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. SPECIFICATIONS:
SYSTEM COMPONENTS ACOUSTIC AND ELECTRICALPHYSICALEnclosure:
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 pointsSystem 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)