Brand: Hitachi
The Hitachi SR-903 is an iconic and highly sought-after vacuum tube stereo audio amplifier that was produced in the 1970s. It is known for its exceptional sound quality, which many consider to be some of the best that can be heard in high-end audio systems. The SR-903 features custom-made vacuum tubes, including specially selected Super Tonymaster tubes, which contribute to its rich and detailed sound. It also has a powerful output section, which can deliver up to 100 watts per channel into 8 ohms load. The SR-903's design and construction are of the highest quality, with massive Marconi-grade transformers, extensive use of high-quality capacitors and resistors, and a high-grade circuit layout. All of these factors combined make the Hitachi SR-903 one of the most celebrated and desirable audio amplifiers ever made.