Angstrom Stella

About the Angstrom Stella

The Angstrom Stella is a high-end stereo integrated amplifier designed with a pure Class A triode operated power output stage, offering 100 watts per channel into 8 ohms. It features a Circlotron output stage configuration with push-pull triode operation and dual output toroidal transformers per channel. The amplifier includes a High Power switch that allows operation at 50% nominal output power to reduce power consumption while maintaining Class A operation. It has generous gain control with separate volume and input gain knobs to accommodate a wide range of source levels. The amplifier is built entirely by hand with point-to-point wiring, ensuring high-quality craftsmanship. Technical specifications include a frequency response from 20 Hz to 85 kHz, total harmonic distortion of about 1%, and a slew rate of 20 V/μs. The unit measures 48 cm wide, 16 cm high, and 43 cm deep, weighing approximately 30 kg. It is praised for its clear, detailed sound, especially in vocals and mids, and its ability to drive speakers with authority even at half power.