The Marantz SM-1000 is a vintage stereo power amplifier that was produced by Marantz in the 1970s. It has a solid-state design and is known for its high power output and exceptional audio quality. The amplifier delivers 200 watts per channel into 8 ohms and 300 watts per channel into 4 ohms, making it suitable for driving demanding speakers. It features a heavy-duty power supply and robust construction, ensuring reliable performance. The Marantz SM-1000 is highly sought after by audio enthusiasts and collectors due to its vintage appeal and impressive sonic capabilities.