Denon SC-50V
The Denon SC-50V is a compact bookshelf speaker with a built-in amplifier, sold as a single unit. It is poorly documented. No reviews, no production-year confirmation and no owner reception have surfaced. What we know comes from one Japanese audio database entry and a handful of parts listings.
The SC-50V is a 1-way, 1-speaker bass reflex design. One 10 cm cone driver covers all bands, and it sits in a particle-board enclosure with magnetic shielding. The odd part is the integrated 15W amplifier with a low-frequency enhancement circuit. There is also a volume control and a switch between "SP. Direct" and "Amp. In" modes. Rated impedance is 4.3 Ω, maximum input is 50W, and average output sound pressure is 89dB. Frequency response is 60 Hz to 22 kHz when using the built-in amp. Power came from 100 VAC (about 24W) or DC 12-18V. It measures 152 × 224 × 149 mm and weighs 2.5 kg.
The original price was ¥14,800 per unit, around 1986. That date comes from the related SC-51V, which is described as an upgraded version with nearly identical specs and, likely, a shared enclosure. Accessories included the ASG-101 and ASG-102 speaker grips (¥12,000 per pair) and an ASG-50 desktop stand (¥5,800). The AC adapter was sold separately.
The only corroborating source beyond the database is a replacement rubber-surround repair kit listed for the SC-50V and SC-51V together. No THD, S/N ratio or sensitivity figures are documented.
Known Specs
- Type: 1-way, 1-speaker, bass reflex, bookshelf, magnetic shield
- Driver: 10 cm cone (full range)
- Impedance: 4.3 Ω
- Max input: 50W
- Output sound pressure: 89dB
- Built-in amp: 15W rated output, with low-frequency enhancement
- Amp rated input: 600mV/10k Ω, 120 Ω
- Frequency response: 60 Hz – 22 kHz (with amplifier)
- Power: 100 VAC (~24W) or DC 12–18V
- Dimensions: 152 × 224 × 149 mm; 2.5 kg
- Original price: ¥14,800 (circa 1986)
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