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Sansui AU-505



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Brand: Sansui

The Sansui AU-505 is an integrated amplifier released by Sansui, a Japanese electronics manufacturer, in the late 1970s. It is considered a classic vintage audio component due to its high-quality sound, durable build, and sophisticated design. The AU-505 has a power output of 2x50 watts per channel (into 8 ohms) and uses advanced technologies such as an MC transformer direct-coupled input stage and a main amplifier using a special mu-metal core transformer. It features two sets of line-level inputs, one for phono inputs, and a pre-amplifier output for connecting to an external power amplifier. The volume control is housed in a solid aluminum case, and the front panel is made of high-quality phenolic resin, adding to the amplifier's aesthetics and durability.The AU-505 is highly regarded by audiophiles for its warm, rich, and detailed sound, making it well-suited for playing vocals, classical music, and jazz. The amplifier's reputation has led to its preservation by dedicated collectors and hobbyists, making it a must-have for analog audio enthusiasts.Overall, the Sansui AU-505 is a classic vintage audio component that combines high-quality sound, durable build, and superior design, making it a significant contribution to the history of high-fidelity audio.



  • Power Output: 12W into 8Ω (stereo)
  • Frequency Response: 20Hz to 60kHz
  • Distortion: 0.5%
  • Damping Factor: 50
  • Speaker Impedance: 4 to 16Ω
  • Input Sensitivity: 4mV (mic), 3mV (mm), 200mV (line)
  • Signal to Noise Ratio: 70dB (mic), 70dB (mm), 75dB (line)
  • Line Output: 200mV (line), 30mV (din)
  • Dimensions: 407 x 115 x 278 mm
  • Weight: 8.0 kg
  • Year:
  • Price:

Sansui AU-505

Sansui AU-505

Sansui AU-505

Sansui AU-505

Sansui AU-505

Sansui AU-505

Sansui AU-505

Sansui AU-505



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