Technics stereo system

System Components • Technics SU-G86 • Type: Audio/Video amplifier / control center (released around 1997). • Power Output: 120 watts per channel into 8Ω (stereo); surround channels output 110W for front, center, and rear. • Key Features: Class H/AA amplification topology, Dolby Pro-Logic surround sound decoding, manual tone and balance controls, and a built-in cooling fan. • Technics ST-K55 • Type: AM/FM stereo synthesizer digital quartz tuner. • Key Features: Quartz-synthesized tuning, 16-station preset memory, auto-search functions, digital frequency readout, and signal strength indicators. • Technics SL-MC409 • Type: 110+1 multi-disc compact disc changer (released around 1996). • Key Features: Jukebox-style multi-play mechanism holding up to 111 CDs, 1-bit MASH digital-to-analog converter, and custom group programming features (DISC GROUPING and GROUP ENTER). • Technics EUR646496 • Type: OEM Infrared Remote Control. • Compatibility: Originally supplied with Technics A/V receivers and amplifiers from the same era (such as the SA-AX730, SA-DX930, and SU-G88/SU-G86 families), featuring a sliding lower-door cover over extended system function buttons. The Dynalab SDA 2.8 Signature Reference (also known as Dynalab Audio Technologies SDA 2.8) are 3-way floor-standing tower speakers widely recognized in the audio community as a classic "white van speaker" brand—meaning they were typically sold out of the back of unmarked vans or trucks with inflated retail claims and high-pressure sales tactics. Specifications & Design • Type: 3-way, floor-standing tower speaker (Passive) • Woofer: Dual 8-inch bi-lamented cone woofers • Tweeter: Titanium-coated dome or mylar dome tweeter • Enclosure Design: 4th-order Butterworth ported design • Power Handling: 15W RMS / 200W music power (max rating) • Impedance: 8 Ohms nominal (though real-world impedance can dip lower) • Sensitivity / Max Output: 91 dB (1W/1M), up to 100 dB max • Frequency Response: 39 Hz – 22,000 Hz • Crossover: 4,000 Hz Cable and rack included. Tested