d&b audiotechnik Q Series Manual

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d&b audiotechnik Q Series Manual Manual pdf 6 page image

6 d&b Q-SeriesThe Q1 and Qi1 loudspeakers1 Broadband measurement, pink noise, crest factor 4, peak measurement, linear weighting2 Dispersion angle vs frequency plotted using lines of equal sound pressure (isobars)at –6 dB and –12 dBQ1 and Qi1 loudspeakersThe Q1 and Qi1 are line array loudspeakers for use in verticalcolumns. The Qi1 is the installation version of the Q1 loudspeaker,it differs only in cabinet construction and mounting hardware.The Q1 and Qi1 cabinets are passive 2-way designs that houses2 x 10” LF drivers and a 1.3” HF compression driver with a toroidalwaveshaping device to achieve a 75° horizontal dispersioncharacteristic. The two 10” neodymium LF drivers are positionedin a dipolar arrangement providing an exceptional dispersioncontrol even at lower frequencies, with the 75° nominal dispersionangle being maintained down to 400 Hz.Q1 and Qi1 cabinets can be combined with the respective Q andQi subwoofer systems: in mixed line array setups, as a separatesubwoofer column or in ground stacked applications. For furtherextension of bandwidth and headroom ground stacked J-INFRAsubwoofers can be used.The Q1 and Qi1 cabinets are constructed from marine plywoodand have an impact resistant paint finish. The front of theloudspeaker cabinets are covered with a replaceable acousticallytransparent foam and protected by a rigid metal grill. Four M10threaded inserts on each side panel of the Qi1 cabinet enclosureare provided for attaching installation hardware whilst the Q1cabinet incorporates a pair of handles and has integrated linearray rigging hardware.System dataFrequency response (–5 dB standard) .................. 60 Hz - 17 kHzFrequency response (–5 dB CUT mode) ............. 100 Hz - 17 kHzMax. sound pressure (1 m, free field) 1 ............................................with D6.................................................................................. 135 dBwith D12 ............................................................................... 139 dBInput level (100 dB SPL/1 m) ............................................ –18 dBuLoudspeaker dataNominal impedance ..............................................................8 ohmsPower handling capacity (RMS/peak 10 ms) .........400/1600 WNominal dispersion angle (h) .................................................... 75°Components .....................2 x 10” driver /1.3” compression driver................................................................. passive crossover networkConnections Q1 ......................2 x EP5, 2 x NL4 or 2 x NLT4 F/MConnections Qi1.................................................................. 2 x NL4Pin assignments ..................................................................................EP5 ..............................................................................................1/2NL4 and NLT4 F/M ............................................................... 1+/1–Weight Q1/Qi1 ............................................ 22/21 kg (49/46 lb)125 250 500 2k1k 4k 8k 16k9080706050403020100–10–20–30–40–50–60–70–80–90125 250 500 2k1k 4k 8k 16k9080706050403020100–10–20–30–40–50–60–70–80–90Q1 and Qi1 vertical dispersioncharacteristics 2Q1 and Qi1 horizontal dispersioncharacteristics 2Qi1 cabinet dimensions in mm (inch)154 [6.06"]60 [2.36"]310 [12.20"]308 [12.13"]410 [16.14"]580 [22.83"]204.5 [8.05"]15°Q1 cabinet dimensions in mm (inch)580 [22.83"]308 [12.13"]204.5 [8.05"]410 [16.14"]15˚