Sansui QRX-5500 Quadraphonic Four Channel Stereo Receiver (1973)
The Sansui QRX-5500 is a vintage quadraphonic stereo receiver from the golden era of hi-fi. Designed to power four speakers simultaneously, this unit delivers immersive 4-channel sound along with excellent 2-channel stereo performance. Featuring Sansui’s built-in matrix decoding and discrete 4-channel capability, the QRX-5500 is ideal for quadraphonic vinyl, tape, or creating a spacious soundstage from standard stereo sources. With its classic brushed aluminum faceplate and analog tuning dial, this is a true statement piece for any vintage audio setup. Fully SpenCertified and ready to perform.
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
100% tested and functional. Cleaned inside and out; worn parts replaced as needed. Controls and switches cleaned with electronics-safe contact cleaner. Output stage tested under load. Tuner aligned and verified. Internal dust removal completed.
Cosmetic Condition: 9/10
Functional Condition: 10/10
📦 Professionally packed and shipped with care.
WHAT'S IN THE BOX?
- Sansui QRX-5500 Quadraphonic Four Channel Stereo Receiver (1973)
- Speaker Wire
Other information about the Sansui QRX-5500
- Tuning range: FM, MW
- Power output: 22W/ch into 8Ω (quadraphonic)
- Frequency response: 30Hz to 30kHz
- Total harmonic distortion: 0.3%
- Damping factor: 40
- Input sensitivity: 2.5mV (mic), 2.5mV (MM), 100mV (DIN), 100mV (line)
- Signal to noise ratio: 70dB (MM), 80dB (line)
- Output: 100mV (line), 30mV (DIN)
- Speaker load impedance: 8Ω
- Semiconductors: 136 x transistors, 5 x FET, 80 x diodes, 6 x zener diodes, 3 x IC
- Quadraphonic 4-channel receiver
- Matrix and discrete 4-channel capability
- Classic analog AM/FM tuner
- Illuminated dial and signal meters
- Front-panel balance and tone controls
- Multiple speaker outputs (Front / Rear)
- Tape monitor loops
DIMENSIONS
- Size: 23″ W × 8″ H × 14.3″ D
- Weight: 48 lb
INPUTS
- Mic x1 (front)
- Phono x2 L/R (back)
- AUX x4 L/R (back)
- Tape x5 L/R (back)
OUTPUTS
-
Headphones Jack x1 L/R (front)
- Tape x5 L/R (back)
- Speakers x3 L/R (back)
MANUFACTURE DATE and PLACE
- MFD. 1973
- Made in Japan