atelier 13 audio
COHERENT AUDIO FIFTEEN
A CUSTOMIZED AND HANDCRAFTED LINE OF HIGH SENSITIVITY COAXIAL LOUDSPEAKERS
DESIGNED AND BUILT WITH GREAT CARE AND ATTENTION TO DETAIL
TRUE TESTIMONIES OF FRANK FAZZILARI DESIGN AND QUALITY
NEW 2022 LINE
CUSTOM MADE LOUDSPEAKERS - PRODUCT OF CANADA
"THE FIFTEEN"
Super Monitor & Floorstanding Loudspeaker
Modified 15” Radian Coaxial driver with crossover based on totally new design principles
As with all Coherent loudspeakers, the cabinet design follows the classical Golden Ratio proportions. This speaker series however offers a choice of two aesthetic designs - a standard Floorstander (FS-MGRA / Modified Golden Ratio), and an optional custom order GRA Super Monitor (SM-GRA / Golden Ratio).
This series includes 2 models, covering 2 Performance Levels :
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FIFTEEN Signature - FS-MGRA Floorstander
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FIFTEEN Reference - FS-MGRA Floorstander
All speakers in the FIFTEEN Series incorporate a custom co-axial Neodymium 15" driver from acclaimed Radian Audio, custom crossover and "Premium" components -- all carefully selected to deliver a very high level of exquisite musicality, and this regardless of music genre !
The cabinets have twin rear ports to deliver an open and transparent sound easily driven by low power tube amps, and include a unique internal baffle structure to minimize standing waves.
OPTIONS
Optional "Premium" Veneer Finishes available - CALL
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Premium Veneer up-charge per pair : $380
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Subject to longer delivery lead time.
SUP
Custom Made in Canada
FIFTEEN FS-MGRA SIGNATURE $ 10,050 / + $395 Flat Dropship Charge
FIFTEEN FS-MGRA REFERENCE $ 13,300 / + $395 Flat Dropship Charge
FIFTEEN SM Monitor Upcharge $ 375 / Finished Super Monitor Stands / pair
Specification
Type
Rear ported, concentric single driver
Cabinet
Canadian MDF construction
Spike / Cone - ready Threading
Finish
Stained, varnished wood veneer
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Figured Mahogany or Tiger Maple
Drivers
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15 " co-axial
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3 " high frequency dome
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With wave guide
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Magnetics / Diaphragm :
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Signature : Neodynum-Aluminum
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Reference : Neodynum-Beryllium
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150kHz Piezo Super Tweeter
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All Models
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Internal wiring
All Models : Duelund / Jupiter Cu Cryo
Option : Less Loss CMARC
Crossover Coil & Cap
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Signature : Solen Hepta-Litz Coil
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Reference : Mundorf Feron Foil Coil
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Signature : Mundorf SGO Capacitor
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Reference : Mun, Jup, Duelund Tri-Cap
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SGO / HT Wax / JDM Ag Foil
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Performance & Dimensions
Frequency Response
GRA Super Monitor
36 Hz - 20kHz + / - 3dB
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To 150kHz with Super Tweeter
MGRA Floorstander
26 Hz - 20kHz + / - 3dB
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To 150kHz with Super Tweeter
Sensitivity
Signature & Reference : 99dB
Nominal Impedance
8 ohms
Input Power
2 - 400 Watts RMS
Connectivity
5-way Binding Posts
Dimensions
Super Monitor : 20W x 17.5D x 32.5H
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Super Monitor Stand : 8.5H
Floorstander : 20W x 17.5D x 41H
Weight
60 lbs each
The Design
The focus of Frank's research is to :
Design and build an accessibly priced speaker that would most realistically deliver the micro-dynamics, vividness, dimensionality and excitement of live music
After numerous prototypes, extensive listening tests and continuous design refinements, Frank determined that the best way to achieve the desired objectives would be through a high sensitivity and high quality full range co-axial driver.
The basic requirements were ultimately fulfilled by the American-made Radian coaxial drivers
However, this was only the the starting point :
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The Radian driver undergoes extensive modifications by Coherent Audio
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The modified driver and is then matched to a special crossover designed and built by Coherent
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This crossover is based on totally new design principles and incorporates special coils which are built by Coherent Audio
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Finally, and very importantly, each model of coaxial driver is matched to a Coherent designed and hand built cabinet that incorporates unique design features to allow the modified coaxial units to perform at their maximum capability
The end result is an outstanding and very exciting new range of high efficiency speakers offering :
Extremely accessible pricing for the performance
and hand-built quality being offered
Coherent Line
