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TAD Evolution One Loudspeaker


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for orders over $100 or $5 under $100.

Product Description

3-way bass reflex floor loudspeaker


TAD Evolution One: a superb speaker system that further expands the possibilities of the single point source. It inherits the TAD Reference One DNA, yet blazes its own trail. With an innovative shape, it delivers totally satisfying, sublime sound quality. 



The heart of the TAD Evolution One is the CST (Coherent Source Transducer) Driver developed from that used in the TAD Reference One, a driver that embodies the single point source concept. The midrange and tweeter are configured coaxially so their directional characteristics conform. The resultant directional response remains uniform across a wide frequency, ensuring extremely stable sound localization and a natural sound field. 


The tweeter diaphragm is made of beryllium, the lightest and stiffest metal available for speaker diaphragms. Formed by TAD’s unique deposition technique, it exhibits high internal loss and smooth frequency response. Achieving an ideal diaphragm shape based on computer analysis, it is capable of reproducing frequencies up to 100kHz. The midrange features an extremely lightweight magnesium diaphragm with high internal loss. Both of these units reproduce sound with virtually no distortion and none of the coloration characteristics of other materials.


As a woofer requires a high degree of both stability and strength, TAD developed the MACS (Multi-layered Aramid Composite Shell) diaphragm, made by laminating many layers of Aramid fabric and non-woven fabric for light weight and high stiffness. This shell-shaped diaphragm with an integrated center cap and cone is driven by a large diameter voice coil and neodymium magnet, reproducing rich, clear bass with low coloration. The aero-design chassis is designed to minimize any airflow noise and improve the resolution of bass sounds. 


The SILENT* enclosure features a framework of high rigidity birch plywood combined with MDF for high internal loss, achieving an enclosure that blends high strength with low resonance. The enclosure's teardrop shaped rear section further reduces unwanted cabinet resonance as a result of the improved stiffness of the curved panels. Two available finishes, high gloss black, or wood veneer with a closed-pore satin finish, enhance the beauty of the curved cabinet design.


Drive Units

Woofer: 18cm cone x 2

Midrange/tweeter: coaxial 14cm cone/3.5cm dome

Performance Data

Frequency response: 28Hz to 100kHz

Crossover frequencies: 250Hz, 2Hz

Required amplifier output: 50W to 250W

Sensitivity: 88dB (2.83V, 1m)

Rated impedance: 4Ω


Weight: 54kg (1 unit)

Dimensions: 334mm (W) x 1,166mm (H) x 512mm (D)