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LA-250 Series
High Power Coaxial Super Dispersion Series
  • Full range, low distortion coaxial loudspeaker
  • Rated at 160 Watts continuous program
  • Meets the need for a very high quality ceiling speaker
  • High efficiency, ultra-wide bandwidth and high power handling
  • Ideal choice in a wide variety of commercial installations including digital jukebox locations, auditoriums, lobbies, etc.
The unit offers smooth response and excellent off-axis dispersion, which limits the need for equalization and processing equipment. It also features a long-throw polycone and inverted rubber surround which can eliminate the need for sub-woofers in applications where low bass is required. A 1/2" dome tweeter mounted on a post provides very uniform coverage.
 
The LA-250 Series is available in three versions:
  1. The LA-250 contains a 4x8" loudspeaker system.
  2. The LA-250C (Corner array) features a 2x8" system with transducers mounted adjacent to each other.
  3. The LA-250H (Hallway array) contains a 2x8" loudspeaker system with transducers mounted parallel to each other.
 
LA-250 Specifications
Nominal Diameter: 8 1/8" (20.63cm)
Rated Impedance: 8 Ohms
Power Handling: 160 w continuous program
Sensitivity: 94 dB 1.5 kHz to 8 kHz spl, at 1w 1m
Frequency Range: 45 Hz - 22 kHz
Components: 4 x 8" (20.32cm) low frequency transducer
4 x 1/2" (13mm) soft dome tweeter
Crossover Frequency: 5 kHz
Voice Coil Diameter: 1.15: (2.92cm) high temperature
Nominal Magnet Weight: 19.4 oz (.55kg)
Transducer Depth: 3 1/4" (8.25cm)
Dimensions: 5 ¾" (14.6cm) H x 23 ¾" (60.32cm) W and L
4.13" (10.49cm) depth below ceiling surface
Net Weight: 20.71 ils (9.39kg) metal grille
24 lbs shipping weight
 
Click to Enlarge:
Diagonal Octave Polar Plot Frequency Response
 
Architectural Specifications
  • The LA-250 loudspeaker system shall be a self-contained, full range device, consisting of four 8" (20.3cm) coaxial transducers, a 1/2" dome tweeter mounted on a post, with a wide coverage pattern.
  • The system sensitivity shall be 90 dB below 1.5 kHz, 94 dB 1.5 kHz to 8 kHz, 92 dB 8 kHz to 22 kHz spl at 1 meter with 1w input.
  • The frequency response shall be 45 Hz - 22 kHz. The crossover frequency shall be 5000 Hz.
  • The continuous power handling capacity shall be 160 Watts.
  • Each 8" driver will be mounted in a pyramidal enclosure made of high grade polystyrene in either a flat white or black finish.
  • The unit is designed to fit into a standard 15/16" t-bar suspended ceiling. Its dimensions shall be 5 ¾" (14.6cm) in depth, 23 ¾" (60.3cm) in width and 23 ¾" (60.3cm) in length.
  • The unit will extend 4.13" (10.5cm) below the ceiling grid.
  • Each speaker will be mounted to the enclosure with 4 flush mounted screws.
  • Metal grille painted white or black will be mounted between each driver and the enclosure.
  • Net weight shall not exceed 20.7 lbs. (9.4 kg).
  • The loudspeaker system shall be a LA250-MG, manufactured by Lansdale Amusement Company.
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