The Bargain Class A Usher R-1.5 Stereo Amplifier – A High Performer at Any Price!

The Usher R-1.5 stereo amplifier is built like a tank. Its utilitarian industrial design bears a striking resemblance to the Threshold 300 Stasis designed by audio guru Nelson Pass, which should come as no surprise. In 1972 Usher Audio’s owner and head engineer Lien-Shui Tsai built the first Usher R-1.5 amplifier as a copy of… Read More »

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