Gravity GR-EQ9

Gravity 7 Band Graphic Equalizer GR-EQ9

Brukerhåndbok

1. Introduksjon

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. Sikkerhetsinformasjon

  • Koble alltid fra kjøretøyets batteri før du starter noen form for installasjon.
  • Sørg for at alle ledninger er skikkelig isolert for å unngå kortslutning.
  • Mount the equalizer securely to avoid movement during vehicle operation.
  • Do not operate the unit in wet conditions or expose it to excessive moisture.
  • Rådfør deg med en profesjonell installatør av bilstereo hvis du er usikker på noen del av installasjonsprosessen.

3. Pakkens innhold

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

  • Gravity 7 Band Graphic Equalizer GR-EQ9 Unit
  • Monteringsbraketter
  • Monteringsskruer
  • Power/Ground/Remote Wiring Harness
  • Brukerhåndbok
Gravity GR-EQ9 mounting accessories including brackets, screws, and wiring harness.

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

4. Produktet er overview

4.1. Kontroller på frontpanelet

Front panel of the Gravity GR-EQ9 showing all rotary knobs and input selector.

Bilde: Topp view of the GR-EQ9 front panel with all controls.

  • UNDERNIVÅ: Adjusts the output level of the subwoofer.
  • VOLUM: Mastervolumkontroll for hele systemet.
  • SUBFREKVENS: 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. Tilkoblinger på bakpanelet

Rear panel of the Gravity GR-EQ9 showing RCA inputs and outputs, and power terminals.

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 IN (V/H): 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. Oppsett

5.1. Installasjon

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.

Diagram showing how to mount the Gravity GR-EQ9 using brackets and screws.

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. Kabling

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

  1. Strømtilkobling (+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. Jordforbindelse (GND): Connect the GND wire to a clean, unpainted metal surface on the vehicle chassis.
  3. Fjernstyrt påslåing (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. RCA-innganger: Connect the RCA output from your head unit to the HOVED INN (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-utganger: Koble til FRONT UT (L/R), BAK UT (L/R), and SUB UT (L/R) from the GR-EQ9 to the corresponding inputs on your amplivsstil.

6. Bruksanvisning

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

  1. Strøm på: The unit will power on automatically when the remote turn-on signal is received from your head unit.
  2. Inndatavalg: Bruk AUX/CD Selector button to switch between your main audio source (CD) and the auxiliary input (AUX).
  3. Volumkontroll: Juster VOLUM knob to set the overall listening level.
  4. Subwooferkontroll:
    • Bruk UNDERNIVÅ knob to control the output volume of your subwoofer.
    • Juster SUBFREKVENS knob to set the low-pass crossover point for the subwoofer, typically between 60Hz and 90Hz, to blend with your main speakers.
  5. Equalizer-justeringer: 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. Faderkontroll: De FADER knob allows you to adjust the balance of sound between your front and rear speakers.
  7. Justering av inngangsnivå: Bruk HIGH LEVEL / MAIN LEVEL switch and corresponding knobs to match the input signal level from your head unit, preventing distortion.

7. Vedlikehold

  • Hold enheten ren ved å tørke av den med en myk, tørr klut.
  • Unngå bruk av sterke kjemikalier eller skurende rengjøringsmidler.
  • Sørg for at alle tilkoblinger forblir sikre og fri for korrosjon.

8. Feilsøking

ProblemMulig årsakLøsning
Ingen strømBlown fuse; incorrect wiring; no remote signal.Check and replace fuse; verify +12V, GND, and REM connections.
Ingen lydIncorrect RCA connections; amplifier not powered; input source issue.Verify all RCA cables are connected correctly; ensure amplifiers are on; check head unit output.
Forvrengt lydInput level too high; equalizer settings too extreme; poor grounding.Adjust input level using HIGH LEVEL/MAIN LEVEL controls; reduce EQ boost; check ground connection.
Noise/HissPoor grounding; RCA cables too close to power wires; gain settings too high.Ensure proper grounding; reroute RCA cables away from power wires; adjust ampinnstillinger for forsterkning.

9. Spesifikasjoner

  • Modell: GR-EQ9
  • Produktdimensjoner: 1.8 x 9 x 7.7 tommer
  • Varevekt: 1.6 pund
  • Equalizer Bands: 7 (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 16KHz)
  • Boost/Cut: -12 dB to +12 dB per band
  • Subwoofer Crossover Frequency: Adjustable (60Hz-90Hz)
  • Line Driver Output: 10V (Subwoofer Output)
  • Strømforsyning: 9V-16V likestrøm
  • Spesielle funksjoner: EPICENTER, Fully Adjustable EQ Bands, Line Driver, RCA Output, Subwoofer Control

10. Garanti

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. Støtte

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 webnettstedet.