Acoustic system Definitive Technology Demand D9
The Definitive Technology Demand D9 high-performance bookshelf systems deliver full-blown, room-filling sound in a modern, elegant style.
The front panel of the acoustics is made of aluminum, and the MDF body is painted with five layers of black glossy lacquer, polished almost to a mirror state. The speakers are covered with a grill with a black acoustically transparent fabric, which is attached with magnets.
The model has an inch tweeter with an aluminum dome and a waveguide (the company calls it 20/20 Wave Alignment Lens), slightly shifted relative to the center of the speaker. This solution was used to better display stereo sound by eliminating symmetrical wave diffraction from the corners of the front panel. The BDSS (Balanced Double Surround System) mid/bass driver delivers more powerful bass than competitors of the same size.
- 1" Aluminum dome tweeter with 20/20 Wave Alignment Lens
- BDSS (Balanced Dual Space System) Midrange/woofer
- Built-in passive radiator in each speaker provides excellent bass extension
Are common
Speaker type: | shelf acoustics |
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Description: | shelf, passive, closed type |
Color group: | The black |
Exact Color: | The black |
Kit composition: | 2 columns |
Acoustic design: | closed |
Country (Head office): | USA |
Power
Amplifier minimum power: | 20 watts per channel |
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Maximum amplifier power: | 150W per channel |
Specifications
Number of lanes: | 2 |
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Sensitivity: | 88 dB |
Max. input impedance: | 8 ohm |
Min. playback frequency: | 44 Hz |
Max. playback frequency: | 24 kHz |
Speakers
Number of speakers: | 2 |
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tweeter: | 1 x 25mm |
Woofer: | 1 x 133.4mm |
physical characteristics
Column Width: | 165 mm |
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Column Height: | 297 mm |
Column depth: | 304 mm |
Frame
Case material: | wood/MDF |
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Body Finish: | polished aluminium, piano lacquer |
Connectors
Input connectors: | gold-plated terminals |
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Acoustic installation
Installation location: | shelf |
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