JBL Synthesis
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Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the HDI-3800 is the flagship of the JBL HDI Series. This floorstanding loudspeaker features a 2 ½-way design with patented High-Definition Imaging (HDI™) waveguide technology, the patented 2410H-2 1-inch (25mm) compression driver, and triple 8-inch (200mm) Advanced Aluminum Matrix cone woofers for powerful dynamics and incredibly accurate sound reproduction.

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HDI 3800

HDI 3800

JBL’s revolutionary HDI waveguide geometry is the result of intense research into the nuances of waveguide design. In search of exceptional high-frequency detail and uniform directivity for smooth in-room response, JBL engineers pioneered a design that delivers neutral frequency response both on- and off-axis, and provides a seamless transition between the high and low frequency drivers.

The JBL 2410H-2 compression driver benefits from the advanced research and applications derived from JBL Professional’s “D2” range of transducers. At the core of the new 2410H-2 device is a lightweight, polymer, annular diaphragm that improves high-frequency extension by reducing diaphragm mass. The V-shaped geometry of the annular diaphragm reduces breakup modes, eliminating time smear and reducing distortion. The result is incredible dynamics with accurate reproduction and a lack of power compression.

HDI 3800

HDI woofers take advantage of core JBL engineering techniques to ensure very high output with low distortion. The long-throw voice coil in conjunction with the symmetrical field motor design, flux stabilization ring, and copper shorting ring guarantee maximum output with significantly reduced distortion. Advanced Aluminum Matrix cones, provide a lightweight, rigid diaphragm and eliminate breakup modes ensuring proper pistonic motion throughout the operating band.

HDI 3800

The HDI-3800 enclosure is heavily braced to provide a solid acoustic foundation, and incorporates a bass reflex design with dual rear-firing, computer-optimized flared ports. The sophisticated curved cabinet features a modern design finished in a choice of automotive-grade painted High Gloss Black, or furniture-grade satin Walnut or Grey Oak wood veneers. A black cloth, magnetically attached grille completes the elegant appearance.

HDI-3800 Highlights

  • Patented HDI™ (High-Definition Imaging) waveguide technology
  • Patented 2410H-2 high-frequency compression driver
  • 8-inch (200mm) cast frame, Advanced Aluminum Matrix cone woofers with 1.5-inch voice coils
  • Contemporary design with premium finishes including high-gloss Black, satin Gray Oak wood veneer, and satin Walnut wood veneer
Enclosure Type Bass-reflex design with rear-firing port
High Frequency Transducer 1-inch (25mm) Teonex compression driver
Low / Mid Frequency Transducers
Three 6.5-inch (200mm) black Advanced Aluminum Matrix cone, cast frame woofers
Crossover Frequency 900Hz, 2000Hz
Sensitivity (2.83V @ 1M) 90dB
Nominal Impedance 4 Ohm
Recommended Amplifier Power 20W – 250W
Frequency Response 38Hz – 30kHz (-6dB)
Dimensions (H x W x D) 38.84 x 10.04 x 13.46” (986.5 x 255 x 341.9mm)
Net Weight 61.80 lbs (28.03kg)

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