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Electro-Voice 309-8A 8 inch Coaxial Ceiling Speaker (Discontinued)
Part # F.01U.117.889
Model # 309-8A

The Electro-Voice 309 series loudspeaker systems are two-way loudspeakers with 8" low-frequency cones and high temperature voice-coil assemblies coaxially mounted with wide-dispersion cone tweeters.

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Description

Details

The Electro-Voice 309 series loudspeaker systems are two-way loudspeakers with 8-inch low-frequency cones and high temperature voice-coil assemblies coaxially mounted with wide-dispersion cone tweeters. The dual magnet construction allows each speaker to be structurally, magnetically, electrically and mechanically independent of the other. The 309-8A/309-4T/309-8T utilize a single section crossover network, centered at 3,000 Hz, which provides 6 dB of attenuation for the tweeter outside its operating range. The 309-4T is provided with a 25/70.7/100-V line transformer that offers <1 dB insertion loss and a selection of 0.5-, 1-, 2- and 4-W taps.

These components are designed to work together as a complete system of in-ceiling loudspeakers and accessories. They provide wide dispersion, high-efficiency, high- maximum output, ease of installation and wide-range reproduction of music or voice.
 
Note: This product must be ordered in multiples of 16

Features

Features

  • 8-inch low-frequency cones and high temperature voice-coil assemblies coaxially mounted with wide-dispersion cone tweeters
  • Dual magnet construction allows each speaker to be structurally, magnetically, electrically and mechanically independent of the other
  • Utilizes a single section crossover network
  • Designed to work together as a complete system of in-ceiling loudspeakers and accessories
Specification
Pressure Sensitivity96 dB SPL (1 W, 500 Hz - 3 kHz) re: 20 μPa
Frequency Response85 Hz - 18 kHz
Power-Handling Capacity16W
ImpedanceNominal: 8 ohms; Minimum: 6 ohms (11 kHz)
Maximum Long-Term Output108 dB SPL (16 W/1 m) re: 20 mPa
Crossover Network3,000 Hz with 6 dB-per-octave tweeter protection
Input Terminals0.212" push terminals
Free Air Resonance110 Hz
Equivalent Volume Compliance, VAS0.92 ft
Total Q, QTS0.94
Electrical Q, QES1.16
Mechanical Q, QMS5.03
Volume Displacement1.61"
Reference Efficiency2.87%
Speaker Frame22-gauge stamped steel
Dimensions (Dia x H)8.13" (206.5 mm) x 3.25" (82.6 mm)
Net Weight2.8 lbs (1.3 kg)
Shipping Weight3.3 lbs (1.5 kg)
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