The Sony TC-WR665S is a dual hi-fi cassette deck from 1995, notable for its inclusion of Dolby S noise reduction. At the time, this type of noise reduction offered performance approaching CD quality—a rarity for consumer decks in this price range. Key specifications • Type: Dual auto-reverse cassette deck • Noise reduction: Dolby B, C, and S, including Dolby HX Pro headroom extension • Frequency response: 30 Hz to 18 kHz using Metal (Type IV) tapes • Signal-to-noise ratio: 82 dB (with Dolby S engaged) • Tape support: Compatible with Type I (Normal), Type II (CrO2/Chrome), and Type IV (Metal) • Features: Automatic bias and recording level calibration, Multi-AMS (track search), and RMS dubbing (programmed copying). The deck features two cassette slots (Decks A and B), both supporting auto-reverse, which allows for extended playback or recording without the need for manual flipping. It's in top condition cosmetically and technically. All functions work correct. All rubber parts are new! All belts and pinchrollers are new. In addition, the speed has been adjusted correct and the levels for recording, pitch control, playback, azimuth. The heads, are still as new. Speeds checked okay. Heads cleaned and demagnetized. Rewinding, playback and recording all works well. A lot of sweatiest, see all buttons. Music search Dubbing Auto calibration Type: auto reverse, double compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.8 cm/s Tape Type: type I, CrO2, Metal Noise Reduction: B, C, S Headroom Extension: HX Pro Frequency Response: 30Hz to 18kHz (Metal tape) Signal to Noise Ratio: 82dB (dolby S) Wow and Flutter: 0.07% Total Harmonic Distortion: 1.8% Input: 160mV (line) Output: 0.5V (line) Dimensions: 430 x 123 x 290mm Weight: 4.5kg Carefully insured shipped