Infinity REF-551A Reference Mono Amplivligere brugervejledning

1. Introduktion

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.

Hvad er der i æsken

• 1 x Infinity REF-551A Amplivligere
• 1 x ledningsnet til højniveauindgang
• 2 x Spare fuses
• 2 x 2-color brand stickers
• 1 x Quick start guide

Figur 1: Øverst view of the Infinity REF-551A Reference Mono Ampløfter, showcasing its compact design and Infinity branding.

2. Sikkerhedsoplysninger

Læs venligst alle instruktioner omhyggeligt, inden du installerer og bruger din amplifier. Failure to follow these instructions may result in serious injury or damage to the product or vehicle. Keep this manual for future reference.

• Strømkilde: Tilslut ampTilslut kun strømforsyningen til et 12V DC negativt jord-elektrisk system.
• Ledningsføring: Ensure all wiring is correctly routed and secured to prevent pinching or damage. Use appropriate gauge wire for power and ground connections.
• Sikringer: Always replace fuses with the same type and rating as specified. Do not bypass fuses.
• Ventilation: Installer ampOpbevar apparatet på et sted, der giver tilstrækkelig luftcirkulation for at forhindre overophedning. Dæk ikke apparatet til. ampafdækning med tæpper eller andre materialer.
• Professionel installation: Hvis du er usikker på nogen del af installationsprocessen, skal du søge hjælp fra en kvalificeret professionel installatør.
• Høreværn: Prolonged exposure to high volume levels can cause permanent hearing loss. Use caution when adjusting volume.

3. Opsætning og installation

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.

Montering af Amplivligere

Sikre den amplifier firmly to a solid surface using appropriate screws. Ensure there is enough space around the amplifier til luftcirkulation.

Ledningsforbindelser

Før du foretager nogen tilslutninger, skal du frakoble bilens negative batteripol for at undgå kortslutninger.

Strøm- og jordforbindelser

• +12V (strøm): Connect a heavy-gauge power cable directly from the vehicle's positive battery terminal to the +12V terminal on the ampInstaller en passende sikringsholder (medfølger ikke) inden for 45 cm fra batteriet.
• GND (jord): Tilslut et kraftigt jordkabel fra GND-terminalen på ampFastgør sikringen til en ren, umalet metaloverflade på køretøjets chassis. Sørg for en god elektrisk forbindelse.
• REM (fjernbetjening): Tilslut en fjernbetjeningsledning fra din hovedenheds fjernbetjeningsudgang til REM-terminalen på 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.

Figur 2: Bagside view af amplifier, detailing the power, ground, remote, and subwoofer output terminals. Note the fuse compartment.

Lydindgangsforbindelser

• Lavniveauindgang (RCA): For hovedenheder med RCA pre-outs skal du tilslutte RCA-kabler fra hovedenheden til amplifier's INPUT (LO) terminals.
• Input på højt niveau: 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 amplifiers input på højt niveau.

Forbindelser til højttalerudgang

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.

Figur 3: Forside view af amplifier, displaying the RCA input, input level switch, gain, bass boost, and phase controls.

4. Betjening af Amplivligere

Once installed, you can adjust the amplifier's settings to optimize sound performance for your vehicle and subwoofer setup.

Kontroller og justeringer

• 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.
• FORSTÆRKNING (MIN/MAKS): Forstærkningskontrollen matcher 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 (Crossover Frequency): 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. Vedligeholdelse

The Infinity REF-551A ampLifier kræver minimal vedligeholdelse. Følg disse retningslinjer for at sikre dens levetid:

• Rensning: Tør regelmæssigt af ampRengør ydersiden af ​​apparatet med en blød, tør klud. Brug ikke skrappe kemikalier eller slibende rengøringsmidler.
• Ventilation: Sørg for, at amplifier's cooling fins and ventilation openings remain clear of dust and debris.
• Forbindelser: Kontrollér lejlighedsvis alle ledningsforbindelser for at sikre, at de er fastgjorte og fri for korrosion.

6. Fejlfinding

Hvis du oplever problemer med din amplifier, consult this section for potential solutions before contacting support.

Ingen strøm / Amplifer tænder ikke

• Check the main fuse near the battery and the fuses on the ampUdskift den, hvis den er sprunget.
• Verify that the +12V power wire is connected securely to the battery and the amplivligere.
• 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.

Ingen lydudgang

• 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.
• Kontroller højttalerledningernes forbindelser på begge amplifier and the subwoofer. Ensure correct polarity.
• Juster amplifier's GAIN control. It might be set too low.

Forvrænget lyd

• Reduce the GAIN setting on the amplivligere.
• 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.
• Kontroller for løse højttalerledninger eller kortslutninger.

AmpOverophedning af væske

• Sørg for tilstrækkelig ventilation omkring ampFjern eventuelle forhindringer.
• Check the speaker impedance. Running the amplifier below its minimum recommended impedance can cause overheating.
• Reduce the GAIN setting or BASS BOOST.

7. Specifikationer

8. Garanti og support

Garantioplysninger

The Infinity REF-551A Reference Mono Amplifier leveres med en 1 års producentgaranti. 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.

Kundesupport

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 webwebstedet for de mest opdaterede supportoplysninger.