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Thiel CS 3.7 – Loudspeakers

Thiel CS 3.723 apertura con logoTitolo: Thiel CS 3.7

Thiel CS 3.7 – Loudspeakers , diffusori presentati nel 2006, rappresentano un prodotto innovativo realizzato da JimThiel grazie ai trasduttori planari adottati che integrano una grande rigidità ad una bassa massa….

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The Absolute Sound

by Tony Cordesman – Aprile 08, 2009

The more I review speakers, the more cautious I get about calling one a breakthrough. Speaker design has advanced to the point where dramatic qualitative differences are rare

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Tiel CS 3.7

Quote: euro 6.500 – 7.500

(la coppia secondo lo stato dei diffusori e la presenza di imballo e garanzia)

 

Thiel CS 3.7 – Loudspeakers , diffusori presentati nel 2006, rappresentano un prodotto innovativo realizzato da JimThiel grazie ai trasduttori planari adottati che integrano una grande rigidità ad una bassa massa.

La precisione sonica e la neutralità timbrica sono prerogative che li fanno scegliere per essere inseriti in impianti importanti. Gli altri partner del sistema devono essere all’altezza di questo prodotto dall’elevato contenuto tecnologico; pertanto le sorgenti dovranno essere al di sopra di ogni sospetto e le amplificazioni dovranno avere carattere, muscoli, ma anche tanta raffinatezza.

 

 

Thiel CS 3.714

 

 

A proprio agio sia con le valvole che con lo stato solido, i CS 3.7 sono molto considerati dagli appassionati che li prediligono ad altri diffusori di pari categoria per il loro rigore timbrico non disgiunto dalla musicalità.

Anche i cavi, soprattutto di potenza, dovranno avere adeguate caratteristiche di elevata qualità.

Questi diffusori sono piuttosto ricercati sul mercato dell’usato e mantengono molto bene il loro valore economico nel tempo.

Prodotto consigliato dalla Redazione.

 

Bruno Fazzini

 

 

Thiel CS 3.72

 

 

The CS3.7 is designer JimThiel’spassionrealized. Thisrevolutionary design delivers an unprecedentedpurity of sound for the most realistic sound reproduction possible. Incorporating all newly developed drivers and cabinet, the CS3.7 is an engineering marvel that achieves a level of performance not available before at any price. Hear the CS3.7…and be Amazed.

 

 

Thiel CS 3.715

 

 

Since its introduction as THIEL’s flagship loudspeaker, it has received wide critical acclaim from print and web audio journals worldwide. No other loudspeaker can convey so much of the joy and pleasure from music playback.

 

Thiel CS 3.724

 

THIEL’s CS3.7 uses the world’s finest driver elements designed by THIEL and made to exacting standards. The enclosure is precisely shaped, high density birch plywood, but features a milled aluminum baffle. The top is die-cast aluminum. The first-order acoustic crossover system is precisely tuned to preserve utter tonal neutrality and fine detail.

 

Thiel CS 3.716

 

 

Reviews

http://www.stereotimes.com/speak121609.shtml

By Nelson Bryll – December 2009

 

http://www.audioasylum.com/audio/speakers/messages/25/259489.html

By Bob Stern on September 18, 2007

I have owned the Thiel 3.7 for about 6 weeks.
The 3.7 is pure, clear and revealing, not just in the treble, but also in the midrange and bass. For example, cello & string bass are very clear, without cabinet resonances. Subtle musical details and inflections are tremendously clarified, seemingly as a result of low distortion rather than treble emphasis. (But see my later comments on a possible mild forwardness.)
It is extremely dynamic and lively, both at low and high volumes. Its clarity and dynamic liveliness at low volumes makes it very satisfying when played quietly, unlike many speakers that seem muted unless the volume is cranked up. I find this a wonderful attribute. (At the other extreme, it shows no sense of strain or compression when played as loud as I can tolerate.)…

 

 

Thiel CS 3.719

 

 

 

http://www.6moons.com/industryfeatures/thiel/thiel.html

January 2006

A quiet revolution in driver design
Our own John Potis has the hots for Thiel’s new Model CS 3.7. Boy does he ever. So itchy is the man for satisfaction that he’s kept pestering our poor press contact Dawn Cloyd for specifics. “Okay, I’ve seen the pix in the various show reports but have you got anything more concrete by now?”

