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Product Description

Line Circle
  • 1-inch annealed aluminum dome tweeter with 20/20 Wave Alignment Lens
  • Laterally Offset Tweeter Assembly
  • BDSS (Balanced Double Surround System) Midrange/woofer
  • Integrated passive bass radiator in each speaker produces superior low-end extension
  • 5-layer painted high-gloss black cabinet
  • Acoustically Transparent Magnetic Grille

The Demand Series D9 high-performance bookshelf speakers deliver full-range, room-filling sound and precise imaging in a modern, elegant styling. Featuring technology advancements to both the 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
Coupled with the 20/20 Wave Alignment Lens, Definitive Technology's 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 Double Surround mid-range provides greater linear excursion and output that results in superior mid-range detail 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
Definitive Technology's 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.

OPTIONAL DEMAND ST1 SPEAKER STANDS
The optional ST1 speaker stands (sold separately) elevate the speaker to the ideal listening height (32") and can be filled with your choice material (ex. sand) to provide a solid and stable speaker foundation.

Features & Specs Line Circle

FREQUENCY RESPONSE
48 Hz → 24,000 Hz
SENSITIVITY
88 dB
NOMINAL IMPEDANCE
4 ohms
DIMENSIONS (HxWxD)
11.71" x 6.5" x 11.97"
DRIVER ENCLOSUER TYPE
MDF cabinet with extruded natural bead-blasted aluminum front baffle
RECOMMENDED AMPLIFIER POWER PER CHANNEL
20 watts → 150 watts
FREQUENCY RESPONSE
48 Hz → 24,000 Hz
SENSITIVITY
88 dB
NOMINAL IMPEDANCE
4 ohms
DIMENSIONS (HxWxD)
11.71" x 6.5" x 11.97"
DRIVER ENCLOSUER TYPE
MDF cabinet with extruded natural bead-blasted aluminum front baffle
RECOMMENDED AMPLIFIER POWER PER CHANNEL
20 watts → 150 watts
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Product Descriptiondown arrow

Product Description

Line Circle
  • 1-inch annealed aluminum dome tweeter with 20/20 Wave Alignment Lens
  • Laterally Offset Tweeter Assembly
  • BDSS (Balanced Double Surround System) Midrange/woofer
  • Integrated passive bass radiator in each speaker produces superior low-end extension
  • 5-layer painted high-gloss black cabinet
  • Acoustically Transparent Magnetic Grille

The Demand Series D9 high-performance bookshelf speakers deliver full-range, room-filling sound and precise imaging in a modern, elegant styling. Featuring technology advancements to both the 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
Coupled with the 20/20 Wave Alignment Lens, Definitive Technology's 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 Double Surround mid-range provides greater linear excursion and output that results in superior mid-range detail 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
Definitive Technology's 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.

OPTIONAL DEMAND ST1 SPEAKER STANDS
The optional ST1 speaker stands (sold separately) elevate the speaker to the ideal listening height (32") and can be filled with your choice material (ex. sand) to provide a solid and stable speaker foundation.

Features & Specsdown arrow

Features & Specs Line Circle

FREQUENCY RESPONSE
48 Hz → 24,000 Hz
SENSITIVITY
88 dB
NOMINAL IMPEDANCE
4 ohms
DIMENSIONS (HxWxD)
11.71" x 6.5" x 11.97"
DRIVER ENCLOSUER TYPE
MDF cabinet with extruded natural bead-blasted aluminum front baffle
RECOMMENDED AMPLIFIER POWER PER CHANNEL
20 watts → 150 watts
FREQUENCY RESPONSE
48 Hz → 24,000 Hz
SENSITIVITY
88 dB
NOMINAL IMPEDANCE
4 ohms
DIMENSIONS (HxWxD)
11.71" x 6.5" x 11.97"
DRIVER ENCLOSUER TYPE
MDF cabinet with extruded natural bead-blasted aluminum front baffle
RECOMMENDED AMPLIFIER POWER PER CHANNEL
20 watts → 150 watts
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Expert Insights Coming Soon
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