Infinity REF-551A Reference Mono AmpManual d'usuari més viu

1. Introducció

The Infinity REF-551A Reference Mono Amplifier is designed to deliver pure power in a compact chassis, suitable for various vehicle installations. This amplifier incorporates advanced topology, variable electronic crossovers, and bass boost control for precise audio system tuning. It features high- and low-level inputs for compatibility with both aftermarket and factory car stereo systems. The REF-551A is also compatible with certain advanced driver assistance systems (ADAS) and Harman HALOsonic technologies, which can enhance the in-car audio experience by reducing noise and simulating engine sounds.

Què hi ha a la caixa

• 1 x Infinity REF-551A Ampmés viu
• 1 x High-level input wiring harness
• 2 x Spare fuses
• 2 x 2-color brand stickers
• 1 x Guia d'inici ràpid

Figura 1: superior view of the Infinity REF-551A Reference Mono Ampvidador, espectacleasing its compact design and Infinity branding.

2. Informació de seguretat

Si us plau, llegiu atentament totes les instruccions abans d'instal·lar i fer funcionar el vostre amplifier. Failure to follow these instructions may result in serious injury or damage to the product or vehicle. Keep this manual for future reference.

• Font d'alimentació: Connecteu el amplifier only to a 12V DC negative ground electrical system.
• Cablejat: Ensure all wiring is correctly routed and secured to prevent pinching or damage. Use appropriate gauge wire for power and ground connections.
• Fusibles: Always replace fuses with the same type and rating as specified. Do not bypass fuses.
• Ventilació: Instal·leu el ampl'extintor en un lloc que permeti una circulació d'aire adequada per evitar el sobreescalfament. No tapeu el amplificador amb catifes o altres materials.
• Instal·lació professional: Si teniu dubtes sobre alguna part del procés d'instal·lació, demaneu ajuda a un instal·lador professional qualificat.
• Protecció auditiva: Prolonged exposure to high volume levels can cause permanent hearing loss. Use caution when adjusting volume.

3. Configuració i instal·lació

Proper installation is crucial for optimal performance and safety. Choose a mounting location that is dry, well-ventilated, and secure. Avoid mounting the amplifier where it will be exposed to direct sunlight, excessive heat, or moisture.

Muntatge del Ampmés viu

Assegureu-vos el amplifier firmly to a solid surface using appropriate screws. Ensure there is enough space around the ampLificador per a la circulació d'aire.

Connexions de cablejat

Abans de fer qualsevol connexió, desconnecteu el terminal negatiu de la bateria del vehicle per evitar curtcircuits.

Connexions d’alimentació i terra

• +12V (Alimentació): Connect a heavy-gauge power cable directly from the vehicle's positive battery terminal to the +12V terminal on the amplifier. Install an appropriate fuse holder (not supplied) within 18 inches (45 cm) of the battery.
• GND (terra): Connect a heavy-gauge ground cable from the GND terminal on the ampel adaptador a una superfície metàl·lica neta i sense pintar del xassís del vehicle. Assegureu-vos d'una bona connexió elèctrica.
• REM (remot): Connecteu un cable d'encesa remota des de la sortida remota de la unitat principal al terminal REM del amplifier. If your head unit does not have a remote output, the amplifier features auto signal detection, which can turn it on/off by sensing an audio signal.

Figura 2: posterior view de la amplifier, detailing the power, ground, remote, and subwoofer output terminals. Note the fuse compartment.

Connexions d'entrada d'àudio

• Entrada de baix nivell (RCA): For head units with RCA pre-outs, connect RCA cables from the head unit to the amplifier's INPUT (LO) terminals.
• Entrada d'alt nivell: For head units without RCA pre-outs, use the supplied high-level input wiring harness. Connect the speaker wires from your head unit to the harness, then plug the harness into the ampentrada d'alt nivell del lificador.

