Enclosure for recessed installation is acoustically engineered for professional applications where the highest quality sound reproduction and fidelity must be attained. The acoustically treated large volume design allows a 4 in. driver to operate at optimum loading level and to achieve improved low frequency response with rich, full bass.
• Material: Welded 22-gauge steel
• Finish: Black
• Diameter: 10.00 in.
• Depth: 6.75 in.
• Volume: 0.307 cu.ft.
• Acoustical Treatment: Undercoated, 1.5 in. batting
• Mounting & Installation Aids: Knockouts, straps
• Flange Type: Extended lip
• For Grille Type: Torsion
CERTIFICATION & COMPLIANCE
• UL Listed only when used with Lowell assembly WB4T-4A30-T870
• Made in the U.S.A.
• Certified U.S. steel
The recessed backbox for use with a 4 in. speaker shall be acoustically treated Lowell Model No. DX104-T. Backbox shall be fabricated of welded 22-gauge steel undercoated to eliminate acoustic/metallic resonance. It shall be lined with 1.5 in. thick batting with a density rating of 1.5 lbs. to neutralize undesirable resonance in the high frequency range. It shall have four combination 1/2–3/4 in. knockouts on sides and two flexible mounting straps at 180-degree intervals. The enclosure shall include receptacles to mount a torsion grille