Marantz LS-183 (circa 1988)
Little is documented about the Marantz LS-183. The record shows a small, magnetically shielded speaker system from the late 1980s. It was a "setting-free type" design, meaning it could go just about anywhere without causing magnetic interference with a nearby TV or monitor. It sold as a pair for ¥12,000 around 1988.
The LS-183 is a sealed, single-driver design. Each cabinet has one 10 cm full-range unit, rated at 8 ohms with a maximum input of 40W. Frequency response is listed as 100 Hz to 20,000 Hz, with an output sound pressure level of 88 dB/W/m. Each enclosure measures 140 × 197 × 145 mm and weighs just 1.2 kg. The cabinet is a molded type. A dedicated hook came in the box so the speakers could be wall-mounted, which fits the "setting-free" positioning.
Surviving information beyond the Japanese database entries is thin. A few secondhand listings give small glimpses of real-world use. One Russian seller paired the LS-183 with a Marantz SR 2100 receiver and other Marantz speakers, and described the system as "well-balanced." Another seller praised the mids as excellent for vocal parts. These are anecdotal.
Known specifications:
- Type: 1-way, 1-speaker, sealed (acoustic suspension), magnetically shielded
- Driver: 10 cm full-range
- Impedance: 8 Ω
- Max input: 40W
- Frequency range: 100 Hz – 20,000 Hz
- Output sound pressure level: 88 dB/W/m
- Dimensions: 140 W × 197 H × 145 D mm
- Weight: 1.2 kg
- Original price: ¥12,000 per pair (circa 1988)
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