Marantz - ST 520 'Slimline Digital Synthesizer' Tuner

The Marantz ST520 is a classic AM/FM stereo hi-fi tuner launched by Marantz in 1982. This model is known for its sleek, typically ’80s design and the introduction of digital synthesizer tuning.
Key Features & Functions
Digital display: Equipped with a clear digital frequency display and a convenient signal-strength meter made up of 5 LED lights.
Station presets: Offers space for 14 preset stations (7 for FM and 7 for AM).
Reception technology: Uses a PLL synthesizer and a dual-gate MOSFET front end for stable, precise FM reception.
Adjustable scan steps: A switch on the rear lets you adjust the scan steps (50kHz or 200kHz for FM), which is essential for effective automatic station tuning, depending on your region.
Technical Specifications
Tuning bands: FM (87.5 to 108 MHz) and MW/medium wave (522 to 1611 kHz).
Sensitivity (FM): 0.7 uV (Mono) / 20 uV (Stereo).
Signal-to-noise ratio: 68 dB (FM) / 50 dB (MW).
Total harmonic distortion (THD): 0.1% (Mono) / 0.2% (Stereo).
Frequency response (FM): 20 Hz to 15 kHz.
Dimensions (W x H x D): 416 x 55 x 302 mm.
Weight: 3.3 kg.