Audio Research
S-100
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HiFi Editorial
Audio Research S-100 Stereo Power Amplifier Expands the Brand’s Solid-State Line
Audio Research expands beyond tube designs with the S-100 stereo power amplifier, a solid-state Class A/B model targeting demanding high-end stereo systems.
The dual-mono architecture uses two independent toroidal transformers and fully balanced circuitry, minimizing crosstalk while ensuring stable power delivery under dynamic loads.
Rated at 100 W per channel into 8 ohms and doubling to 200 W into 4 ohms, the S-100 offers high current capability for low-impedance speakers.