Assessments - 3, GPA: 3.3
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Facilidade de uso
It can be flush- mounted in either wall, ceiling or baffle installations. All metal parts are heavily cadmium plated. A bracket is provided for mounting a 70-volt ALTEC 15132 Line Transformer. Rugged voice coil construction assures a long life of trouble-free performance. These features make the 403A an excellent choice where quality and initial cost are important. SPECIFICATIONS Power Rating: Frequency Response: Pressure Sensitivity: Impedance: Nominal Free-Air Cone Resonance: Voice Coil Diameter: 12 watts 70-11,000 Hz 95 dB SPL measured at 4' on axis with 1 watt input of band-limited pink noise from 500-3000 Hz. Equal to EIA rating of 48 dB SPL at 30' with 1 milliwatt input (Ref.: 0 dB = 0.0002 dyne/cm2) 8 ohms 80 Hz 1” Magnet Structure-Magnet Type: Flux Density: Magnet Weight: Dimensions: Weight: Mounting Data — Mounting Hole Diameter: Mounting Bolt Centers: Alnico V 9000 gauss 6.80 ounces 8%" (21.11 cm) diameter 4" (10.16 cm) deep 3 pounds (1.36 kg) 7Vt" (18.10 cm) 4 holes equally spaced on 7%" (19.69 cm) diameter circle ARCHITECT'S AND ENGINEER'S SPECIFICATIONS The loudspeaker shall be 8%" in diameter and 4" deep. The voice coil shall have a diameter of 1" and shall operate in a magnetic field of at least 9000 gauss derived from an Alnico V magnet weighing at least 6.80 ounces. The loudspeaker shall meet the following performance criteria. Power rating, 12 watts. Frequency response, uniform from 70-11,000 Hz. Pressure sensitivity, 95 dB SPL measured at 4' on axis with 1 watt input of band-limited pink noise from 500-3000 Hz. Impedance, 8 ohms. Nominal free-air cone resonance, 80 Hz. Weight, 3 pounds. The loudspeaker shall be the ALTEC Model 403A. 1515 SOUTH MANCHESTER AVENUE, ANAHEIM, CALIFORNIA 92803...