Kenwood LS-880D (1986)

The Kenwood LS-880D is a 3-way, 3-speaker bass reflex bookshelf speaker released in 1986 at ¥45,000 per unit. It's a big one at 17kg and 590mm tall, and it shows off Kenwood's late-1980s material science ambitions. The woofer is a 27cm cone with a "New HR carbon" reinforced diaphragm, built as a three-layer sandwich of pulp and resin. It's driven by a magnet with 92,000 maxwell total flux and an aluminum voice coil bobbin. The midrange is a 7.5cm semi-dome type with ion-plated titanium, which splits the difference between dome and cone behavior. The tweeter is a 2.5cm dome made of "plasma diamond titanium" - titanium with a diamond thin film ion-plated onto it. Kenwood claimed this gave high rigidity and no resonance point.

The drivers are where Kenwood was clearly showing off. The woofer and tweeter both use Kenwood's "Class A suspension," with two suspensions working against each other to cancel non-linear strain. The tweeter's edge sits inside the magnetic circuit to eliminate unwanted radiation. The enclosure has rounded baffles on both sides to reduce diffraction effects. An acoustic level control lets you adjust output to your room. Rated specs are 33Hz - 47kHz frequency response, 150W (EIAJ) max input, 91dB/W/m sensitivity and 6Ω impedance, with crossovers at 700Hz and 5kHz.

Period reception is thin but positive. A Russian video pairing these with the 1988 Kenwood DA-9010 amplifier calls them a "сладкая парочка" ("sweet couple"). An Avito listing describes them as "mid-forward, peppy, bright - for emotional, intense, dynamic music." One owner noted they're "small, well-playing speakers in their price category." A used auction listing on Yahoo Auctions (via HifiShark) showed a bid of ¥1,000 in March 2026, though that's a starting bid rather than a settled market price.

Little else is documented. There's no detailed crossover component info, no THD figures, and no clear sense of where this sat in Kenwood's 1986 lineup.

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