Polar graphsDirectivity Index / BeamwidthFrequency / Power response, Input impedanceSpecifications*With back can **Without back canInstallationArchitectural specifications:The Ci Series Ci80QR comprises Uni-Q®15mm aluminium dome tweeter with80mm white polypropylene bass/mid unitwith double neo compound magnet system.Performance should meet or exceed thefollowing criteria: frequency response1 metre on-axis with swept sinewave shallbe 130Hz to 27kHz, sensitivity shall be atleast 85dB for 2.83V@1m. The impedanceshall be 4 ohms. The Ci Series Ci80QR isbest suited where high quality music andspeech reinforcement applications requirehi-fi performance such as:· Multi Room systems.· Home Theatre systems.· Lounges, Bars, Boutiques.· Boardrooms & Offices.Frequency range 130Hz - 27kHz* 100Hz - 27kHz**Sensitivity (2.83v @ 1m) 85dBRec. amplifier power 10 - 50WNominal Impedance 4Ω (min. 3.2Ω)Crossover Frequency 3kHzEnclosure material ABSTerminals spring terminals up to Ø2.5mm (0.1”)conductorDimensions (Ø x depth) Ø103 x 138 mm, Ø103 x 30 mm,4.1 x 5.5 in.* 4.1 x 1.2 in.**Net weight 0.7kg (1.54lbs)* 0.6kg (1.32lbs)**500Hz 1kHz2kHz 4kHz8kHz 16kHzPL1611EN145768134223(Wall Install) (Ceiling Install)