Gravity 7 Band Graphic Equalizer GR-EQ9

1. Einleitung

Thank you for choosing the Gravity 7 Band Graphic Equalizer GR-EQ9. This equalizer is designed to provide precise control over your car audio system, allowing you to fine-tune sound frequencies for an enhanced listening experience. Please read this manual thoroughly before installation and operation to ensure proper use and optimal performance.

2. Sicherheitshinweise

• Always disconnect the vehicle's battery before beginning any installation.
• Stellen Sie sicher, dass alle Leitungen ordnungsgemäß isoliert sind, um Kurzschlüsse zu vermeiden.
• Mount the equalizer securely to avoid movement during vehicle operation.
• Do not operate the unit in wet conditions or expose it to excessive moisture.
• Wenn Sie sich bei irgendeinem Teil des Installationsprozesses unsicher sind, wenden Sie sich an einen professionellen Car-Audio-Einbauer.

3. Packungsinhalt

Verify that all items are present in your GR-EQ9 package:

• Gravity 7 Band Graphic Equalizer GR-EQ9 Unit
• Montagehalterungen
• Befestigungsschrauben
• Power/Ground/Remote Wiring Harness
• Bedienungsanleitung

Image: Included mounting brackets, screws, and wiring harness for the GR-EQ9.

4. Produktüberschreitungview

4.1. Bedienelemente auf der Vorderseite

Bild: Oben view of the GR-EQ9 front panel with all controls.

• UNTEREBENE: Regelt den Ausgangspegel des Subwoofers.
• VOLUMEN: Hauptlautstärkeregler für das gesamte System.
• SUB FREQ: Adjusts the low-pass crossover frequency for the subwoofer output (60Hz to 90Hz).
• FADER: Balances the audio output between front and rear speakers.
• AUX/CD Selector: Switches between Main (CD) and Auxiliary (AUX) input sources.
• 7-Band Equalizer Knobs: Individual controls for 50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, and 16KHz frequencies. Each band can be boosted or cut by -12dB to +12dB.
• HIGH LEVEL / MAIN LEVEL: Input level adjustment for high-level or main RCA inputs to prevent distortion.

4.2. Anschlüsse auf der Rückseite

Image: Close-up of the GR-EQ9 rear panel connections.

• MAIN IN (L/R): RCA inputs for the primary audio source (e.g., head unit).
• AUX-Eingang (L/R): RCA inputs for an auxiliary audio source.
• FRONT OUT (L/R): RCA outputs for front speakers.
• REAR OUT (L/R): RCA outputs for rear speakers.
• SUB OUT (L/R): RCA outputs for subwoofer amplifier. This output features a 10V line driver.
• Power Terminals (+12V, REM, GND): Connections for power, remote turn-on, and ground.

5. Einrichtung

5.1. Installation

The GR-EQ9 is designed for flexible installation in various vehicle locations. Consider a location that allows for easy access to controls and proper ventilation.

Image: Mounting diagram for the GR-EQ9.

1. Choose a suitable mounting location (e.g., under the dashboard, in the center console).
2. Use the provided mounting brackets as a template to mark screw holes.
3. Drill pilot holes and secure the brackets using the supplied screws.
4. Attach the GR-EQ9 unit to the mounted brackets.

5.2. Verkabelung

Proper wiring is crucial for optimal performance and safety. Ensure all connections are secure and correctly polarized.

1. Stromanschluss (+12V): Connect the +12V wire from the equalizer to a constant +12V power source from the vehicle's battery. Use an inline fuse (not supplied) for protection. The unit operates between 9V and 16V.
2. Masseanschluss (GND): Connect the GND wire to a clean, unpainted metal surface on the vehicle chassis.
3. Ferneinschaltung (REM): Connect the REM wire to the remote output of your head unit. This will turn the equalizer on and off with your car's audio system.
4. Cinch-Eingänge: Connect the RCA output from your head unit to the HAUPTEINGANG (L/R) inputs on the GR-EQ9. If using an auxiliary device, connect its RCA output to the AUX IN (L/R) inputs.
5. RCA-Ausgänge: Verbinden Sie FRONT AUS (L/R), HINTEN AUS (L/R), and SUB AUS (L/R) from the GR-EQ9 to the corresponding inputs on your amplifizierer.

6. Bedienungsanleitung

Once installed, the GR-EQ9 allows for precise audio customization.

1. Einschalten: The unit will power on automatically when the remote turn-on signal is received from your head unit.
2. Eingangsauswahl: Verwenden Sie die AUX/CD Selector button to switch between your main audio source (CD) and the auxiliary input (AUX).
3. Lautstärkeregelung: Passen Sie die VOLUMEN knob to set the overall listening level.
4. Subwoofer-Steuerung:
   • Verwenden Sie die UNTEREBENE knob to control the output volume of your subwoofer.
   • Passen Sie die SUB FREQ knob to set the low-pass crossover point for the subwoofer, typically between 60Hz and 90Hz, to blend with your main speakers.
5. Equalizer-Anpassungen: Use the seven individual frequency knobs (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 16KHz) to boost or cut specific frequency ranges. Adjust these to tailor the sound to your preference and vehicle acoustics. Each band offers a range of -12dB to +12dB.
6. Fader-Steuerung: Der FADER knob allows you to adjust the balance of sound between your front and rear speakers.
7. Eingangspegelanpassung: Verwenden Sie die HIGH LEVEL / MAIN LEVEL switch and corresponding knobs to match the input signal level from your head unit, preventing distortion.

7. Wartung

• Halten Sie das Gerät sauber, indem Sie es mit einem weichen, trockenen Tuch abwischen.
• Vermeiden Sie die Verwendung aggressiver Chemikalien oder Scheuermittel.
• Stellen Sie sicher, dass alle Verbindungen sicher und korrosionsfrei bleiben.

8. Fehlerbehebung

9. Spezifikationen

• Modell: GR-EQ9
• Produktabmessungen: 1.8 x 9 x 7.7 Zoll
• Artikelgewicht: 1.6 Pfund
• Equalizer Bands: 7 (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 16KHz)
• Boost/Cut: -12 dB to +12 dB per band
• Übergangsfrequenz des Subwoofers: Adjustable (60Hz-90Hz)
• Line Driver Output: 10V (Subwoofer Output)
• Stromversorgung: 9V-16V DC
• Besondere Merkmale: EPICENTER, Fully Adjustable EQ Bands, Line Driver, RCA Output, Subwoofer Control

10. Gewährleistung

This Gravity product is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included with your purchase or contact customer support for specific terms and conditions. Keep your proof of purchase for warranty claims.

11. Unterstützung

For technical assistance, troubleshooting, or warranty inquiries, please contact Gravity customer support. Contact details can typically be found on the product packaging or the official Gravity webWebsite.