Electro Voice PRO-8A
30-watt 8-inch premium two-way ceiling speaker, 8 ohms
8" Coaxial Ceiling Speaker with Dome Tweeter
The PRO-8A is accurate, highly intelligible and musical sounding loudspeaker that is well suited for the reproduction of both voice and music.The PRO-8A employs an unusually large 1-1/2-inch voice coil. This provides increased apex-driving-point cone area and greater thermal capabilities. The result is higher acoustic power output than other brands, which translates into unmatched durability and reliability at lower levels.
High frequencies are reproduced by a 1-1/2-inch piezoelectric tweeter that is mounted directly to the pole piece of the woofer.The tweeter being mounted to a stationary surface at the apex of the woofer minimizes intermodulation distortion and allows for improved time alignment over other coaxial ceiling speaker designs. An acoustically transparent dust dome mounted on the woofer cone encapsulates the tweeter offering excellent dust protection for both the woofer voice coil and the tweeter.
The PRO-8A series of speakers may be used in ported enclosures where improved low frequency response is desired. Placing the loudspeaker in an enclosure of 1.0 cubic foot with a box tuning frequency of 75 Hz will yield a –3 dB point of 80 Hz. An 80 Hz tuning may be obtained with a port having an area of 7.0 square inches and a length of 0.75 inches.
Electro Voice PRO-8A Specifications:
Frequency Response 80 Hz - 16kHz +/-3dB
Maximum Power Handling 30 Watts
Impedance 8 Ohms
SPL 96dB SPL, 1W/1m
Construction Copper voice-coil with polyimide form and insulation, 22-gauge stamped-steel magnet frame with cadmium plating
Magnet Weight: 0.72 lb (0.32 kg)
Material: Barium Ferrite
Voice Coil 1.5" (38.1mm)
Dimensions (HxWxD) 8.6(Diamter) x 3.45(Magnet) x 3.1" (205 x 87.6 x 80mm)
Weight 2.7 lb (1.2 kg)
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