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Definitive Technology D7 High Performance Bookshelf Speakers in White
Specification
Definitive Technology D7 High Performance Bookshelf Speakers in White

Definitive Technology Demand D7 high-performance bookshelf speakers deliver full-range, room-filling sound and precise imaging in a modern, elegant styling. Featuring technology advancements to both the aluminium dome tweeter and mid-range/woofer sections, each speaker delivers an unrivaled sweet spot, smoother high-frequency reproduction, and three-dimensional imaging for the most technically-advanced, premium bookshelf listening experience.
  • 1" Aluminium Dome Tweeter with 20/20 Wave Alignment Lens™
  • Laterally Offset Tweeter Assembly
  • BDSS™ (Balanced Double Surround System) Midrange/woofer
  • Linear Response Waveguide™
1" ALUMINIUM DOME TWEETER - WITH 20/20 WAVE ALIGNMENT LENS™ AND LATERALLY OFFSET TWEETER ASSEMBLY
Coupled with their new 20/20 Wave Alignment Lens™, their annealed aluminium dome tweeter delivers smoother high frequency response and improved dispersion for a rich and balanced listening experience. Offsetting the tweeter by 5° delivers a more precise centre stereo image by eliminating undesirable symmetric diffraction off the corners of the front baffle.  
EXTRUDED ALUMINIUM FRONT BAFFLE
Clean, modern industrial design with a bead blasted finish provides a timeless look and feel that fits any décor.

LINEAR RESPONSE WAVEGUIDE™
Patented Linear Response Waveguide extends both on and off axis frequency response, whilst improving dispersion for more natural mid-range timbre and more precise imaging.  
BDSS™ MIDRANGE/WOOFER
Patented Balanced Double Surround System (BDSS) midrange/woofer provides greater excursion and output that results in superior mid-range detail and punchier bass compared to drivers of similar size.
DEMAND ELEGANCE - PAINTED CABINET
Each cabinet is hand-crafted to blend seamlessly with your lifestyle—meticulously sanded, painted with five layers of premium gloss paint, then buffed for a near-mirror finish (Level 6) for an uncompromising look in your home.
 
Bass Port
Bass port in each speaker provides superior low-end extension by smoothly transitioning air flow from the speaker into your listening area for deep, extended bass impact whilst minimizing turbulence and distortion.

Annealed Aluminium Dome Tweeter
Our annealed aluminium tweeters are precision engineered to articulate nuance and detail in the high-frequency bands for a crystal-clear listening experience.

Acoustically Transparent Magnetic Grille
The included acoustically transparent magnetic black speaker grilles provide natural, uncoloured sound when placed on the speaker, and remove easily when you want to enjoy looking at them fully uncovered.

SPECIFICATION
Qty Included: Pair
Orientation: Vertical
Height: 9.75" (24.77 cm)
Width: 5.5" (13.97 cm)
Depth: 8.75" (22.23 cm)
Driver Enclosure Type: Bass-ported MDF cabinet with extruded natural bead-blasted aluminium front baffle
Driver Complement:
(1)  4.5" (11.43 cm) d (Round) Polypropylene BDSS Bass - Mid/Woofer
(1)  1" (2.54 cm) d (Round) Annealed Aluminium Dome and Laterally Offset - Tweeter
 
AUDIO QUALITY
Total Frequency Response: 57 Hz → 24,000 Hz
Nominal Impedance: 8 ohms
Sensitivity (1 watt @ 1 metre): 85 dB
Lower and Upper -3dB Limits: 67 Hz → 21,000 Hz
 
INPUTS
Audio Inputs: 
Speaker Inputs: (1) Pair of Binding Posts - Gold-Plated

ON-SHELF MOUNT
Mounting Type:
Available Orientations: Vertical
 
ON-WALL MOUNT
Mounting Type: 3/8 in - 16 Threaded Insert
Available Orientations: Vertical
Mounting Location: Back of Speakers
 
EXTERNAL AMPLIFIER
Recommended Amplifier Power Per Channel: 20 watts → 125 watts

CROSSOVER
A/V Receiver Crossover Settings: Small (80 Hz)

ACCESSORIES
Included Accessories:
(2) Acoustically transparent black magnetic grilles
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