Kenwood LS-110
The Kenwood LS-110 is a 3-way bookshelf speaker system from the early 1980s. It was a compact, budget-oriented model in Kenwood's lineup, and it still carried some interesting engineering. The most notable part is the 2.5 cm ion-plated titanium dome tweeter, which Kenwood claimed was a world first. Ion plating ionizes titanium nitride and accelerates it in a plasma state to deposit it on the titanium surface. The result is a diaphragm with hardness more than six times that of plain titanium. That is high-end thinking in what was otherwise an affordable speaker.
The low end was handled by a 21 cm cone woofer. Its diaphragm is a polypropylene and mica composite, reinforced by molded corrugation, with a glass-fiber (GFRP) voice coil bobbin. Maximum input is rated at 130W (EIAJ), with a rated input of 50W and an instantaneous maximum of 180W. A dome super tweeter covered the top octave, and the crossover points were set at 4 kHz and 10 kHz. The enclosure is bass reflex with a symmetrical layout. At 270 × 480 × 216 mm and 8 kg, it really is bookshelf-sized.
The LS-110 appeared in a November 1984 Kenwood brochure as the budget companion to the LS-990A (¥59,800) and LS-330 (¥37,000). It was priced at ¥28,000 per unit. One seller describes it as a "budget version" made of particle board (ДСП). It should not be confused with the unrelated LS-11ES. A Dutch seller says the speakers offer "a warm and clear sound with excellent response." That is about as close to a review as exists for this model, since no formal period reviews have surfaced.
Known specifications:
- Type: 3-way, 3-speaker, bass reflex, bookshelf
- Woofer: 21 cm cone (polypropylene/mica composite diaphragm)
- Tweeter: 2.5 cm ion-plated titanium dome
- Super tweeter: dome type
- Frequency response: 40 Hz – 40 kHz
- Rated input: 50W; max input: 130W (EIAJ); instantaneous max: 180W
- Impedance: 6 Ω
- Output sound pressure level: 90 dB/W/m
- Crossover frequencies: 4 kHz, 10 kHz
- Dimensions (W × H × D): 270 × 480 × 216 mm
- Weight: 8 kg
- Made in Japan
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