SVS Ultra Evolution 2-Way Bookshelf Speakers (Black Ash, Pair)

BH #SVUEVOBSBA2 • MFR #UEVOBSBA2
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SVS Ultra Evolution 2-Way Bookshelf Speakers (Black Ash, Pair)
Key Features
  • 2-Way Bookshelf Speaker Configuration
  • 1" Diamond Coated Tweeter
  • 6.5" Glass Fiber Woofer
  • Time-Aligned Cabinet Design
Experience clear, detailed sound with the Ultra Evolution Bookshelf Speakers in black ash from SVS. The Ultra Evolution Bookshelf is a 2-way speaker in a time-aligned, rear-ported, bass-reflex cabinet. They are perfect as a stereo pair where floor speakers would be too large or combined with other Ultra Evolution speakers in a surround sound setup.
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SVS UEVOBSBA2 Overview

Experience clear, detailed sound with the Ultra Evolution Bookshelf Speakers in black ash from SVS. The Ultra Evolution Bookshelf is a 2-way speaker in a time-aligned, rear-ported, bass-reflex cabinet. They are perfect as a stereo pair where floor speakers would be too large or combined with other Ultra Evolution speakers in a surround sound setup.

The Ultra Evolution Bookshelf delivers full-range sound using a 1" Diamond Coated Tweeter with Organic Cell Lattice Diffuser for clear highs and smooth off-axis response, combined with a 6.5" glass fiber woofer to deliver deep, accurate bass. The cabinet's chamfered front baffle and time-aligned, flush-mounted drivers reduce edge diffraction and improve off-axis high-frequency response.

Time Aligned Cabinet Geometry
A curved front baffle aligns the drivers on a vertical plane ensuring sound from each driver reaches your ears at the exact same instant. It is able to maximize phase coherence with pinpoint accuracy and imaging.
Diamond Coated Aluminum Dome Tweeter
Through a process called Vapor Deposition, a layer of diamond carbon is applied to the aluminum dome tweeter to vastly improve rigidity and acoustic properties. This breakthrough in material science raises the frequency response well beyond the limits of human hearing resulting in effortless, airy, and clear highs with no measurable distortion. The diamond coating also pushes low frequency extension of the tweeter deeper for more seamless blending with the midrange. An organic cell lattice tweeter diffuser protects the dome and employs semi-random patterns derived from organic cell structures to improve off-axis response and maximize the listening sweet spot.
Attention to Detail
An acoustically tuned enclosure optimizes low frequency tuning and eliminates any potential for cabinet resonances that may result in distortion. An integrated two-way crossover made with premium components seamlessly blends driver output. Precision-cast aluminum-alloy baskets ensure precise alignment of critical components and help maximize thermal dissipation.
UPC: 850029050742

SVS UEVOBSBA2 Specs

Key Specs
Speaker Configuration
2-Way
Drivers
1x 6.5" / 165.1 mm Mid-Woofer
1x 1" / 25.4 mm Tweeter
Frequency Response
40 Hz to 40 kHz (±3 dB)
Inputs/Outputs
Binding Post
Speaker System
Speaker Configuration
2-Way
Recommended Amplifier Power
20 to 150 W
Bi-Amp Capability
Yes
Drivers
1x 6.5" / 165.1 mm Glass-Fiber Cone Mid-Woofer (Front-Firing, per Speaker)
1x 1" / 25.4 mm Aluminum/Carbon Dome Tweeter (Front-Firing, per Speaker)
Passive Radiators
No
Enclosure Type
Bass-Reflex
Ports
1x 2" / 50.8 mm, Rear-Firing
Frequency Response
40 Hz to 40 kHz (±3 dB)
Impedance
6 Ohms
Magnetic Shielding
No
Inputs/Outputs
2x 5-Way Binding Post Pair Input
Crossover
1.8 kHz
Sensitivity
87 dB
Physical
Color
Black Ash Woodgrain
Environmental Resistance
No
Placement & Mounting Options
Tabletop/Bookshelf (with Included Hardware)
Floor Contacts
Rubber Feet
Grille
Cloth (Removable)
Dimensions
8.7 x 15 x 11.6" / 220 x 382 x 295.6 mm (Each, with Feet, with Grille)
Weight
19.0 lb / 8.6 kg (Each)
Packaging Info
Package Weight
43.36 lb
Box Dimensions (LxWxH)
23.9 x 19.3 x 16.4"

SVS UEVOBSBA2 Reviews

See any errors on this page?

Do the SVS Ultra Evolution 2-Way Bookshelf ...

Do the SVS Ultra Evolution 2-Way Bookshelf Speakers incorporate a 1/4x20 threaded insert to assist in fastening them to a stand?
Asked by: Randy
The SVS Ultra Evolution Bookshelf Speakers do not include a 1/4‐20 threaded insert on the cabinet for stand mounting.
Answered by: Nick Y
Date published: 2026-01-18
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