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Even though this manual provides general installation and operation instructions for your new Clarion EQS750 Equalizer/Crossover, it does not show the exact installation methods for your particular vehicle. If you do not have the required knowledge and experience to successfully complete the installation, we strongly recommend consulting an authorized Clarion dealer about professional installation options. Due to Clarion’s ongoing research and development, the product specifications and appearances listed in this manual are subject to change without prior notice. 2 Table Of Contents Introduction...............................................................3 Description Of Front Panel Controls............................4 Description Of Rear Panel Connections/Controls ........5 Applications..............................................................7 Installation And Operation Precautions......................8 Installation and Wiring..............................................9 System Setup..........................................................70 Troubleshooting......................................................11 Specifications..........................................................11 Introduction The Clarion EQS750 is a 7-band stereo equalizer/crossover specifically created for the mobile environment. Although it’s housed in a one-half DIN enclosure, the EQS750 still provides a number of powerful features in its compact size, including: • Seven equalization bands (at 30,120,250, and 500 Hz, and 1,5, and 12 kHz), adjustable from -12 to 12 dB (-15 to 15 dB for subwoofer frequencies) • Pop-out, edge back-lit, rotary EQ controls for convenient yet precise adjustments • High-pass and low-pass crossover filters with variable frequency controls from 30 to 200 Hz (set at 12 dB/octave slope for high-pass and 18 dB/octave slope for low-pass) • Three stereo RCA outputs to drive front, rear, and subwoofer audio systems • Auxiliary stereo RCA inputs with an adjustable 0 dB to +20 dB gain control to match the main input levels • Speaker-level stereo inputs to upgrade OEM source units OWNER'S MANUAL/INSTALLATION GUIDE • Separate controls for master volume, subwoofer volume, front/rear fader, and selection of main or auxiliary inputs • Stereo/mono subwoofer control to feed stereo or electronically-summed mono signals to the subwoofer system • Extended frequency response from 20 Hz to 30 kHz with exceptional 100 dB signal-to-noise performance • Gold-plated RCA connectors to ensure best signal transfer • ISO mounting holes and removable nose gasket About The Manual And Warranty To start enjoying your new Clarion EQS750, please read all remaining instructions listed in this manual. Keep all instructions for future reference. This product is covered by a limited warranty (see the enclosed warranty card). Save the sales receipt to protect your purchase and aid in warranty service. 3 Clarion EQS750 EQUALIZER/CROSSOVER Description Of Front Panel Controls Figure 1. The EQS750 front panel controls. © VOLUME/FADER Controls To adjust master volume, rotate the inside control. To adjust subwoofer volume, rotate the outside control. To set fader position, pull and rotate the inside control and then push to release. © INPUT Button Press the button to select MAIN or AUXILIARY inputs. A red LED confirms a MAIN selection, while green confirms AUXILIARY is the choice. (D EQUALIZER Controls To adjust gain, push an equalizer control so it pops-out. Then rotate the control to a desired setting and press it in to help prevent unwanted changes during adjustment of other equalizer controls. 4 OWNER'S MANUAL/INSTALLATION GUIDE Description Of Rem Panel Connections/Controls Figure 2. The EQS750 rear panel connections and controls. NOTE: © MAIN IN L/R (2 -RCA Jacks) Use an RCA stereo audio cable (not supplied) to connect from source unit’s RCA outputs (200 mV to 4 V max.). © AUX IN L/R (2 -RCA Jacks) Use an RCA stereo audio cable (not supplied) to connect from source unit’s speaker outputs (500 mV to 5 V max.). © AUX IN LEVEL Control Rotate control to match gain to AUX IN level (from VCP, portable CD player, etc.) to MAIN IN level. For clarity, the RCA ouput pigtail is not shown (refer to next page/. ® LP FILTER/HP FILTER Controls Rotate desired control(s) to set crossover frequencies according to speaker manufacturer’s recommended values. © SUBWOOFER OUTPUT Switch Slide switch to MONO or STEREO for subwoofer mode. © FILTER Switch Slide to ON (OFF) to activate (deactivate) LP/HP Filter. Continued on the next page... 5 Clarion EQ5750 EQUALIZER/CROSSOVER Description Of Rear Panel Connections (Cont'd) 00ИН HHS0 SPEAKER/POWER Figure 3. The EQS750 rear panel connections. ® FRONT/REAR OUT L/R (4 -RCA Jacks On Pigtail) Maximum output level is 6 V^. Use an RCA stereo audio cable (not supplied) to connect these outputs to stereo inputs on front and rear amplifiers. ® SUBWOOFER OU...