1. Introdución
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. Información de seguridade
- Desconecte sempre a batería do vehículo antes de comezar calquera instalación.
- Asegúrate de que todo o cableado estea debidamente illado para evitar curtocircuítos.
- Mount the equalizer securely to avoid movement during vehicle operation.
- Do not operate the unit in wet conditions or expose it to excessive moisture.
- Consulta cun instalador profesional de audio para automóbiles se tes algunha dúbida sobre algunha parte do proceso de instalación.
3. Contido do paquete
Verify that all items are present in your GR-EQ9 package:
- Gravity 7 Band Graphic Equalizer GR-EQ9 Unit
- Soportes de montaxe
- Parafusos de montaxe
- Cableado de alimentación/terra/control remoto
- Manual de usuario
Image: Included mounting brackets, screws, and wiring harness for the GR-EQ9.
4. Produto rematadoview
4.1. Controis do panel frontal
Imaxe: Arriba view of the GR-EQ9 front panel with all controls.
- SUBNIVEL: Axusta o nivel de saída do subwoofer.
- VOLUME: Control de volume principal para todo o sistema.
- SUB FREQ: Adjusts the low-pass crossover frequency for the subwoofer output (60Hz to 90Hz).
- FADER: Balancea a saída de audio entre os altofalantes dianteiros e traseiros.
- 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. Conexións do panel traseiro
Image: Close-up of the GR-EQ9 rear panel connections.
- ENTRADA PRINCIPAL (E/D): Entradas RCA para a fonte de audio principal (por exemplo, a unidade principal).
- AUX IN (L/R): Entradas RCA para unha fonte de audio auxiliar.
- SALIDA DIANTEIRA (ES/D): RCA outputs for front speakers.
- SAÍDA TRASEIRA (ES/D): RCA outputs for rear speakers.
- SAÍDA DE SUB (ES/D): 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. Configuración
5.1. Instalación
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.
- Choose a suitable mounting location (e.g., under the dashboard, in the center console).
- Use the provided mounting brackets as a template to mark screw holes.
- Drill pilot holes and secure the brackets using the supplied screws.
- Attach the GR-EQ9 unit to the mounted brackets.
5.2. Cableado
Proper wiring is crucial for optimal performance and safety. Ensure all connections are secure and correctly polarized.
- Conexión de alimentación (+12 V): 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.
- Conexión a terra (GND): Connect the GND wire to a clean, unpainted metal surface on the vehicle chassis.
- Acendido remoto (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.
- Entradas RCA: Connect the RCA output from your head unit to the PRINCIPAL EN (L/R) inputs on the GR-EQ9. If using an auxiliary device, connect its RCA output to the AUX IN (L/R) inputs.
- Saídas RCA: Conecta o FRONTE PARA FÓRA (L/R), FÓRA DETRÁS (L/R), and SUB OUT (L/R) from the GR-EQ9 to the corresponding inputs on your amplevantadores.
6. Instrucións de funcionamento
Once installed, the GR-EQ9 allows for precise audio customization.
- Encendido: The unit will power on automatically when the remote turn-on signal is received from your head unit.
- Selección de entrada: Usa o AUX/CD Selector button to switch between your main audio source (CD) and the auxiliary input (AUX).
- Control de volume: Axustar o VOLUME knob to set the overall listening level.
- Control do subwoofer:
- Usa o SUB NIVEL knob to control the output volume of your subwoofer.
- Axustar o SUB FREQ knob to set the low-pass crossover point for the subwoofer, typically between 60Hz and 90Hz, to blend with your main speakers.
- Axustes do ecualizador: 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.
- Control de fader: O FADER knob allows you to adjust the balance of sound between your front and rear speakers.
- Axuste do nivel de entrada: Usa o HIGH LEVEL / MAIN LEVEL switch and corresponding knobs to match the input signal level from your head unit, preventing distortion.
7. Mantemento
- Manteña a unidade limpa limpando cun pano suave e seco.
- Evite o uso de produtos químicos agresivos ou produtos de limpeza abrasivos.
- Asegúrese de que todas as conexións estean seguras e libres de corrosión.
8 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| Sen poder | Blown fuse; incorrect wiring; no remote signal. | Check and replace fuse; verify +12V, GND, and REM connections. |
| Sen son | Incorrect RCA connections; amplifier not powered; input source issue. | Verify all RCA cables are connected correctly; ensure amplifiers are on; check head unit output. |
| Son distorsionado | Input 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/Hiss | Poor grounding; RCA cables too close to power wires; gain settings too high. | Ensure proper grounding; reroute RCA cables away from power wires; adjust ampaxustes de ganancia do lifier. |
9. Especificacións
- Modelo: GR-EQ9
- Dimensións do produto: 1.8 x 9 x 7.7 polgadas
- Peso do artigo: 1.6 libras
- Bandas do ecualizador: 7 (50 Hz, 125 Hz, 315 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz)
- Boost/Cut: -12 dB to +12 dB per band
- Frecuencia de cruce do subwoofer: Adjustable (60Hz-90Hz)
- Line Driver Output: 10V (Subwoofer Output)
- Fonte de alimentación: 9V-16V DC
- Características especiais: EPICENTER, Fully Adjustable EQ Bands, Line Driver, RCA Output, Subwoofer Control
10. Garantía
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. Apoio
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 websitio.