Assessments - 2, GPA: 5
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Do not use phone splitters that divide the signal more than once per splitter, or splitters designed for multiple uses. • A AAm mmp ppl lli iif ffi iie eer rr c cco oon nnf ffi iig ggu uur rra aat tti iio oon nn - Set up each master/slave amplifier combination as described for the combination type being used. (Refer to the Parallel Synced Gain or the External Synced Bridged section of this guide for amplifier and speaker connection descriptions.) © 2002 Directed Electronics, Inc CROSSOVER SETTINGS AND GAIN ADJUSTMENT Your Directed Audio power amplifier needs to be adjusted carefully to achieve maximum performance. These are some guidelines to follow when fine-tuning the amplifier. • Because this amplifier is only designed for subwoofer applications, the low-pass crossover is active at all times. The crossover point is adjustable to allow more precise system operation. • Try and keep the setting low enough to prevent image smearing (you should not be able to hear male voices from the subwoofer) but not so low as to create a gap between the subwoofer and the mid-bass/midrange speakers. It will be to your advantage to spend some extra time with this adjustment, listening to familiar music or system set-up discs to achieve the kind of musical reproduction that you prefer. • The gain adjustment allows you to set proper signal match for clean, quiet amplifier operation. Start by playing some music you are familiar with. With the gain adjustment on the amplifier in the middle of its rotation, bring up the volume on your head unit to the 3/4 volume setting or until you start to hear distortion or clipping. If you hear distortion before you reach the 3/4 volume setting of your head unit, reduce the gain setting on the amplifier and start to raise the head unit volume again. When you can listen to the music at or slightly above 3/4 on your head unit without audible distortion, slowly raise the gain of the amplifier until distortion is heard, then back off the gain until the distortion is not audible. This setting will allow you to reach full output with all but the quietest of source material, while avoiding excessive noise in the system. • For systems using the Remote Sub Level Adjustment, increase the subwoofer gain on the amplifier by 25% and set the Remote Sub Level knob to the center position after making all system gain and filter adjustments. This will give the Remote Sub Level Control a wider range of adjustment to the subwoofer output. • You should take into consideration the effect that gain adjustment has on system frequency response and staging. Again, plan on spending some time with music that you know getting the gain and crossover settings the way you like. Test discs and analyzers may help with this process, but in the end it's your ears that count --listen to the music! © 2002 Directed Electronics, Inc SPECIFICATIONS Directed model 600d 1100d RMS continuous power driven into 4 ohms from 20 to 250 275 425 watts watts Hz @ 14.4 VDC at rated power/load. 0.4% THD 0.5% RMS continuous power driven into 2 ohms from 20 to 250 400 800 watts watts Hz @ 14.4 VDC at rated power/load. 0.6% THD 0.7% RMS continuous power driven into 1 ohm from 20 to 250 600 1100 watts watts Hz @ 14.4 VDC at rated power/load. 0.8% THD 0.9% Dynamic power rating (IHF-202 Standard) minimum load. 750 1500 watts watts RMS continuous power driven into 4 ohms from 20 to 250 800 1600 watts watts Hz @ 14.4 VDC in synced bridge mode (bridged pair). RMS continuous power driven into 2 ohms from 20 to 250 1200 2200 watts watts Hz @ 14.4 VDC in synced bridge mode (bridged pair). Signal-to-Noise Ratio Greater than 80 dB Frequency Response 20-250 Hz +0, -1 dB Damping Factor 50 (typical) Crossover Low-pass 18 dB/octave, variable from 30 to 250 Hz Subsonic Filter Switchable 30 Hz, 24 dB/octave Bass Equalization Switchable 8 dB, centered at 40Hz Input Impedance 20K ohms Input Sensitivity Variable from 150 mV to 8 volt Output Impedance 1 to 4 ohms Supply Voltage 10 to 16 VDC Fusing and Power 60A 90A Minimum Cable Requirements (AWG) #8 #4 (Per amp, trunk mounted) © 2002 Directed Electronics, Inc Directed Electronics, Inc. Vista, California 92083 The company behind this system is Directed Electronics, Inc. Since its inception, Directed has had one purpose, to provide customers with the finest vehicle security, car stereo products, rear seat entertainment, and accessories available. The recipient of more than 20 patents in the field of advanced electronic technology, Directed is ISO 9001 registered. Directed® is committed to delivering world-class quality products and services that excite and delight our customers. Directed is a proud member of Quality Directed products are sold and serviced throughout North America and around the world Call 800 274 0200 for more information about our products and services © 2002 Directed Electronics, Inc. -All rights reserved -G45014/16 02/02 ...
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