Proton B940

History & Description

The Proton B940 is a stereo receiver from the 1980s, produced by Proton, a company recognized for delivering high-performance audio components with a focus on clean design and advanced engineering. Proton, though not as mainstream as Pioneer or Marantz, earned a reputation among audiophiles for offering excellent sound quality, innovative circuitry, and robust construction at a competitive price. The B940 exemplifies this approach, combining sleek, minimalist styling with powerful amplification and precision tuner performance. Today, it stands out as a distinctive piece of vintage audio gear, appealing to collectors who appreciate Proton’s understated but high-quality hi-fi designs.

Technical Specifications

The Proton B940 is a 2-channel stereo receiver rated at approximately 40 watts per channel into 8 ohms, providing detailed and natural sound suitable for small to medium listening spaces. It features a high-sensitivity AM/FM tuner with smooth analog tuning and a range of input options, including phono, aux, and tape loops, for connecting turntables and other analog sources. Its frequency response spans 20 Hz to 20 kHz, with low total harmonic distortion (typically under 0.1%) for accurate sound reproduction. The unit measures about 440 mm (W) x 120 mm (H) x 320 mm (D) and weighs around 9 kg (20 lbs). With its clean lines, functional layout, and refined sound, the B940 remains a strong example of Proton’s dedication to audiophile-grade performance.