1. Introducció
The Skar Audio SKA7EQ is a high-performance 7-band 1/2 DIN pre-amplifier car audio graphic equalizer designed to provide precise control over your vehicle's audio system. This unit features dual RCA inputs, high-voltage RCA outputs, and seven adjustable equalization bands, allowing for detailed sound customization. This manual provides essential information for proper installation, operation, and maintenance of your SKA7EQ equalizer.
Image 1.1: Skar Audio SKA7EQ 7 Band Graphic Equalizer, angled view.
2. Característiques
- 6 Channel 7-Band High Performance Car Audio 1/2 DIN Pre-Amp Electronic Equalizer.
- Features 2 (Balanced & Selectable) RCA Inputs - Main and Auxiliary (Aux w/ Variable Gain Control).
- Vol. Alttage (Max Output Voltage - 7V) Gold Plated Pre-Amp RCA Outputs - Front, Rear, and Subwoofer (with Variable Subwoofer Level Control on Front of EQ).
- 7 Fully Adjustable -12 dB to +12 dB EQ Bands (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz) with Built-in Fader Control.
- Signal-to-Noise Ratio: 100 dB, Low Pass Frequency Switch: 60 Hz / 120 Hz.
- Includes Installation Mounting Brackets and Hardware.
- 20 dB Headroom Eliminated Signal Overload.
3. Què hi ha a la caixa
- SKA7EQ 7 Band 1/2 DIN Graphic Car Stereo Equalizer
- Installation Brackets and Hardware
Image 3.1: Included installation brackets and hardware for the SKA7EQ.
4. Producte acabatview
4.1 Controls del panell frontal
Image 4.1: Front panel view of the Skar Audio SKA7EQ, showing all control knobs.
- SUB NIVELL: Ajusta el nivell de sortida del canal de subwoofer.
- VOLUM: Controls the overall master volume of the equalizer.
- AUX IN: Selects between Main and Auxiliary input sources.
- FADER: Balances the audio output between the front and rear channels.
- EQ BANDS (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz): Seven individual rotary controls to boost or cut frequencies by -12 dB to +12 dB.
4.2 Connexions del panell posterior
Image 4.2: Rear panel view of the Skar Audio SKA7EQ, displaying RCA inputs and outputs, and power terminals.
- SUBSORTIDA: Sortides RCA per connectar un subwoofer ampmés viu.
- AUX IN: Entrades RCA per a una font d'àudio auxiliar.
- MAIN-IN: Entrades RCA per a la font d'àudio principal (per exemple, la unitat principal).
- FRONT R/L, REAR R/L OUTPUTS: RCA outputs for connecting to front and rear channel ampaixecadors.
- POWER TERMINALS (GND, REM, BATT+): Connections for Ground, Remote Turn-On, and 12V Battery Positive.
- LOWPASS FREQUENCY SWITCH (60 Hz / 120 Hz): Selects the low-pass crossover frequency for the subwoofer output.
5. Configuració i instal·lació
Proper installation is crucial for optimal performance and safety. It is recommended that installation be performed by a qualified professional. Ensure the vehicle's battery is disconnected before beginning any wiring.
5.1 Muntatge
- Choose a suitable location for the equalizer, typically in the dashboard (1/2 DIN slot) or under a seat, ensuring adequate ventilation.
- Use the provided mounting brackets and hardware to secure the unit firmly.
5.2 Connexions de cablejat
- Potència (BATT+): Connect the +12V terminal to a constant +12V power source from the vehicle's battery, using an inline fuse (not included, recommended 1A-3A).
- Terra (GND): Connect the GND terminal to a clean, unpainted metal surface of the vehicle chassis.
- Remot (REM): Connect the REM terminal to the remote turn-on output of your head unit or another switched +12V source.
- Entrades RCA: Connect the RCA outputs from your head unit to the SKA7EQ's MAIN-IN or AUX-IN (if using an auxiliary source).
- Sortides RCA: Connect the SKA7EQ's FRONT, REAR, and SUB-OUT RCA outputs to the corresponding RCA inputs on your ampaixecadors.
6. Instruccions de funcionament
Once installed, follow these steps to operate your Skar Audio SKA7EQ equalizer:
- Encès: Ensure all connections are secure and turn on your vehicle's ignition and head unit. The equalizer should power on automatically via the remote wire.
- Selecció d'entrada: Use the AUX IN switch on the front panel to select between your main audio source (MAIN-IN) or an auxiliary device (AUX-IN). Adjust the AUX-GAIN control if using the auxiliary input.
- Ajust de volum: Start with the VOLUME knob at a low setting. Gradually increase it to a comfortable listening level.
- Control del fader: Use the FADER knob to balance the sound between your front and rear speakers as desired.
- Equalizer Adjustment: Adjust the seven EQ band knobs (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz) to fine-tune the audio frequencies. Turn clockwise to boost a frequency, counter-clockwise to cut. Experiment to achieve your preferred sound profile.
- Nivell del subwoofer: Use the SUB LEVEL knob to control the output volume of your subwoofer.
- Filtre de pas baix: Set the LOWPASS FREQUENCY switch on the rear panel to either 60 Hz or 120 Hz, depending on your subwoofer and system requirements. This filters out higher frequencies from the subwoofer output.
7. Manteniment
To ensure the longevity and optimal performance of your SKA7EQ equalizer, follow these simple maintenance guidelines:
- Neteja: Use a soft, dry cloth to wipe the exterior of the unit. Avoid using harsh chemicals or abrasive cleaners.
- Connexions: Reviseu periòdicament totes les connexions del cablejat per assegurar-vos que estiguin ben fixades i que no presentin corrosió.
- Medi ambient: Ensure the equalizer is installed in a location free from excessive heat, moisture, and direct sunlight.
8. Solució De Problemes
If you encounter issues with your SKA7EQ, refer to the table below for common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Blown fuse; loose power/ground/remote wire; no remote signal. | Check and replace fuse; verify all power connections are secure; ensure head unit remote output is active. |
| Sense sortida de so | Incorrect input selection; loose RCA cables; ampl'activador no està encès. | Verify AUX IN switch position; check all RCA connections; ensure amplifiers are receiving power and remote signal. |
| So distorsionat | Input gain too high; EQ bands set too aggressively; poor ground connection. | Reduce head unit output volume or equalizer input gain; reset EQ bands to flat and adjust gradually; check ground wire for secure connection. |
| Humming/Noise | Ground loop; poor RCA shielding; power wire too close to RCA cables. | Ensure proper grounding; use high-quality shielded RCA cables; route power and RCA cables separately. |
9. Especificacions
| Característica | Especificació |
|---|---|
| Pes de l'article | 1.72 lliures |
| Dimensions del producte | 9 x 6.5 x 1.75 polzades |
| Número de model de l'article | SKA7EQ |
| Ràtio senyal / soroll | 100 dB |
| THD (distorsió harmònica total) | 0.005% |
| Vol. De sortida màxtage | 7V |
| Bandes EQ | 50 Hz, 125 Hz, 320 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz |
| EQ Boost/Cut | +/- 12 dB |
| Low Pass Frequency Switch | 60 Hz / 120 Hz |
10. Garantia i Suport
The Skar Audio SKA7EQ comes with a Garantia limitada d'2 anyAquesta garantia cobreix els defectes de materials i de fabricació en condicions d'ús normal. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
For technical support, troubleshooting assistance, or warranty inquiries, please contact Skar Audio customer service through their official website or authorized retailers. Do not attempt to repair the unit yourself, as this may void your warranty.
