Kenwood LS-880
A 3-way bookshelf speaker system built for high dynamic range digital audio. It uses Kenwood's own Class A suspension and a plasma diamond tweeter.
Overview
The Kenwood LS-880 is a 3-way, bass reflex speaker system from TRIO-KENWOOD. It was designed for accurate sound across a wide frequency range, using advanced materials and proprietary technologies aimed at the emerging digital audio era. The drivers are a 27 cm cone woofer, a 7.5 cm semi-dome midrange and a 2.5 cm dome tweeter. They sit in a bookshelf-sized enclosure with rounded baffles to minimize diffraction.
Specifications
| Model Rating Method | 3-Way, 3-Speaker, Bass reflex system, Bookshelf Type |
| Unit For low band | 27 cm cone type |
| Unit For Middle Area | 7.5 cm Semi-dome Type |
| Unit For high-pass | 2.5 cm dome type |
| Playback frequency band | 33 Hz to 45 kHz |
| Max Input | 150W(EIAJ) |
| Impedance | 6 Ω |
| Output sound pressure level | 91dB/W/m |
| Crossover frequency | 700 Hz, 5 kHz |
| External dimensions | Width 310 x Height 590 x Depth 317 mm |
| Weight | 15.5kg |
Design
The woofer uses Kenwood's Class A suspension. Two suspensions work against each other to cancel non-linear distortion, so the diaphragm moves linearly. The 27 cm woofer has a 3-layer composite cone reinforced with HR carbon, and a rigid aluminum voice coil driven by a 92,000 maxwell magnet. The 7.5 cm midrange has an ion-plated titanium semi-dome diaphragm, a 46,000 maxwell magnet and a heat-curable aluminum wire voice coil. The 2.5 cm tweeter has a plasma diamond titanium diaphragm, ion-plated for hardness exceeding titanium. It also gets a strontium ferrite magnet and its own internal Class A suspension. The crossover puts each driver on an isolated PCB to reduce crosstalk, and the wiring is oxygen-free copper. Acoustic level controls let you adjust the sound for room placement. The cabinet has rounded baffles to reduce diffraction.
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