EV 309-8A

EV 309-8A


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Electro-Voice 309-8A 16W 8" Standard Two-Way Ceiling Speaker, 85Hz-18kHz Frequency Response, 8 Ohms Nominal Impedance, Single


About Electro-Voice 309-8A

The Electro-Voice 309-8A 16W 8" Standard Two-Way Ceiling Speaker (Single) is a two-way loudspeaker with 8" low-frequency cones and a high temperature voice-coil assembly coaxially mounted with wide-dispersion cone tweeters. Dual magnet construction allows each speaker to be structurally, magnetically, electrically and mechanically independent of the other.

The 309-8A utilizes a single section crossover network, centered at 3000 Hz, which provides 6 dB of attenuation for the tweeter outside its operating range. The 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.

Electro-Voice 309-8A Features

  • 8" Ceiling Loudspeaker
  • 22-gauge stamped steel frame
  • The 309-8T features a 70.7/100-V line transformer, <1 dB insertion loss and a selection of 1 to 8 watt taps
  • 8 watt transformer

Electro-Voice 309-8A Specifications

Pressure Sensitivity (1W, 500Hz - 3kHz)
96dB SPL
Frequency Response
85Hz - 18kHz
Power-Handling Capacity
16 watts (85 - 18 kHz, band limited pink noise, 6 dB crest factor)
Nominal: 8 Ohms
Minimum: 6 Ohms (11kHz)
Maximum Long-Term Output
108dB SPL (16 W/1 m) re: 20 mPa
Crossover Network
3000Hz with 6 dB-per-octave tweeter protection
Input Terminals
.212" (0.53cm) push terminals
Free Air Resonance
Equivalent Volume Compliance
0.92 cubic-ft
Total Q
Electrical Q
Mechanical Q
Volume Displacement V
1.61 cubic-in.
Reference Efficiency
Speaker Frame
22-gauge stamped steel
Loudspeaker Diameter: 206.5mm (8.12")
Height: 82.6mm (3.25")
1.3kg / 2.87lbs


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