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Biamp Desono D4LP - 2-Way 4.5-Inch Low Profile Ceiling Loudspeaker (White / Pair)

 
  • Dale #:

    BIAM-DESONOD4LPKIT
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Description

D4LP is the D4 coaxial design in a low profile back can for use when clearances above the ceiling are minimal. The D4 has a wider dispersion than the larger models. The high performance D4 is a true coaxial loudspeaker with a real compression driver concentrically arranged so that the upper frequ... Read More

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Description

D4LP is the D4 coaxial design in a low profile back can for use when clearances above the ceiling are minimal. The D4 has a wider dispersion than the larger models. The high performance D4 is a true coaxial loudspeaker with a real compression driver concentrically arranged so that the upper frequencies emerge through the center of the low-frequency driver’s magnetic structure and cone via a precisely tapered Tru-Phase™ high-frequency waveguide. This special construction provides consistent, wide dispersion up to 16 kHz, all but eliminating high-frequency narrowing. Further pattern improvement is achieved by precisely mounting the low frequency driver (and its concentric HF driver) centered in the baffle, as contrasted to the offset designs used by others.

The D SERIES offers powerful magnetic structures and efficient coils to ensure high output, which results in more headroom per power amplifier. Each D SERIES ceiling model includes everything needed for standard installations, and has a built-in autoformer allowing it to be used in 8-ohm or 70V/100V applications. The D SERIES ceiling loudspeakers are ETL listed and all models have been tested by ETL to comply with UL1480, UL2043 and CSA60065.

AMPLIFIED LOUDSPEAKER CONTROLLERS
Community ALC404D is recommended for this product. Higher power ALC models may be used safely as well.

Features:

  • High intelligibility with exceptional uniform coverage
  • Consistent, wide dispersion up to 16 kHz
  • True coaxial loudspeakers with HF compression drivers
  • Tru-Phase™ high-frequency waveguide
  • Patented Carbon Ring Cone Technology™
  • Spring loaded Drop-Stop™ installation assistant tabs support the back can on the included rails and C-ring to simplify installation
  • Uniquely designed tile bridge support rails and snap-on C-ring support plates prevent sag
  • Twist-Assist™ loudspeaker face retainer tabs for fast and easy installation
  • ¾-inch and 1-inch knock-outs on the sides of the back can
  • External loop-through Euroblock connectors
  • Rear cover with integrated cable clamp (strain relief) and optional conduit knockout
  • Selectable 8 ohm or 70V/100V operation
  • Five year warranty

Applications:

  • Convention centers, exhibit halls
  • Corporate training rooms, ballrooms
  • Athletic venues, sports facilities, health clubs
  • Houses of worship
  • Malls, airports

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Product Specs

Loudspeaker TypeTwo-way, full-range, coaxial ceiling loudspeaker, 8 ohm or 70V/100V operation
Operating Range90 Hz - 18.5 kHz
Frequency Response120 Hz - 16 kHz (±5 dB)
Max Input Ratings (8 ohm)60W continuous, 150W program
22 volts RMS, 49 volts momentary peak
Transformer Taps—70V:
100V:
30W, 15W, 7.5W, 3.75W and low impedance
30W, 15W, 7.5W
Distortion—10% Full Power:
500 Hz
2 kHz
8 kHz
1% Full Power:
500 Hz
2 kHz
8 kHz
2nd Harmonic
0.18%
1.21%
0.38%
2nd Harmonic
0.16%
0.38%
0.22%
3rd Harmonic
0.80%
0.39%
0.13%
3rd Harmonic
0.27%
0.28%
0.16%
Sensitivity (1W/1m)92 dB SPL (160 Hz to 12.5 kHz 1/3 octave bands)
93 dB SPL (250 Hz to 4 kHz speech range)
Maximum Output110 dB SPL / 116 dB SPL (peak 8 ohm)
Nominal Impedance8 ohms
Minimum Impedance7.6 ohms @ 330 Hz
Nominal Coverage130º conical (1 kHz to 6 kHz)
140º conical (500 Hz to 6 kHz)
Axial Q / DI4 / 6, 500 Hz to 6 kHz
Crossover Frequency2 kHz
Recommended Signal Processing90 Hz high pass filter
DriversLF 1 x 4.5-inch
HF 1 x ¾-inch exit compression driver
Driver ProtectionSelf-resetting solid state circuit breaker
Input Connection4-position Euroblock connector
ControlsFront-face wattage / low impedance selector switch
EnclosureCorrosion-resistant zinc plated steel
Mounting/Rigging Provisions3 steel mounting clamps with 2-inch grip range
GrillePowder coated steel with safety line, white finish, paintable
BaffleReflex loaded UL 94V-0 rated ABS
Safety Features3 x safety hang points
Safety Agency RatingsETL listed to comply with UL1480, UL2043 and CSA60065.
Suitable for use in air handling spaces per NFPA 70 and NFPA 90.
Required AccessoriesElectronic high pass filter
Supplied AccessoriesC-Ring supporting plate, tile support bridge rails, grille, paint mask, cut-out template, flat screwdriver
Optional AccessoriesD45-CATR Can Adapter Ring / Trim Ring
D45-NCB New Construction Bracket
D-RAIL48-PR Pair of 48” Channel Rails
Dimensions—Width 9.768 inches (248.1 mm) bezel diameter
Depth3.599 inches (91.4 mm) can depth
Cutout Diameter8.75 inches (222 mm)
Weight6.6 lbs (3 kg)

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