The Denon PMA-860 is an integrated amplifier that was introduced in the late 1980s, characterized by its solid construction and ability to produce high-quality audio. It features a dual transformer design which enhances sound quality by providing stable power supply and reducing interference. The amplifier has a power output of approximately 70 watts per channel into 8 ohms, making it suitable for driving a variety of speakers. It includes multiple inputs for connecting different audio sources, such as phono, line, and tape inputs. The PMA-860 also features bass and treble adjustments, allowing users to fine-tune their listening experience. In terms of design, it has a classic look with a sturdy metal chassis and elegant front panel. Additionally, the amplifier employs a sophisticated circuitry that aids in minimizing distortion and maximizing fidelity, which contributes to its warm and rich sound characteristics.