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Pioneer SM-1800 II and SC-1800 II set in very good condition and fully operational.Pioneer SM-1800IIType: Stereo power amplifierEffective output (both channels driven, 20 Hz to 20 kHz): 85W + 85W (8 Ω)Harmonic distortion factor (20 Hz to 20 kHz at effective output: )0.01%Output Bandwidth (IHF, double-channel drive, 8 ω): 5 Hz ~ 70 kHz (Distortion Factor 0.05%)Frequency response (at 1W output): 5 Hz to 100 kHz + 0 -1dBInput terminal: Input : 1V/50k ΩOutput terminal: A / B : 4 Ω ~ 16 ΩA + B : 8 Ω ~ 16 ΩHeadphone: Damping factor (20 Hz to 20 kHz, 8 Ω)50Signal-to-noise ratio (IHF, A-network, short circuit): 120dBPower supply voltage: 100 VAC, 50Hz/60HzPower consumption (Electrical Appliance and Material Control Law): 210WExternal dimensions: Width 480x Height 143x Depth 378 mmWeight: 13kgPioneer SC-1800IIType: Stereo preamplifierInput terminal: Phono, Tuner, AUX, Tape Play1, 2Phono maximum allowable input (1 kHz): MM:200mVMC:20mVOutput terminal: Tape Rec1, 2, OutputHarmonic distortion factor (20 Hz to 20 kHz): 0.005% (at 1 v output)Frequency characteristic: Phono : 20 Hz to 20 kHz ± 0.2 dBTuner, AUX, Tape Play : 5 hz to 100 khz + 0 -1dBSignal-to-noise ratio (IHF, A-networkShort circuit)Phono MM:89dBPhono MC:72dBTuner, AUX, Tape Play : 110 dBPower supply voltage: 100 V, 50Hz/60HzPower consumption (Electrical Appliance and Material Control Law): 13WExternal dimensions: Width 480x Height 142x Depth 290 mmWeight: 4.9kg
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Pioneer traces its roots to 1937 in Tokyo, Japan, when founder Nozomu Matsumoto, inspired by the thrill of imported hi-fi speakers, developed the A-8 dynamic speaker and launched a radio and speaker repair shop. The business formalized as Fukuin Shokai Denki Seisakusho in 1938, evolving into Pioneer Corporation and embodying Matsumoto's philosophy of "Move the Heart and Touch the Soul" through audio innovation.
The brand excels across diverse hi-fi categories, pioneering Japan's first headphones in 1960 with the SE-1 and the world's first component-based stereo system in 1965 via the PSC-5A. Pioneer's portfolio spans amplifiers, speakers, turntables, and DACs, alongside landmark car audio advancements like the 1975 Supertuner-equipped stereo and the 1986 in-car CD player, blending home and automotive excellence.
Today, Pioneer holds a commanding mid-to-high-tier position in the market, revered for reliable, performance-driven gear that balances premium quality with accessibility. Its vintage components attract collectors, while current offerings appeal to discerning buyers seeking robust, innovative sound reproduction without boutique excess.
See all Pioneer listings on RADAR.
