Operating Frequency Range: 60 Hz - 18 kHz 100 Hz - 16 kHz ± 3dB; -6 dB at 77 Hz and 18 kHz 77 Hz - 16 kHz ± 3dB; -6 dB at 66 Hz and 18 kHz ± 35 600 Hz - 16 kHz; + 90 at 250 Hz Maximum SPL5 = 133 dB SPL UPA-2P (-6 dB points) = 45 H; 45 V 12 inch cone driver 3 inch diaphragm compression driver Differential balanced input circuit Female XLR; male XLR-loop 10 kW differential balanced (between pins 2 and 3) Pin 1: chassis; Pin 2: + signal; Pin 3: - signal Common Mode: 425 kHz low-pass; Differential Mode: 142 kHz low-pass > 80 dB (50 Hz - 1 kHz); typically 90 dB Complementary power MOSFET output stages (class AB/bridged) 350 Wrms/channel < .02 % PowerCon locking AC connector 80-264 VAC continuous; 47/63 Hz4 @115 V: 0.25Arms @230V: 0.13Arms @100V: 0.3Arms @115 V: 2.8Arms @230V: 1.4Arms @100V: 3.2Arms @115 V: 3.2Arms @230V: 1.6Arms @100V: 3.7Arms @115 V: 5.0Apk @230V: 2.5Apk @100V: 5.8Apk Inrush current <15A@115V 14.5 inch W x 22.4 inch H x 14.5 inch D Dimensions = 14.5 inch W x 22.4 inch H x 14.5 inch D Weight = 77 lbs (35 kg) Enclosure = 5/8 plywood Finish = Black textured Protective Grill = Hex perforated steel grill, charcoal grey foam Rigging: Four aircraft pan fittings (two on top, two on bottom). Working load is 600 lb (273 kg), based on a 5:1 safety factor.