Brand: Technics Model: RS‑BX646 Type: Stereo cassette deck Heads: 3‑Head with off‑tape monitoring Noise Reduction: Dolby B / Dolby C / HX Pro Dimensions: 430 × 125 × 293 mm Weight: 4.6 kg Colour: Black / Anthracite Technics RS‑BX646 Stereo Cassette Deck A high‑quality early‑1990s Technics 3‑head cassette deck, manufactured in Japan and designed for accurate recording and playback. This model features true 3‑head monitoring, allowing real‑time comparison between source and tape during recording, alongside Dolby B & C noise reduction and HX Pro headroom extension for improved high‑frequency performance. The deck supports Type I, CrO₂ (Type II), and Metal (Type IV) tapes and includes Advanced ATC (Auto Tape Calibration) for optimised bias and level matching. A solid chassis with Technics Hybrid Construction Base helps minimise resonance. Condition Tested and fully working All functions operate correctly Cosmetic wear present, including surface scratches on the top panel (clearly shown in photos) No structural damage or technical faults What’s Included Technics RS‑BX646 cassette deck only No original box or manuals included Deck Type: Single cassette deck Track System: 4‑track, 2‑channel stereo Tape Speed: 4.8 cm/s Heads: 3 (record/playback + erase) Motors: 3 (capstan, reel, door) Frequency Response: Normal: up to 18 kHz Chrome: up to 19 kHz Metal: up to 20 kHz Signal‑to‑Noise Ratio: Dolby C: 74 dB Wow & Flutter: 0.07% WRMS Inputs: Line In (REC) 100 mV / 47 kΩ Outputs: Line Out (PLAY) 500 mV / 500 Ω Power: 230–240 V AC, 50/60 Hz Power Consumption: 21 W Dimensions (W×H×D): 430 × 125 × 293 mm Weight: 4.6 kg Country of Manufacture: Japan Technics cassette deck, RS‑BX646, 3 head cassette deck, Dolby HX Pro, vintage hi fi, Japanese cassette deck, Technics stereo deck, 1990s hi‑fi