The Optonica RT-3838 is a stereo receiver that was released in the late 1970s. It boasts a unique combination of functionality and aesthetic appeal that characterized many audio products of that era. The RT-3838 features an integrated amplifier with a power output of approximately 40 watts per channel into 8 ohms, making it suitable for driving a variety of speakers. It has multiple input options, including phono, tuner, and auxiliary, allowing users to connect various audio sources. The receiver also includes a built-in FM tuner with an analog dial for tuning into radio stations. Its design incorporates a heavy metal chassis to reduce vibration and enhance durability. The user interface includes rotary knobs for volume, balance, tone control (bass and treble), and a tuning dial for precise station selection. The RT-3838 is often appreciated for its smooth sound and solid build quality, with vintage aesthetics that appeal to collectors and enthusiasts alike.