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CONGRATULATIONS! Darlington Power Array - “overbuilding” of You now own the REFERENCE Amplifier, the product of an output section incorporates multiple instead of a few uncompromising design and engineering philosophy. Your for faster, stronger power delivery. The transistors sandwiched REFERENCE amplifier will outperform any other amplifier in the world. between the circuit board and in a design called to ensure cool. efficient amplifier operation. To madmize the of your system, we re
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l l I d Kev to Caiiouts 0 0 0 Fault LED - Indicates a blown fuse. 1. 0000 2. High Power LED - Indicates amplifier power on in “High Power’ mode. i 123 3. High Current LED - Indicates amplifier power on in “High Current” mode. 4. - Connect to a fuse or circuit breaker, then to the batfery’s positive post. 5. GND - Main ground connection. to a clean chassis ground in the vehicle. I 6. REM - Remote turn-on input from the head unit. Accepts 7. Speaker Output Connections - Left and right channels
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l o0.e l REFERENCE POWER SUPPLY DESIGN 6 dB/OCTA VE PASSIVE CROSSOVER CHART The REFERENCE amplifiers employ an extremely efficient unregulated pulse- width modulated oower SUDDIV. REFERENCE amolifiers from Soundstream are rated at 12 ;olts but &e’designed to take advantage of the additional voltage available when the vehicle is running. The two major advantages of the unregulated power supply are: l awesome dynamic power capabilities l added continuous power with higher voltages (see chart belo
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l CROSSOVER ADJUSTMENTS 12 dB/OCTAVE In car audio installations, there is a tendency for a boom.” Because of their interior dimensions, most will resonate or ring at these PASSIVE CROSSOVER CHART frequencies. If we design the system so there is less musical information in this region, the fin?. response is smooth and natural sounding. The incorporates electronic crossover. The high and low pass portions of the crossover can be set independent of one another. of S.I.P. values which 12 dB/
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COHERENTSTEREOTM/ SETTING THE MIXED-MONO /BRIDGED MONO HIGH PO WERlHiGH CURRENTS WlTCH The REFERENCE amplifiers have the ability to operate in any one of the The High Power/High Current switch allows the REFERENCE amplifier to be following modes: one of two types of amps: either producing maximum power at higher impedances (perfect for satellites) at lower impedances (usually with Coherent StereorM with identical lalt and right stereo channels for I subwoofers). The circuit operates by selecti
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l oaoo REMOTE NRN-ON WIRING Connect the “Remote” to the turn-on lead the source unit When POWER AND GROUND is received, the amplifier will turn on. To ensure maximum output from your REFERENCE amplifier, use high quality, SIGNAL CABLE low-loss power and ground cables. The REFERENCE amplifiers will accept up Use a high-quality cable that has minimal signal loss to 4 gauge or 8 gauge power and ground cables. Determine from the chart to guarantee optimum Soundstream’s DL.l and are ideal. below
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l I I INSTALLATION AND MOUNTING LEVEL SETTING 1. AMPLIFIER LOCATION The input levels are adjusted by means of the input level controls located on the The REFERENCE amplifiers employ highly efficient circuitry and a unique front of amplifier. This is a unique dual-stage circuit that adjusts both level design to maintain lower operating temperatures. Additional and gain. This topology maintains better Signal to Noise ratios even when cooling may be required if the amplifier is located in a tight
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l l AIRBASS TM ACCESSORY OPT/ON SPEClFlCATlONS Soundstream’s new A/FiBASSY feature can be added to the REFERENCE300sx amplifier. This feature allows wireless RF remote control level adjustment of the amplifier, while the low pass filler on the amplifier’s internal crossover is engaged. NOTE: The AKBASS” accessory is intended lo be used only wh#e the REFERENCE3OOsx amplifier is driving subwoofers. When the AIRBASS’ High Power 50x2 100x2 150x2 accessory is added to a REFERENCE300sx ampkfier, it
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