Definitive Technology Demand Series High-Performance Bookshelf Speakers(Pair) - D9 (B)

D9 (B)

Definitive Technology Demand Series High-Performance Bookshelf Speakers(Pair) - D9 (W)

D9 (W)

Definitive Technology Demand Series High-Performance Bookshelf Speakers(Pair) - D9 (B)

D9 (B)

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  • 1” Aluminum Dome Tweeter with 20/20 Wave Alignment Lens™ and Laterally Offset Tweeter Assembly
  • Laterally Offset Tweeter Assembly
  • BDSS™ (Balanced Double Surround System) Midrange/woofer
  • Integrated passive bass radiator in each speaker produces superior low-end extension

Demand Series D9 

Definitive Technology Demand D9 high-performance bookshelf speakers deliver full-range, room-filling sound and precise imaging in a modern, elegant styling. Featuring technology advancements to both our aluminum dome tweeter and midrange/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" ALUMINUM DOME TWEETER 

WITH 20/20 WAVE ALIGNMENT LENS™ AND LATERALLY OFFSET TWEETER ASSEMBLY

Coupled with our new 20/20 Wave Alignment Lens™, our annealed aluminum 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 center stereo image by eliminating undesirable symmetric diffraction off the corners of the front baffle.  

EXTRUDED ALUMINUM 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, while 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.

Passive Bass Radiator

Integrated passive bass radiator in each speaker produces superior low-end extension. Plus, the addition of a larger spider reduces rocking and increases linearity for deep, tight, clean bass response.

Annealed Aluminum Dome Tweeter

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

Painted Gloss Black Cabinet

Each cabinet is hand-crafted to blend seamlessly with your lifestyle—meticulously sanded, painted with five layers of premium black gloss paint, then buffed for a near-mirror finish (Level 6) for an uncompromising look in your home.

Acoustically Transparent Magnetic Grille

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

OVERALL
Total Pieces2
Included Accessories(2) Acoustically transparent magnetic black speaker grilles
Optional Accessories(1) ST1 Demand Series Speaker Stands (Pair) - Sold Separately
Cabinet Warranty5 years
Drivers Warranty5 years
Original Purchaser OnlyYes
HIGH-PERFORMANCE BOOKSHELF SPEAKER
Qty IncludedPair
OrientationVertical
Height11.71" (29.74 cm)
Width6.5" (16.51 cm)
Depth11.97" (30.4 cm)
Driver Enclosure TypeMDF cabinet with extruded natural bead-blasted aluminum front baffle
Driver Complement(1) 5.25" (13.34 cm) d (Round) Polypropylene BDSS Bass - Mid/Woofer, (1) 1" (2.54 cm) d (Round) Annealed Aluminum Dome and Laterally Offset - Tweeter, (1) 5" (12.7 cm) h x 9" (22.86 cm) w (Oval) Passive - Bass Radiator
HIGH-PERFORMANCE BOOKSHELF SPEAKER - AUDIO QUALITY
Total Frequency Response48 Hz → 24,000 Hz
Nominal Impedance4 ohms
Sensitivity (1 watt @ 1 meter)88 dB
Lower and Upper -3dB Limits64 Hz → 22,000 Hz
HIGH-PERFORMANCE BOOKSHELF SPEAKER - INPUTS
Audio Inputs-
Speaker Inputs(1) (Set) 5-Way Binding Posts - Gold Plated
HIGH-PERFORMANCE BOOKSHELF SPEAKER - ON-STAND MOUNT
Mounting Type1/4 in - 20 Threaded Insert
Available OrientationsVertical
Mounting LocationBottom of Speakers
HIGH-PERFORMANCE BOOKSHELF SPEAKER - ON-SHELF MOUNT
Mounting Type-
Available OrientationsVertical
HIGH-PERFORMANCE BOOKSHELF SPEAKER - EXTERNAL AMPLIFIER
Recommended Amplifier Power Per Channel20 watts → 150 watts
HIGH-PERFORMANCE BOOKSHELF SPEAKER - CROSSOVER
A/V Receiver Crossover SettingsSmall (80 Hz)

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