that also provide interesting reading & innovative products.
Boston Audio Design - simply the finest isolation feet and platform using pure carbon technology. Amazing performance & HIGHLY recommended!
Graham "Phantom" tonearm - THE reference!
Positive Feedback Online: great online e-zine edited by David Robinson and THE best source for information on high resolution SACD.
Enjoythemusic.com: superb online e-zine edited by Steven Rochlin including "Superior High End" equipment reviews.
Music Angle: Michael Fremer's website discussing those "new" 12" high resolution black discs...and much more.
Mail: PO Box 751681, Dayton, OH 45475
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6Mhz stereo amplifier
6Mhz stereo amplifier
“This amplifier offers a very pure listening, very neutral listening experience due in part to the ultrawide bandwidth – on paper and also subjectively. Very powerful male voice & delicate female voice often suggest that of a triode - sometimes approaching the absolute very best with accurate voice without paralysis.”
"Wonderful exercise of style this amplifier ALEF Duet SE.
"Specifically when listening to changes Goldberg played in the recording the 1981 by Glenn Gould, piano on all its nuances is amazing, the sound quality is exceptional sound without added colors - top octaves effortlessly superior spectrum precision frequency and soft
fluidity; each note is separated with surgical precision and sewn in a sound harmonious and well balanced & precisely
placed in the environment."
The tone appears very neutral and with a range mediobassa
rather that shuns away from dry, hot tonal shades.
The detail remains high
over the entire range and the acoustic scene, being generally rebuilt in a credible way, helps create a sense of realism. I left intentionally for latest annotations the behavior works to high dynamics, to give further
highlighting to a performance that proved to be truly excellent.
Duet-SE & Director
w/"Neo" ($75k) loudspeakers at Cannes ultra highend show
"The sound is fast, vivid, dense and room-filling. Both the stereo imaging and the recreation of image depth are fantastic; the energy and the dynamics are remarkable. Both are very well controlled to avoid crisp sound in the mid-high frequencies and reproduce a perfect bass line: articulate, deep and powerful.
"Purity close to perfection."
- Philippe Penna
(Designer, Mosquito “Neo” Reference loudspeaker)
Delta Sigma "North Pole-SE"
"At my feet, the Italian integrated amplifier "North Pole-SE" from Delta Sigma. The listening session I could share with Romain on B&W Diamond Signature and ProAC D28, all linked with cable 47 Lab, have demonstrated the extraordinary capability in current of this integrated amplifier. These two loudspeakers have been literally transformed by the energy perfectly controlled, with a strong sense of detail and subtlety…”
"These systems represent two approaches very closed to the unachievable sound perfection: the B&W Diamond Signature fed by the Delta Sigma integrated amplifier are the perfection of actual highest technology.”
- Revue du Son (Robert Lacrampe, Editor)
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