Bag End Quartz-I 4x18" Subwoofer Speaker, Installation Model

The QUARTZ-I is a very high output concert INFRA™ subwoofer system designed to minimize the space required to obtain extremely high level and high fidelity Extended low frequency output. The QUARTZ-I provides perfectly flat response down to 8 Hertz when used in conjunction with the 8 Hertz Integrator or down to 18 Hertz when used with the INFRA-M Integrator.

Applications

• Concert PA systems
• Auditorium Reinforcement
• Discotheque Subwoofer
• Cinema Subwoofer

Specifications

• Enclosure: 18 mm 13-ply birch plywood
• Low Frequency Transducers: 4 - 18" INFRA cone, 3" Voice coil, 120 oz. Magnet
• Input Connectors: 2 - Connector plates with: Dual Banana and Neutrik Speakon Custom connector configurations available
• Grille: 14 Gauge black powder coated perforated steel in an extruded aluminum frame with weather seal
• Standard Hardware: 16 - Machined aluminum speaker mounting clamps
• Optional Hardware: Rigging points
• System Type: INFRA 4 - Sealed chambers (3 cu. ft.each)
• Impedance: 4 Ohms each input
• Crossover Network: Requires INFRA Integrator
• Recommended Crossover Frequency: 80 Hz
• Frequency Response: 20 Hz to 65 Hz +/-2 dB (2 pi Steradians, with 8 Hertz Integrator)
• Sensitivity: 99 dB SPL @ 45 Hz (1W @ 1m)
• Power Handling: 1600 W continuous program
• Finish: Black textured paint
• Dimensions: 40"h x 30"w x 31"d, Trapezoidal, 60 degree taper per side
• Weight: 224 lbs.
• Shipping Dimensions: 45" x 35" x 39"
• Shipping Weight: 276 lbs.