Elac B5 Andrew Jones Debut Series 5 Inch Bookshelf Speakers Book Pair Black - DB51-BK-B5

Model: DB51-BK
Authorized Dealer

Speaker type: 2-way, bass reflex

Tweeter: 1 x 1-inch cloth dome

Woofer: 1 x 5.25-inch woven aramid-fiber cone

Crossover frequency: 3,000 Hz

Frequency response: 46 to 20,000 Hz

Sensitivity: 85 dB at 2.83 v/1m

Recommended amplifier power: 30 to 120 wpc

Nominal/peak power handling: 50 / 120 wpc

Nominal impedance: 6 Ω; minimum 5.4 Ω

Binding posts: 5-way metal

Magnetic shielding: No

Cabinet finishes: Black brushed vinyl

Accessories included: Removable fabric grille

Height: 12.8 in / 324 mm

Width: 7.9 in / 200 mm

Depth: 8.7 in / 222 mm


Net weight (each): 11.5 lb / 5.2 kg




A family of performers.

Every Debut loudspeaker system establishes a value proposition—with build quality and spectacular performance—that goes beyond every other speaker in its class.


ELAC’s chief engineer Andrew Jones explains how Debut speakers break new ground:

“The ELAC Debut series delivers superior performance thanks to custom made key components, with no off-the-shelf parts. Unlike many more expensive speakers that mix parts-bin drivers, bare-bones crossovers and generic cabinets—every ELAC speaker is built from a clean-sheet design.”


Silk-dome tweeter with deep-spheroid custom waveguide

The waveguide surrounding the new ELAC high-frequency driver features a custom, deep spheroid profile to improve directivity control and shield the dome tweeter from cabinet diffraction modes inherent in traditional box enclosures.


Custom-designed woofer with aramid-fiber cone

Aramid fiber is employed in the woofers of all ELAC Debut passive speaker systems. Aramid fiber offers a superior strength-to-weight ratio and improved damping characteristics over conventional paper or plastic drivers. This added strength means arriving at designs that achieve a broader bandwidth with smoother response.


Intricate crossovers

A custom multi-element crossover with high-grade components in each speaker ensures smooth transition between the drivers.


Robust cabinets

Every ELAC enclosure is engineered for the long run with thick MDF outer walls and a luxurious textured vinyl finish. The cabinets of the floorstanders and the center channel incorporate specially designed internal bracing to add stiffness and strength to the cabinet’s outer walls. This bracing greatly reduces cabinet vibration, which causes unwanted coloration to the sound. ELAC believes that the only parts of a speaker that should be moving are the speaker drivers themselves.


Superior build quality

Count the parts and look at them closely. These don’t look like the components that go in such competitively priced speakers, but rather, speakers that cost much more.




Custom Drivers

Both the tweeter and bass driver have been custom

designed by Andrew Jones to deliver an exceptional audio

experience that can’t be delivered with typical

off-the-shelf parts.

Woven Aramid-Fiber Woofer

Woven aramid fiber offers a superior stiffness-to-weight

ratio and damping over common polypropylene or paper

cones. The added strength allows more flexibility in design

to achieve a smoother, extended frequency response.

Deep-Spheroid Custom Waveguide

A custom-designed tweeter waveguide with a deep

spheroid profile is utilized to improve directivity control

and shield the tweeter wavefront from cabinet diffraction.

Intricate Crossover

A custom seven-element crossover with audio-grade

components is implemented to ensure smooth transition

between the drivers.

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