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February 2013
Coincident Speaker
Technology
What made this speaker unique was its cylindrical enclosure. Unlike conventional cabinets, the Monitor was constructed out of computer cut MDF concentric rings. The advantages of this design was that its structural strength was typically 15 times greater than a prism shaped enclosure and furthermore rigidity was equal at all points. The fact that the enclosure was round also meant that internal standing waves were dramatically reduced. The Monitor also used the finest tweeter and woofer and in keeping with Israel Blume's philosophy, the crossover was very pure and simple using only the finest tested components. While his first creation received acclaim from reviewers, there were three factors Israel Blume felt he had to address before he could find acceptance in the marketplace with his dream speaker. Firstly, it had to more accessible aesthetically (which many felt the cylindrical enclosure was not), secondly it had to be less expensive to build (the Monitor was exceptionally labor intensive) and finally the speaker had to able to be driven by single ended tube amplifiers (which the Monitor could not).
The result of two years of design work culminated in the development of the Troubador speaker. Using extensive computer modeling, Blume was able to duplicate the sonic properties of a cylindrical enclosure but with the use of non-paralleled flat plane walls. The most significant advantage of this type of enclosure is the elimination of internal standing. In a further attempt to eliminate the sonic contamination of loudspeaker enclosures, Blume uses enclosure tuning techniques. Instead of using resonant enclosure materials and then attempt futilely to damp them out, all Coincident enclosures are constructed from inherently non resonant materials that need no damping. The enclosures are then tuned to a high fundamental resonant frequency that is sonically undetectable. The culmination of this arduous, painstaking journey has yielded a series of loudspeakers that offer unprecedented performance in each price category. From the Triumph Extreme to the Pure Reference Extreme, Coincident speakers sound better and are better constructed than competing designs at the same price. Designer Israel Blume has recently realized his goal of building a true reference speaker that encompasses the entire criterion he initially enumerated. That speaker is named the Pure Reference Extreme. This speaker is the most musically authentic loudspeaker from the company and is capable of reproducing the musical signal fed with very high accuracy. Naturally this lead to more development work as amplification driving his speakers was also very critical for accurate music reproduction.
Electronics
Enter The Dragons
Preamplifiers To fully exploit the inherent superiority of the 101D,
Blume knew it would take a state-of-the-art design utilizing only the
finest components executed to the highest standards. After years of
research and experimentation, the Statement Line Stage was born. The unit,
outside of the tubes, is all transformer coupled, from the input, volume
control and right through to the output. There are no capacitors in the
signal path and the power supply is huge (41 lbs). The end result is a
line stage that is almost noiseless, not prone to hum and passes the
musical signal with virtually no perversion. For the company it
represented a sonic breakthrough since it combined the best qualities of
passive designs with the inherent advantages of an active preamplifier.
The Coincident Sound For example, there is no intentional
boosting of the midbass to provide the illusion of more bass, nor the
rolling off of the high frequencies to make the resultant sonics more
pleasing. Coincident Speakers are designed to be as musically accurate as
possible. We attempt to create an open window on the musical event, with
nothing interfering between the music and the listener. Consequently,
Coincident Speakers are very revealing of the musical source, the room in
which they are placed and the ancillary components used. It must be
emphasized that high resolution does not connote low musicality. On the
contrary, the better a component is at revealing the information it is
sent, the more accurate and by definition, the more natural it will be
since it will closer approximate the live music listening experience." Coincident
Speaker Technology is proud to still state that unlike the majority of
current speaker companies (i.e. Revel, Aerial, Von Schweikert, Red Rose
etc.) all its speaker models are designed and completely manufactured in
Canada.
More Details About Coincident Speaker
Technology All internal wiring is manufactured in Canada
using American 6N copper. Only the finest Canadian
dielectrics like polypropylene and air Teflon are used. Coincident Speaker
Technology’s wire is very expensive to manufacture and labor intensive to
terminate. There is no use of off shore cables that Blume feels are
sonically inferior and costs only a few pennies.
