[. . . ] [. . . ] The CONCOURSE R8 includes a pair of clamp mountings for weight distribution on ceiling finishes. TRANSDUCERS: LF Driver: 8" Cone HF Driver: 1" Dome tweeter Crossover Frequency:1. 2kHz & 5. 2kHz PHYSICAL: Type: Two way passive ported design Material: Plastic ABS Connector: Terminal strip Dimensions (HxWxD): 444mm x 284mm x110mm Nett Weight: 4. 8kg Concourse R8 version3 19/3/04 10:49 am Page 2 CONCOURSE R8 STANDARD ACCESSORIES: Color: White with color matched grill cloth Clamp: A pair of clamp brackets are included with the loudspeaker to facilitate mounting on ceiling finishes. ARCHITECTURAL & ENGINEERING SPECIFICATIONS: The loudspeaker shall consist of a two way system with a 8" low frequency driver, 1" dome tweeter and internal crossover installed in a ported plastic grill with a clamp mounting and terminal strip connection. The loudspeaker shall have a color matched grill cloth to hide the transducers and switches. The loudspeaker shall have the following performance specifications: Power, 100 watts continuous Sensitivity, 90 dB (1 watt, 1 meter, Hz-kHz). Usable frequency response from 35Hz to 20kHz (-10 dB); Coverage pattern of (nominal) 130*100 284. 00 444. 00 460. 00 A 160. 00 183. 00 A 460. 00 404. 00 3. 00 TYP3 105. 00 110. 00 SECT ION A A- Product Dimensions 444. 00 90 284. 00 55. 00 Concourse R8 version3 19/3/04 10:49 am Page 3 Frequency Response and Input Impedance 110 100 CONCOURSE R8 90 80 60 40 20 0 100 1000 10000 20000 100 70 60 10 20 Directivity Index, Q Directivity Index (DI), dB 10 10 0 100 1000 0 10000 Horizontal Off Axis Frequency Response 100. 0 dBSPL ATTENUATION (dB) Directivity Factor (Q) 0deg 10deg 20deg 30deg 40deg 0deg 10deg 20deg 30deg 40deg 0deg 10deg 20deg 30deg 40deg 90. 0 80. 0 70. 0 60. 0 20 100 1k Frequency(Hz) 10k 20k Vertical Off Axis Frequency Response(down) 100. 0 dBSPL ATTENUATION (dB) 90. 0 80. 0 70. 0 60. 0 20 100 1k Frequency(Hz) 10k 20k Vertical Off Axis Frequency Response(up) 100. 0 dBSPL ATTENUATION (dB) 90. 0 80. 0 70. 0 60. 0 20 100 1k Frequency(Hz) 10k 20k Impedance(ohms) 100 80 SPL, 1W/1M(dB) Concourse R8 version3 19/3/04 10:49 am Page 4 CONCOURSE R8 500Hz 330 -10 1000Hz 0 30 330 -10 0 30 -20 -20 300 -30 60 300 -30 60 -40 -40 -50 -50 270 Clio 90 270 Clio 90 240 120 240 120 210 180 150 210 180 150 2000Hz 0 330 -10 4000Hz 0 30 330 -10 30 -20 -20 300 -30 60 300 -30 60 -40 -40 -50 -50 270 Clio 90 270 Clio 90 240 120 240 120 210 180 150 210 180 150 8000Hz 330 0 30 -10 -20 300 -30 60 -40 -50 270 Clio Clio 90 240 120 210 180 150 IAG House, Sovereign Court, Ermine Business Park, Huntingdon. [. . . ] [. . . ]