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Manafacture: Orion Car Audio File size: 491.83 kb File name: Language of manual:

3. Copy/Gain/Master Switch -determines the configuration of the RCA outputs. 4. RCA Inputs -accepts RCA input from a source unit, preamplifier, or equalizer. 5. RCA Outputs -provides easy connection to additional amplifiers. 6. Low-Pass Crossover Switch - activates low pass crossover. 7. Low-Pass Frequency Control -adjusts the frequency of the low-pass crossover. 8. High-Pass Crossover Switch -activates high pass crossover. 9. High-Pass Frequency Control -adjusts the frequency of the high-pass crossover. 10. INTELLi Q Control -continuously adjusts the "Q" boost of the high-pass crossover from 0 to 10dB of boost. 11. Phase Control Switch - Allows for adjustment of phase and makes bridging amplifiers possible. ©2003 Directed Electronics, Inc. 12. Speaker Connections -accepts up to 12-gauge speaker wire. 13. Remote Gain Jack -connects optional RGC-1 (remote gain control). 14. 1 MAXI Fuse (600D) -protects the amplifier from over current situations. 15 3 ATC Fuses (1200D) - protects the amplifier from over current situations. 16. Power Connections -accepts up to 4 AWG power and ground cables. 17. Additional Power Connectors (2500D) -accepts secondary power and ground cables. 18. REM Remote Turn-on Input - turns on the amplifier when fed 12 V+. ©2003 Directed Electronics, Inc. AMPLIFIER SETTINGS Signal Input and Output Configurations The input section of the amplifier consists of a phase switch that sets the output configuration, gain controls, and RCA inputs. The input section makes it easy to adapt this amplifier to most system configurations. Input Gain The Orion 600D, 1200D, and 2500D amplifiers have level adjustments to allow for easy integration with any source unit. The input sensitivity can be adjusted from 200mV to 5V. Refer to Testing the System and Adjusting the Sound of the System sections of this guide for detailed instructions on setting the gain. Phase Switches . 0° -leaves output unaffected. The output signal is in phase with the input signal. . 180° -inverts the output. The channel is 180° output of phase. This configuration is useful for inverting the phase of subwoofers to improve staging in a vehicle. This is also used when bridging two amplifiers into one speaker (600D and 1200D only). Auxiliary Output Configurations The auxiliary outputs on Orion amplifiers offer easy, unlimited system expansion. Routing signal from a source unit, pre-amplifier, or equalizer is a matter of connecting RCA's to the RCA Inputs and the RCA outputs to the next Orion amplifier in the signal chain. When the switch is in the COPY position, the RCA output is an identical copy of the input signal. The signal passes through a buffer stage so that several amplifiers can be daisy chained without signal loss or overloading of the source unit. This maximizes the signal output and minimizes the potential for system noise. When the switch is in the GAIN position, the RCA outputs are buffered through the gain stage of the amplifier. When the first amplifier in the signal chain is set this way, a remote gain controller (RGC-1) can be connected to the amplifier and act as a PRE-AMP controlling the overall level of the system. Following amplifiers are configured in the COPY mode with their gains set to zero as the GAIN amp is now controlling the gain level for all subsequent amps. This eliminates the need to gain match multiple amplifiers. When the switch is in the MASTER position, the RCA outputs are buffered through the gain stage of the amplifier and filtered through the crossover sections of the amplifier. When set this way, the amplifier's gain and crossover settings are sent to other amplifiers down the signal chain. This can be useful for configuring multiple subwoofer amplifiers easily in a large SPL system. All subsequent amplifiers after the master amp will be in the COPY position and have their gains set to zero and all crossovers turned off. The master amplifier will control all the functions of the slave amps via the MASTER RCA output signal. Internal Crossover Configurations The crossover section of the Orion 600D, 1200D, and 2500D amplifiers is continuously variable and extremely flexible. There are different crossover configurations possible allowing high-pass, low-pass, and band-pass configurations. The high-pass crossover incorporates the INTELLi Q feature. This circuit is designed to optimize the performance of Orion subwoofers in all types of enclosures. ©2003 Directed Electronics, Inc. When using Orion loudspeakers, minor deviations from the recommended frequency ranges can provide superior results depending on your speaker locations and your vehicle acoustics. Setting crossover frequencies higher than recommended will not cause damage and may provide superior sonic results depending on your system's performance goals. Refer to your loudspeaker owner's manual for assistance in choosing the proper crossover frequencies for your system. WARNING! DO NOT set crossover frequencies lower than the speakers recommen...

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