The SVS Ultra Evolution Bookshelf speakers feature a 6.5-inch composite glass-fibre driver and a curved time-aligned baffle, engineered to deliver reference acoustic accuracy for two-channel stereo and multichannel cinema systems. As a core standmount model within the SVS Evolution Series, this speaker pair integrates a vapour-deposited diamond-coated aluminium dome tweeter with a low-diffraction cabinet design. The acoustic architecture ensures wide-band dispersion, precise transient response, and controlled bass extension across varied listening environments.The Hi-Fi Centre Team TakeIn everyday listening spaces, the SVS Ultra Evolution Bookshelf speakers establish an expansive, coherent soundstage that feels focused and three-dimensional. The time-aligned baffle geometry ensures high frequencies and midrange signals arrive simultaneously at the listening position, maintaining stable imaging even when moving off-axis. During low-volume evening listening, the drivers retain clear vocal articulation and bass definition without requiring elevated output levels. The overall presentation remains clean and non-fatiguing over long sessions, making these standmount speakers well suited for dedicated music rooms.Key Acoustic & Design Features Time-Aligned Curved Baffle: Aligns driver acoustic centres on a shared vertical curve to maximise phase coherence and pinpoint stereo imaging. Diamond-Coated Aluminium Tweeter: Extends frequency response to 40 kHz with ultra-rigid carbon vapour deposition while the organic cell lattice diffuser widens room dispersion. Glass-Fibre Mid-Woofer: Combines high stiffness and low mass within a cast aluminium basket for rapid transient speed and articulate midrange clarity. Authorised Dealer Support: Hi-Fi Centre is an Authorized Dealer for SVS, providing full manufacturer warranty protection and expert technical guidance. Technical Specifications Design: 2-way bass reflex bookshelf speaker pair High-Frequency Driver: 1-inch diamond-coated aluminium dome tweeter Mid-Bass Driver: 6.5-inch composite glass-fibre cone with cast aluminium basket Frequency Response: 40 Hz – 40 kHz (±3 dB) Nominal Impedance: 6 ohms Sensitivity: 87 dB (2.83V @ 1 metre full-space, 300 Hz – 3 kHz) Recommended Amplifier Power: 20 – 150 watts Crossover Frequency: 1.8 kHz Port: Rear-firing 2-inch wide-flared port Finishes: Gloss Black, Gloss White, Black Oak Dimensions (H x W x D): 378 mm x 220 mm x 286 mm Weight: 8.6 kg per speaker