The Luxman Laboratory Reference Series 5M-21 is a powerful and sophisticated stereo amplifier that embodies the craftsmanship and engineering excellence of Luxman. Designed to deliver high-quality audio reproduction, the 5M-21 features a robust build, utilizing high-grade materials and components. Its output stage is designed to provide clean and precise amplification, ensuring that both low and high frequencies are rendered accurately. The amplifier is characterized by its exceptional dynamic range and low distortion levels, which contribute to an immersive listening experience. The 5M-21 typically includes features such as high-current output transistors, a dual mono design for enhanced channel separation, and a selectable bias for different speaker loads. Additional specifications may encompass an output power rating of approximately 200 watts per channel into 8 ohms, a frequency response that spans 10 Hz to 100 kHz, and multiple input options allowing compatibility with various audio sources. The aesthetic design often includes a classic metal chassis with analog meters and a polished finish, contributing to its visual appeal in an audio setup.