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The QUARTZ-R 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-R 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. The QUARTZ-R includes casters, handles, feet and pole mount adapters for support of upper range speakers. |
QUARTZ-RAPPLICATIONS: Concert PA systems | ||||||||
The QUARTZ-R 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-R 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. The QUARTZ-R includes casters, handles, feet and pole mount adapters for support of upper range speakers. | ||||||||
| 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: 8 - Recessed handles 4 - 3 1/2" Casters 2 - 35 mm Pole mount adapters 16 - Machined aluminum speaker mounting clamps 4 - UHMW polyethylene feet 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: 18 Hz to 65 Hz +/-2 dB (2 pi Steradians, with 8 Hertz Integrator) Sensitivity: 99 dB SPL @ 45 Hz (1W @ 1m) (for additional information, see INFRA Speaker Sensitivity Technical Note) Power Handling: 1600 W continuous program | Finish: Black textured paint Dimensions: 40"h x 30"w x 31"d 102 cm x 76 cm x 79 cm Trapezoidal, 60 degree taper per side Weight: 237 lbs. 108 kg Shipping Dimensions: 45" x 35" x 39" 115 cm x 89 cm x 99 cm Shipping Weight: 289 lbs. 132 kg | ||||||