All the drivers of Coincident speakers are
sourced from only state-of-the-art manufacturers such as Scan-Speak, Vifa
and SEAS. Coincident does not use any knock-offs cheaply
manufactured drive units that are copies of the above noted brands. Only
the very best drivers sourced from the finest manufacturers are chosen. Coincident Speaker Technology is committed to providing the high-end audiophiles with the finest value components in the world. Coincident, therefore, will never sacrifice quality. No detail is considered too trivial if it enhances the sonics or build quality of their products. "Coincident will never offer an inferior product in pursuit of greater profits" says the owner Israel Blume. Israel Blume continues by saying "Coincident components exist for only one purpose: to provide the discerning music lover with the finest sounding, best built products that above all else, enhances the musical experience."
Company Information Voice: (905) 660-0800
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For many years Enjoy
the Music.com has been reviewing gear from Coincident Speaker
Technology. The company was founded and is operated by Israel Blume in
1993 for the sole purpose of creating a superior loudspeaker. Being
dissatisfied with every loudspeaker he had ever owned or listened to,
Israel Blume decided to manufacturer speakers for those seeking high-end
performance. Blume put his over twenty five years of audio and music
experience to work to conceptualize a loudspeaker that would reproduce
music with no obvious or distracting perversions. He understood quite well
the inherent limitations of various designs and thus began designing a new
loudspeaker combining the best sonic attributes of cones and
electrostatics. A daunting task to say the least! The first loudspeaker
designed by Blume was the Concentric Monitor and its companion subwoofer,
the Super Bass Monitor.
Coincident began designing and building amplifiers in
2001 with the introduction of the MP 300B SET mono blocks and the MIP 300B
integrated version of the MP 300B. Both were highly acclaimed and offered
build quality and performance unmatched by any other. An intense R & D
program and countless hours of aural evaluation lead to the company’s
breakthrough M300B Frankenstein amplifiers in 2005. The design goal of the
Frankensteins was to manufacture the finest amplifier in the world which
meant it had to be a single ended 300B design. The fact that most
commercially available loudspeakers were not able to be driven by the
purest, low powered amplifiers was of no concern since all Coincident
models were ideally suited to this mode of amplification and some other
well designed speakers were as well. The Frankensteins were designed and
manufactured with no cost restraints. The goal was simple -- it had to be
the purest, most transparent, neutral amplifying device in existence.
While the goal was simple, the realization of it was not. It took Blume
over three years of intense research and development, numerous prototypes
and literally thousands of hours of auditioning before the dream was
achieved. The M300B Frankenstein amplifiers may sell for a relatively
modest price but there is no competing amplifier that is better
constructed or compares sonically at any price.
While Blume freely acknowledge that the Frankenstein
amplification offered the company’s purest sonic reproduction available,
Coincident felt there was a need for a high power amplifier that was
capable of driving any speaker no matter how difficult a load. However,
not only must this amplifier be so capable it had to come as close to the
sonic purity of our reference Frankensteins as possible. The result is the
Dragons. They are constructed exactly as the Frankensteins using the same
components, circuit philosophy and state-of-the-art construction but
instead of being single ended triode it uses a pair of high powered 211
DHT tubes operating in push-pull mode. To approach the sound of the
Frankensteins yet offer "unlimited drive ability", the Dragons had to
use DHT output tubes in push-pull. The driver tube had to be DHT as well
and none better than the 300B. The end result is claimed to be an
amplifier that sounds like a 500 watt brute yet with 95% of the
Frankenstein's finesse.
All Coincident speaker enclosures are
meticulously CNC and hand crafted at their facilities in Canada.
Only the highest quality Canadian made hardwood MDF is used, all wrapped
with furniture grade cherry wood veneer that is carefully pressure applied
on both sides of the board. Coincident chose to build their enclosures in
Canada to ensure high quality.
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