Vandersteen Seven Mk II

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The chief improvement in the Model Seven Mk II was achieved by mechanically altering the "acoustic lens" that surrounds midrange and tweeter, aligning the acoustic centers of those drivers just enough to substantially decrease the amount of hand tuning required for the compensation network. The result is even more natural, open sound for a soundstage that is palpably taller, wider and more "3D" in its image focus and specificity.

Our flagship Model Seven is entirely uncolored and free of cone-imposed diModel Seven Mk IIstortions that even the most astute listeners never identified as originating from the loudspeaker itself. The Perfect Piston's startling linearity opens an entirely new window on your music collection revealing nuances only heard by the artists and artisans who made the original recording.

The Model Seven's advances are rooted in our 30 year-old cornerstone concept, which is to design full-range, time- and phase-accurate, minimum baffle, vertical array speaker systems. We introduced this concept with the original Vandersteen Model 2 in 1977 and the fact that narrow speakers with vertically-arrayed drivers are ubiquitous today further demonstrates both the influence and validity of this speaker design.

Everything we do at Vandersteen Audio revolves around one simple precept… serve the source. In the case of loudspeakers this means faithfully preserving the waveform produced by the power amplifier, including all of the delicate time-domain relationships that comprise the recorded musical performance. 

We develop and blend both engineering and technology to act as conduit between you the listener and heightened satisfaction from your music collection.

Perfect-Piston™ driver diaphragms: Vandersteen has revolutionized loudspeaker design by combining structural engineering and material technology to create diaphragms that act as perfect pistons throughout their operating ranges and beyond. The unique diaphragm material used to make Vandersteen Perfect Piston™ Drivers marries carbon fiber and balsa wood in a unique 3-layer configuration with the highest stiffness-to-weight ratio available and allows all direct-radiating drivers to utilize diaphragms made from the same materials.

Fusion™ Subwoofers: The unique dual-motor, push-pull subwoofers two curvilinear aluminum cones sandwiched together with an exotic honeycomb material built-in to Vandersteen Model Seven loudspeakers are unlike anything else on the market. They don’t simply “augment” bass. They extend the low frequency response of the speakers while reducing distortion in the midrange. Bass response and harmonic response are fused together in a seamless blend, maintaining full-range amplitude linearity and phase-response.

Stealth™ Enclosures: The structure or body of a musical instrument, like a piano, violin or guitar, is designed to add rich and pleasing resonances to the sound of the strings. Any sound created by the structure of a loudspeaker is distortion so all resonances should be eliminated. Vandersteen Stealth™  enclosures eliminate these distortions by virtually eliminating resonances, minimizing baffle dimensions and covering the remaining surfaces with non-reflective materials, and carefully contouring all edges. Vandersteen speaker enclosures are acoustically inert. All structural panels are made from proprietary constrained-layer-damped materials and heavily braced. Vandersteen Model Seven speakers have additional carbon fiber layers applied inside and out with a high-pressure, high-temperature autoclave.

Creating and integrating the finest components is a start, but not good enough. Equally important is the abilty for those components to perform as desgned in the presence of other elements – Vandersteen loudspeakers have established the ability to perform with an organic ease and pace, with natural timbre and tonality, without cmpromise.

The custom laser tool shown above is part of the dealer installation kit used to precisely adjust speaker tilt and toe-in, along with bass equalization.

400-watt amplifier: In each Model Seven, Vandersteen integrates an ultra-high-current 400-watt amplifier with power-factor-corrected, regulated power supply. The Eleven-band bass equalization, plus master level control, along with Adjustable“Q”™ allow bass response to be perfectly tailored to a myriad of speaker positions in a variety of rooms. Vandersteen’s phase coherent bass EQ is unique because it affects low frequencies only; there is no processing in the signal path above bass frequencies all within the analog domain.

Specifications:

Tweeter

1” Patented Perfect Piston™ Tweeter with 3-Layer Carbon Fiber/Balsa/Carbon Fiber Dome, Aerodynamic Neo-Magnet Assembly

Midrange

4.5” Patented Perfect Piston™ Midrange with 3-Layer Carbon Fiber/Balsa/Carbon Fiber Cone, Die-Cast Aerodynamic Basket with Neo-Magnet Assembly and Ferrofluid Voice-Coil Cooling

Mid-woofer

7” Patented Perfect Piston™ Mid-Woofer with 3-Layer Carbon Fiber/Balsa/Carbon Fiber Cone, Die-Cast Aerodynamic Basket with Neo-Magnet Assembly and Ferrofluid Voice-Coil Cooling

Subwoofer

Dual 12" Trussed-Aluminum Cones, Dual-Motor, Push-Pull Driver with Die-Cast Aerodynamic Basket with Precision-Machined Opposing Magnet Assemblies with Copper Faraday Rings

Rear-fiiring Tweeter .75" Ceramic-Coated Alloy Dome
Subwoofer Amplifier 400-Watt High-Current Power-Factor Corrected Amplifier
Recommended Amplification 40-300 Watts Into 8 Ohms
Frequency Response 22Hz-40kHz +/- 2dB
Sensitivity 83.5 dB, 1 meter/2.83 volt input
Impedance 4 Ohms Nominal, +/- .5 Ohms Minimum
Crossovers 100Hz, 600Hz, 5000Hz, 6dB/Octave
Input Terminals Barrier strips, 1/2" max width
Dimensions (WHD) 14" x 42.5" x 20"
Weight 170 lbs. Net
Country of Manufacture Made in the USA