The Pioneer SX-850 is a solid-state integrated stereo receiver that was introduced in the mid-1970s. This model combines both AM and FM capabilities, offering a robust tuning range with a beautifully designed analog dial and a dual-meters display. It is capable of delivering a power output rated at 85 watts per channel into 8 ohms, which makes it suitable for driving a wide range of speakers. The receiver features a Total Harmonic Distortion (THD) specification of less than 0.1%, indicating high fidelity in sound reproduction. The SX-850 has multiple input options, including phono, auxiliary, and tape, alongside a dedicated headphone output. Users can also enjoy tonal control via bass and treble adjustments, and the receiver is outfitted with a loudness switch for enhanced listening experiences at lower volumes. Build quality is substantial, evidenced by the heavy chassis and quality components, reflecting the manufacturing standards of its era. The SX-850 is appreciated for its warm sound signature and is often sought after by vintage audio enthusiasts.
