Condition: 8.5/10. Item is absolute pristine condition. Comes with the original box and packaging. Used as rear speakers only with low usage.
Description: Two-way front-ported bookshelf loudspeaker. Drive-units: 1" UA25-10 silk-dome tweeter, 5" KSW2-5029B polypropylene-cone mid-woofer. Sensitivity: 86dB/W/m. Nominal impedance: 8 ohms. Frequency response: 55Hz–20kHz, –3dB. Power handling: 50W. Crossover frequency: 2kHz.
Dimensions: 7.1" (180mm) W by 11.8" (300mm) H by 9.8" (250mm) D. Weight: 13.9 lbs (6.3kg).
The Usher S-520 is a two-channel bookshelf speaker from Usher Audio Technology, a Taiwanese company that manufactures two-channel speakers & home-theater models, all designed by Dr. Joseph D'Appolito in the US and quality manufactured in Taiwan. The brand has achieved international acclaim and status both as designer/developer of loudspeakers of premium quality. The two-way, front-ported S-520 has a 1" silk-dome tweeter and a 5" polypropylene mid-bass cone. It also employs a proprietary technology that Usher calls Symme-Motion, which consists of several, magnetic and moving systems designed to ensure true pistonic movement to reproduce music accurately. The crossover uses low-loss, audiophile-grade polypropylene capacitors and air-core inductors, as well as internal wiring of high-purity OFC thus ensuring highest fidelity.
Rave reviews of this speaker can easily be found on Stereophile, TNT Audio, etc
Last edited by raymond88 on Mon Jun 03, 2019 4:49 pm; edited 1 time in total