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Description
Speaker Driver #810-T470 (8? 15W dual cone, xfmr) |
| Dual cone driver (8 in. 15W) with factory-mounted 70V transformer. |
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FEATURES • Driver: 8 in. 15W dual cone driver with 10 oz. ceramic magnet, hard fiber whizzer cone, and 1 in. voice coil. • Frame: 20-gauge stamped steel, zinc-plated. • Mounting Bolt Circle: 7.625 in. • Transformer: 70V with taps at 0.5, 1, 2, 4W • Assembly Frequency Response: 51Hz-11.4kHz (±6dB) and 50Hz-20kHz (±6.7dB) • Assembly Mounting Depth: 2.84 in. • Assembly Dispersion Angle: 95 degrees conical • Assembly Average Sensitivity: 97.3 dB COMPLIANCE & CERTIFICATION • Made in U.S.A. with global components • Meets or exceeds industry standards A&E SPECIFICATIONS The dual cone 8-inch speaker shall be Lowell Model No. 810-T470 which shall be of the permanent magnet type having a seamless molded fiber cone with a hard fiber whizzer cone mechanically coupled to a voice coil for extended high frequency response. Power rating shall be 15 watts RMS. The voice coil shall have a 1 inch diameter and shall operate in a magnetic field derived from a strontium ferrite (ceramic) magnet having a nominal weight of 10 oz. Voice coil impedance shall be 8ohms. The driver shall have a round, structurally reinforced stamped 20-gauge steel frame with 8.062 in. overall diameter and eight obround holes equally spaced at 45 degrees on a 7.625 in. diameter mounting bolt circle. Overall depth shall not exceed 2.84 in. External metal parts shall be zinc-plated to resist rust and corrosion. The mounted transformer shall be 70V with selectable taps at 0.5, 1, 2, and 4W. The assembly shall be capable of producing a uniform audible frequency response over the range of 51Hz-11.4kHz (±6dB) and 50Hz-20kHz (±6.7dB) with dispersion angle of 95 degrees conical @2000Hz (-6dB). Average sensitivity shall measure 97.3dB (SPL at 1W/1M). |