User manual ALTEC LANSING 307 CEILING SPEAKERS

[. . . ] 20Hz ­ 20kHz HUM & NOISE (20Hz ­ 20kHz noise bandwidth) <-127dBu equivalent input hum and noise <-98dBu residual output noise; all level controls at min. <-74dBu main outputs; Master / all Channel levels at nom MAXIMUM VOLTAGE GAIN: +84dB . [. . . ] -21 to +6 VU PEAK INDICATORS Peak clip indicator on each input channel and main outputs; Illuminates 3dB below clipping MAXIMUM LEVELS Input Level, +20dB gain, pad in . +23dBu PHANTOM POWER +48VDC applied to all mic inputs, switchable on rear panel. Maximum total current draw = 60ma Maximum single channel current draw = 10ma Gradual power-up and down to eliminate "pops" DIMENSIONS 19"W x 3. 5"H x 6. 6"D (48. 3cm x 8. 9cm x 16. 8cm) WEIGHT 12lbs (5. 4kg) . net weight POWER REQUIREMENTS 120VAC nominal, 93 VAC min, 50 ­ 60 Hz, 20 watts (240 VAC available) * unless otherwise stated, specification conditions are: 150 ohm source, Gain switch set at "+40", all other controls set at nominal. (0VU = +4dBu) FEATURES ­ THE ALTEC LANSING DIFFERENCE · · · · · · 6 Mic/Line Inputs Stereo Summing on Inputs 5 & 6 Studio Quality Microphone Preamps Bass & Treble Controls on each Input Dual Outputs (selectable) 19" Rack Mount, 2RU GENERAL PRODUCT DESCRIPTION Altec Lansing's 1662A mic/line mixer is a professional, studio quality solution for your permanent install mixing needs. The 1662A features six (6) microphone or line inputs with 20dB pad, TRS insert, and +48V phantom power. These controls shall consist of high and low shelving points fixed at 90Hz and 8kHz with 12dB of boost or cut. On the back panel each input channel shall have a 20dB pad, an in/out insert point on a ¼" TRS connector, and a Euroblock connector for balanced microphone and line inputs. +48VDC phantom power for each input must be available (back panel switch). Each of the two outputs shall have a level control on the front panel and a Euroblock connector on the back. The mixer unit shall be no higher than two rack spaces and must be fully covered with a five year warranty. The dimensions shall be 19 inches (48. 3cm) wide by 3. 5 inches (8. 9cm) high by 6. 6 inches (16. 8cm) deep. [. . . ] The dimensions shall be 19 inches (48. 3cm) wide by 3. 5 inches (8. 9cm) high by 6. 6 inches (16. 8cm) deep. The mixer shall be the Altec Lansing Professional model 1662A. Mic Mic RCA 1/4" Custom Panel Gymnasium 1662A Mixer 1 2 3 4 4200A DS912-8A As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice. VISIT WWW. ALTECPRO. COM FOR · · Specification sheets in . pdf format. [. . . ]