Technics SA-GX390

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The Technics SA-GX390 is an analog stereo audio amplifier that was introduced by the company in the late 1980s. It is a part of the Technics Grand Series, known for its high-quality audio components, and it belongs to the GX (Grand Excel) range, which is recognized for having exceptional sound quality and sophisticated design.The SA-GX390 offers a maximum power output of 100 watts per channel in stereo at 20 Hz to 20 kHz (THD 0.3% at rated output). It has advanced features, such as high-current toroidal transformers, selected-channel standby power supply for low power consumption, and custom-made multi-stage RC (resistance-capacitance) filters with capacitors mounted directly onto the front and rear panels to minimize vibration and minimize magnetic flux.The SA-GX390 also features a symmetrical double-chassis layout, with separate units for signal processing, power supply, and output circuits. It has a single 35-pin input terminal compatible with the Technics SL-GX1 and SL-GX505 turntables, which allows users to connect these turntables directly to the amplifier without the need for additional equipment.Additionally, the SA-GX390 has a selectable output-level adjustment switch (-10 dB or 0 dB) to match the input signals properly and adapt the amplifier to different sources. It has gold-plated speaker terminals for secure and high-quality connectivity, as well as independent pre-amp and record outputs for added flexibility.Overall, the Technics SA-GX390 is a high-performance stereo amplifier that combines refined design, high-quality components, and advanced technology, making it a desirable choice for audiophiles and music enthusiasts who seek exceptional sound quality and reliability.