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Sansui R-550



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Brand: Sansui

The Sansui R-550 is a classic integrated amplifier that was produced by the Japanese electronics company Sansui in the late 1970s and early 1980s. It is a highly regarded amplifier among audiophiles and music enthusiasts due to its high-quality sound, durable design, and versatile feature set.Here are some features and specifications of the Sansui R-550:1. Power Output: The R-550 delivers a power output of 60 watts per channel at 8 ohms and 100 watts per channel at 4 ohms, making it a powerful amplifier that can drive a wide range of speakers.2. Tube and Solid State Design: The R-550 combines both tube and solid-state components, utilizing a trio of JRC4580 op amps, a pair of 12AX7A tubes, and a single ECC83 tube for the rectifier. This hybrid design provides a rich and warm sound with the clarity and detail of solid-state technology.3. Phono Stage: The R-550 includes a built-in phono stage that supports both MM and MC cartridges, allowing for high-quality vinyl playback without the need for an external phono preamp.4. Coaxial and Tape Loop: The amplifier includes both a coaxial and a tape loop input for connecting external devices such as a CD player or tape deck.5. High-Quality Components: The R-550 is built with high-quality components, including WBT binding posts, polypropylene capacitors, metal-film resistors, and high-voltage ceramic capacitors.6. Robust Construction: The R-550 features a rugged, anti-resonant chassis construction, high-quality aluminum knobs, and a heavy-duty power transformer.7. Aesthetic Design: The R-550 has a simple and elegant design with Oak or mahogany front and rear panels that complement any audio system.Overall, the Sansui R-550 is a highly regarded integrated amplifier that offers excellent versatility, performance, and value for audiophiles and music enthusiasts who appreciate the unique sound quality and build quality of vintage audio equipment.



  • Tuning range: FM, MW
  • Power Output: 35W into 8Ω (stereo)
  • Frequency Response: 10Hz to 50kHz
  • Distortion: 0.5%
  • Speaker Impedance: 8 to 16Ω
  • Input Sensitivity: 2.5mV (mm), 150mV (line)
  • Signal to Noise Ratio: 73dB (mm), 90dB (line)
  • Line Output:
  • Dimensions: 430 x 131 x 333 mm
  • Weight: 6.1 kg
  • Year: 1990
  • Price:

Sansui R-550

Sansui R-550

Sansui R-550

Sansui R-550

Sansui R-550

Sansui R-550



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