Poor John’s got it bad, a major case of uncontrollable audio lust. Me, I’ve got it good, seeing how our besotted boy just dropped in my lap copies of Thiel’s two most recent press releases that detail out what’s going down with this forthcoming — and very different — loudspeaker. Thanks John & Dawn!

To honor Jim Thiel’s personal presentation style, I’ve merely converted the original PDFs to gifs and sized them such that they fit our site format. Otherwise, this is it, the original poop on the long-awaited new model from one of America’s most recognized specialty loudspeaker houses, Thiel Audio.

 

 

Thiel CS 3.712

 

 

 

http://www.theabsolutesound.com/articles/tested-thiel-cs37-loudspeaker/

by Tony Cordesman – Aprile 08, 2009

The more I review speakers, the more cautious I get about calling one a breakthrough. Speaker design has advanced to the point where dramatic qualitative differences are rare, where the personal taste of the audiophile is highly relevant, and where room-interaction problems can do as much to shape the sound as many aspects of engineering.

 

 

Thiel CS 3.76

 

 

That said, the Thiel CS3.7 does more than demonstrate how good the current generation of speakers has become. It represents decades of effort by Jim Thiel, who has long been one of the world’s top designers, and I do feel it is a breakthrough in sonic accuracy and resolution at its price of $12,900. At a time when the high end seems to be drifting towards reference-quality speakers that cost as much as a good car, the CS3.7 delivers an extraordinarily advanced set of new driver technologies, integrated into what is about as close to a true “point source” as any full-range dynamic transducer. It is a remarkably coherent speaker in any halfway realistic listening position, and one that offers truly exceptional detail and resolution…

 

 

Thiel CS 3.75

 

 

http://www.stereophile.com/floorloudspeakers/1208thi

By Wes Phillips – Dec 15, 2008

One might argue that Thiel Audio’s 3-series loudspeakers are the audio equivalents of BMW’s 3-series sports cars: relatively affordable, but 100% about performance. Thiel has made bigger, more expensive loudspeakers than the 3s, as well as smaller, less expensive models—but the iconic Thiels are the 3s.

 

 

Thiel CS 3.722

 

 

I also suspect that they’re Jim Thiel‘s favorites, although he’d probably never admit it. When he spoke to me about the new CS3.7 at the Consumer Electronics Show a few years ago, he almost choked up when he said, “I’ve wanted to revisit the 3s for a while now…” I could almost see him pondering le temps perdus. Of course, in the years since designing the CS3.6, he’d worked on the CS5.1, the CS7.2, the PowerPoints, and makeovers of the CS2.3 and CS1.5 (respectively, the CS2.4 and CS1.6), in addition to practically reinventing the category of subwoofers. It’s not as if the man hasn’t been busy…

 

 

Thiel CS 3.74

 

On the other hand, Thiel says, he probably couldn’t have built the CS3.7 much sooner. “We could have never built the ‘3.7s the ‘old’ way, buying drivers from OEM companies,” he said. “We had to engineer them ourselves—in fact, we had to design them ourselves, and then master the engineering. And, having better drivers, we needed to make the cabinets more rigid.”

 

Thiel CS 3.711

 

 

In other words, you could say that it took a lifetime to build the CS3.7—the lifetime of Jim Thiel…

Conclusions

In our “Conclusions,” we reviewers generally tend to natter, listing pluses and minuses and the price/value ratio, and basically saying that if you like this kind of thing, this is the thing you’re going to like. I can’t do that this time.

 

Thiel CS 3.720

 

 

I loved, loved, loved the Thiel CS3.7. It’s not perfect, but its major flaw is subtractive: not enough deep bass for many listeners. Well, that’s easily fixed with a high-quality subwoofer, and Thiel makes some awfully good ones you could afford with what you save buying the Thiels instead of speakers costing two to three times as much—which is what I’d have to compare them with. That’s not to say that $12,900 is cheap or a bargain. It’s just to say that to find a speaker as good as the Thiel CS3.7, you’d have to spend more, and sometimes a lot more.