Connexions de sortida dels altaveus

Connect your subwoofer(s) to the SUB terminals on the amplifier. Ensure correct polarity (+ to + and - to -) for optimal performance. This is a mono amplifier, designed for a single subwoofer or multiple subwoofers wired to a mono load.

Figura 3: Frontal view de la amplifier, displaying the RCA input, input level switch, gain, bass boost, and phase controls.

4. Funcionament del Ampmés viu

Un cop instal·lat, podeu ajustar el amplifier's settings to optimize sound performance for your vehicle and subwoofer setup.

Controls i ajustos

• INPUT LEVEL (LO/HI1/HI2): This switch adjusts the input sensitivity to match the output voltage of your head unit. Set to 'LO' for low-level (RCA) inputs. For high-level inputs, select 'HI1' or 'HI2' based on your head unit's output.
• GAIN (MIN/MAX): El control de guany coincideix amb el amplifier's input sensitivity to your head unit's output. Start with the gain at minimum, then slowly increase it until you hear distortion, then back off slightly.
• FREQ (Freqüència de creuament): This knob adjusts the low-pass filter frequency. It allows only frequencies below the set point to pass to the subwoofer. Adjust this to blend the subwoofer output smoothly with your main speakers.
• BASS BOOST (0dB/+9dB): This control provides a boost at 45Hz to enhance bass impact. Use sparingly to avoid distortion.
• FASE (0°/180°): This switch adjusts the phase of the subwoofer output relative to the main speakers. Experiment with both settings to find the one that provides the most impactful and cohesive bass response.

5. Manteniment

The Infinity REF-551A ampEl purificador requereix un manteniment mínim. Seguiu aquestes pautes per garantir la seva longevitat:

• Neteja: Netegeu periòdicament el ampl'exterior del purificador amb un drap suau i sec. No utilitzeu productes químics agressius ni netejadors abrasius.
• Ventilació: Assegureu-vos que el amplifier's cooling fins and ventilation openings remain clear of dust and debris.
• Connexions: De tant en tant, comproveu totes les connexions del cablejat per assegurar-vos que estiguin ben fixades i que no presentin corrosió.

6. Solució De Problemes

Si tens problemes amb el teu amplifier, consult this section for potential solutions before contacting support.

Sense alimentació / AmpEl lificador no s'encén

• Check the main fuse near the battery and the fuses on the ampCanvieu-ho si està cremat.
• Verify that the +12V power wire is connected securely to the battery and the ampmés viu.
• Ensure the ground wire is securely connected to a clean metal chassis point.
• Check the remote turn-on wire connection. If using auto signal detection, ensure the head unit is on and producing an audio signal.

Sense sortida de so

• Confirm that the head unit is on and playing audio.
• Check all audio input connections (RCA or high-level harness) for proper seating and continuity.
• Verify speaker wire connections at both the amplifier and the subwoofer. Ensure correct polarity.
• Ajusteu el amplifier's GAIN control. It might be set too low.

So distorsionat

• Reduce the GAIN setting on the ampmés viu.
• Check for proper impedance matching between the amplifier and the subwoofer(s).
• Ensure the subwoofer is not overdriven. Reduce the head unit's volume or bass boost.
• Check for loose speaker wires or short circuits.

Ampsobreescalfament del lificador

• Assegureu-vos una ventilació adequada al voltant ampElimina qualsevol obstrucció.
• Check the speaker impedance. Running the amplifier below its minimum recommended impedance can cause overheating.
• Reduce the GAIN setting or BASS BOOST.

7. Especificacions

8. Garantia i Suport

Informació de la garantia

The Infinity REF-551A Reference Mono Amplifier ve amb a 1 any de garantia del fabricant. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by improper installation, accident, abuse, neglect, or unauthorized modification.

Atenció al client

For technical assistance, troubleshooting beyond this manual, or warranty service, please contact Infinity customer support. Refer to the contact information provided in your quick start guide or visit the official Infinity weblloc web per obtenir els detalls d'assistència més actualitzats.