User manual ALTEC LANSING 1902A SIGNAL PROCESSING

[. . . ] The moisture resistant 8 inch / 200 mm speaker features a corrosion-resistant speaker frame. To aid in the dispersion of higher frequencies, the loudspeaker employs an acoustically isolated free-edge HF cone. [. . . ] To aid in the dispersion of higher frequencies, the loudspeaker employs an acoustically isolated free-edge HF cone. The 4 watt 25 V / 70 V transformer has a low <1 . 0 dB insertion loss. Our international versions feature a < 0. 6 dB insertion loss 4 W 70 V/100 V transformer. For convenience, the WG version features a factory-installed corrosion-resistant grille. CF108-4T CF108-4TWG CF108-4T-71 CF108-4TWG-71 SPECIFICATION Frequency Response 82 ­ 17, 000 Hz +/- 5dB Low frequency limit (-10 dB) 65 Hz Power Handling 8 W EIA, 32 W peak Sensitivity (SPL - 1 W 1 m) 98 dB Maximum Output (Maximum SPL) 113 dB Magnet Weight 0. 63 lb (0. 29 kg) Impedance Nominal - 8 Ohms Minimal - 8. 7 Ohms Dimensions CF108-4T/CF108-4T-71 Height: 3. 31 in (87. 5 mm) Diameter: 8. 07 in (205 mm) CF108-4TWG/CF108-4TWG-71 Height: 3. 39 in (88. 5 mm) Diameter: 12. 87 in (327 mm) Net Weight CF108-4T 3 lbs 8 oz (1. 6 kg) CF108-4TWG 4 lbs 12 oz (2. 2 kg) CF108-4T-71 3 lbs 12 oz (1. 7 kg) CF108-4TWG-71 5 lbs (2. 3 kg) SHIPPING Weight: CF108-4T 3 lbs 15 oz (1. 8 kg) CF108-4TWG 5 lbs 15 oz (2. 7 kg) CF108-4T-71 4 lbs 5 oz (2. 0 kg) CF108-4TWG-71 6 lbs 5 oz (2. 9 kg) Transformer: CF108-4T/CF108-4TWG 4 Watt 25 V/70 V with taps @ 4 W, 2 W, 1 W and 0. 5 W CF108-4T-71/CF108-4TWG-71 4 Watt 70 V/100 V with taps @ 4 W, 2 W, 1 W and 0. 5 W 1000 W. Wilshire Blvd. , Suite 362 · Oklahoma City, Oklahoma 73116 · Phone: 1-405-848-3108 · Fax: 1-405-848-3217 · www. altecpro. com ARCHITECTS & ENGINEERS SPECIFICATION The loudspeaker shall be an Altec Lansing Professional CF108-4T / CF108-4TWG with an 8 inch (200 mm) full-range speaker with acoustically isolated free-edge HF cone and corrosion-resistant frame. Appropriate connectors with suitable ratings must be used to make all installation connections. All unused taps must be insulated with suitable insulation. Transformers and speaker combinations must be supplied by a suitable amplifier incorporating ungrounded outputs only and reinforced insulation (as per IEC60065) from output to mains. ACCESSORIES Altec Lansing recommends use of our 8 inch (200 mm) round and square metal enclosures, grilles and tile bridge. The CF108 Series will also fit on standard industry ceiling speaker hardware. Frequency Response (1 W 1 m on-axis) Beamwidth Impedance Q & Directivity Index MOUNTING DIMENSIONS A CF108-4T/ CF108-4T71 8. 07 in (205 mm) B 3. 31 in (84 mm) CF108-4TWG/ CF108-4T71WG 12. 87 in (327 mm) 3. 39 in (86 mm) A B One Octave Polar Response Charts 6 dB/Division 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice. TRANSFORMER CHART CF108 Utility 4 W Transformer (T404-27) Primary Taps 4. 0 W 2. 0 W 1. 0 W 0. 5 W Utility 8 W Transformer (T408-27) Primary Taps 8. 0 W 4. 0 W 2. 0 W 1. 0 W 25 V Primary Tap Color Code Brown Red Orange Yellow 70 V Primary Tap Color Code Yellow Green Blue Violet Black 100 V Primary Tap Color Code Green Blue Violet N/A Primary Common WIRING DIAGRAM (CF108-4T/CF108-4TWG) VIOLET BLUE GREEN YELLOW ORANGE RED BROWN COMMON COMMON GRAY LEAD + WHITE LEAD 8 - TRANSFORMER CHART CF108-71 Premium 8 W(T508-71) / 4 W (T504-71) Transformer Primary Tap Color Code Black Brown Red Orange Yellow 70 V Primary Tap 4 W(T504-71) Common 4. 0 W 2. 0 W 1. 0 W 0. 5 W 100 V Primary Tap 4 W(T504-71) Common N/A 4. 0 W 2. 0 W 1. 0 W WIRING DIAGRAM (CF108-4T 71/CF108-4TWG-71) YELLOW 1. 0 dB ORANGE RED BROWN COMMON COMMON 0. 5 dB + 8 BLACK/WHITE BLACK LEAD - PROFE S S IONA l © 2002 Altec Lansing Professional 1000 W. [. . . ] Transformers and speaker combinations must be supplied by a suitable amplifier incorporating ungrounded outputs only and reinforced insulation (as per IEC60065) from output to mains. ACCESSORIES Altec Lansing recommends use of our 8 inch (200 mm) round and square metal enclosures, grilles and tile bridge. [. . . ]