Indiana Line Diva 7 Floorstanding Speakers
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Product Overview & Specifications
The Indiana Line Diva 7 is a high-performance 2-way central channel loudspeaker engineered to deliver high dynamic energy, precise dialogue clarity, and expansive spatial reproduction in home cinema and multi-channel audio setups[cite: 1]. It utilizes a symmetrical MTM (Midrange-Tweeter-Midrange) driver configuration housed in a two-part enclosure built from MDF with a 18 mm thick lacquered front baffle designed to eliminate mechanical resonances[cite: 1].
Acoustically, the Diva 7 incorporates two 150 mm low-midrange transducers with woven Curv polypropylene composite cones, low-resistance die-cast baskets, and proprietary Dual-Wave rubber surrounds that extend linear excursion while reducing harmonic distortion[cite: 1]. Positioned between them is a 26 mm silk dome tweeter featuring a dual-ferrite magnet motor, radial damping chamber, and an aluminum faceplate with an integrated rubber waveguide[cite: 1]. Coupled with a rear-ported bass-reflex enclosure and a deeply optimized crossover network, the speaker provides an easy amplifier load, deep low-frequency extension down to 45 Hz, and a high 92 dB sensitivity[cite: 1].
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- MTM Driver Configuration: Symmetrical Midrange-Tweeter-Midrange layout delivers focused energy, high power handling, and articulate vocal projection for center channel applications[cite: 1].
- Curv Polypropylene Composite Membranes: Dual 150 mm low-midrange drivers feature lightweight, rigid Curv composite cones for accurate, neutral midrange and dynamic bass response[cite: 1].
- Proprietary Dual-Wave Upper Suspension: Custom rubber surround extends linear cone travel, dampens surround-membrane resonances, and improves transient accuracy on acoustic and percussion instruments[cite: 1].
- Silk Dome Tweeter with Radial Damping Chamber: 26 mm tweeter featuring a dual-ferrite motor system and radial chamber for smooth, extended high-frequency response up to 23 kHz[cite: 1].
- Cast Aluminum Faceplate & Rubber Waveguide: Profiled tweeter faceplate expands off-axis high-frequency dispersion and broadens the overall soundstage[cite: 1].
- 18 mm Damped MDF Baffle & Rear Bass-Reflex Port: Dual-layer cabinet construction with an 18 mm thick front panel suppresses cabinet coloration, supported by a tuned rear port for unrestricted low-end extension[cite: 1].
- Optimized Amplifier-Friendly Crossover: Precision-tuned crossover topology crossing over at 3.5 kHz ensures phase linearity, balanced frequency response, and broad amplifier compatibility[cite: 1].
SPECIFICATIONS
| Specification | Detail |
|---|---|
| Product Category | 2-Way Bass-Reflex Center Channel Loudspeaker[cite: 1] |
| Brand / Series | Indiana Line Diva Series[cite: 1] |
| Model Designation | Diva 7[cite: 1] |
| Driver Alignment | MTM (Midrange-Tweeter-Midrange) Symmetrical Configuration[cite: 1] |
| High-Frequency Transducer | 1 x 26 mm Silk Dome Tweeter with Radial Damping Chamber & Dual-Ferrite Magnet[cite: 1] |
| Low-Midrange Transducers | 2 x 150 mm Curv Polypropylene Composite Cone Drivers with Dual-Wave Surrounds[cite: 1] |
| Frequency Response | 45 Hz – 23,000 Hz[cite: 1] |
| Sensitivity (2.8V @ 1m) | 92 dB[cite: 1] |
| Crossover Frequency | 3.5 kHz (3500 Hz)[cite: 1] |
| Recommended Amplifier Power | 30 W – 140 W[cite: 1] |
| Enclosure Type & Construction | Rear-Ported Bass Reflex | Two-Part MDF Cabinet with 18 mm Lacquered Baffle[cite: 1] |
| Grille Design | Black Acoustically Transparent Fabric (Magnetically Mounted)[cite: 1] |
| Available Finishes | Matte Black or Wood Veneer with White Front Baffle[cite: 1] |
| Dimensions (H x W x D) | 166 x 470 x 260 mm (6.5" x 18.5" x 10.2")[cite: 1] |
| Weight | 8.3 kg (18.3 lbs)[cite: 1] |
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Indiana Line Diva 7 Floorstanding Speakers
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