 

Thiel CS 3.717

 

 

Also note: If your current receiver or amplifier puts out less than … oh, let’s be generous and say 150Wpc, you won’t hear what the CS3.7 can do. It won’t end well.

 

 

Thiel CS 3.73

 

A Stereophile reader recently chided me for saying that “I could live with” a speaker. He observed that with speakers, like wives, the question isn’t whether you can live with ’em, but whether you could live without ’em. If not, he said, ink the deal and live happily ever after.

 

 

Thiel CS 3.79

 

 

I don’t know how you’ll answer that question, but I’m thinking I can’t live without the Thiel CS3.7. It might be the speaker of my lifetime, too.

 

 

Thiel CS 3.713

 

 

Specifications

Driver Complement:

Tweeter: 1 inch (2.5 cm) aluminum dome, 64 g (2.3 oz.) neodymium magnets, copper pole sleeve, short coil/long gap design with 3mm Xmax, coincidentally mounted with midrange.

Midrange: 4.5 inch (11.5 cm) with aluminum star-diaphragm, 3 inch diameter voice coil, 115 g (4 oz.) neodymium magnet, copper pole sleeve, short coil/long gap design with 6mm Xmax, die cast chassis.

Woofer: 10 inch (25.4 cm) with star-diaphragm, 3 inch (7.6 cm) diameter voice coil, 5 pound (2.27kg) magnet in a 13 pound (5.9 kg) steel motor structure, copper pole sleeve, copper pole ring, short coil/long gap design with 14mm Xmax, die cast chassis.

 

Thiel CS 3.710

 

Dimension

Passive Bass Radiator: 10 inch (25.4 cm) aluminum star-diaphragm.

Bandwidth (-3dB): 32 Hz – 35kHz

Frequency Response: 33Hz – 26kHz ±2dB

Phase Response: minimum ± 10º
Impedance: 4 ohm (2.8 min)Sensitivity (2.83v – 1m, true anechoic): 90dB

Recommended Power: 100 – 600 watts

Size (inches): 12.5 x 21 x 45

Weight: 91 pounds / 41.5 kg

 

 

Thiel CS 3.721

 

 

 

 

thiel 3.7 dim.

 

Measurements

The Thiel CS3.7’s voltage sensitivity is specified as 90dB/2.83V/m. My B-weighted estimate on its tweeter axis, assessed with DRA Labs’ MLSSA system, was slightly above that figure, at 90.7dB(B)/2.83V/m. This may well have been affected by the Thiel’s frequency response (see below). The sensitivity is usefully higher than average, which is a good thing considering that the CS3.7’s impedance remains between 2 and 3 ohms over much of the audioband (fig.1), and that there is a demanding combination of 3.8 ohms and –40° capacitive phase angle at 60Hz. Thiel specifies the impedance being nominally 4 ohms, with a minimum of 2.8 ohms. I actually found the minimum impedance to be 2.4 ohms at 125Hz. The difference between 2.8 and 2.4 ohms is academic, either mandating use of an amplifier that has no problem delivering high currents.

 

thiel 3.7 fig.1

 

Fig.1

Electrical impedance (solid) and phase (dashed). (2 ohms/vertical div.)

 

 

thiel 3.7 fig.2

 

 

Fig.2

Anechoic response on listening axis at 50″ without grille (black), averaged across 30° horizontal window and corrected for microphone response, with the nearfield responses of midrange unit (green), woofer (blue), and passive radiator (red), plotted in the ratios of the square roots of their radiating areas below 500Hz, 750Hz, and 350Hz, respectively, and the complex sum of nearfield responses plotted below 300Hz (black).

 

 

thiel 3.7 fig.3

 

Fig.3

Spatially averaged, 1/6-octave response in WP’s listening room.

 

 

Thiel CS 3.77

 

 

Video

 







 

 

 

Thiel CS 3.71

 

 

Thiel CS 3.78

 

 

 

 

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