Alpine S2-A120M S-Series Mono Subwoofer Amplifier and RUX-KNOB.2 Remote Bass Knob User Manual

1. Introduktion

This manual provides comprehensive instructions for the Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob. It covers essential information regarding product features, proper setup, operational guidelines, maintenance procedures, troubleshooting common issues, and detailed technical specifications. Please read this manual thoroughly before installation and operation to ensure correct usage and optimal performance.

2. Produktet er slutview

2.1. Nøglefunktioner

S2-A120M Amplivligere: Class-D Mono Subwoofer Amplifier with 1200W RMS power output at 1 or 2 Ohms.
Features Alpine's Class D Amplifier Circuitry.
Designed with a two-sided terminal layout for efficient wiring.
Includes built-in selectable and adjustable crossovers.
Compatible with optional remote bass knobs (RUX-KNOB.2 or RUX-H01).
RUX-KNOB.2 Remote Bass Knob: Allows for convenient adjustment of amplifier bass gain from within the vehicle cabin.
Understøtter flere amplifier control with telephone cord adapters.

2.2. komponenter

The product bundle includes the Alpine S2-A120M Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob.

Alpine S2-A120M Amplifier and RUX-KNOB.2 Remote Bass Knob

Figur 1: Alpine S2-A120M S-Series Mono Subwoofer Amplifier and RUX-KNOB.2 Remote Bass Knob. This image displays the amplifier unit and the separate remote bass knob.

Top view of Alpine S2-A120M Amplivligere

Figur 2: Top view of the Alpine S2-A120M Amplifier. The top panel features the Alpine logo and a central indicator light.

Close-up of Alpine RUX-KNOB.2 Remote Bass Knob

Figur 3: Nærbillede view of the Alpine RUX-KNOB.2 Remote Bass Knob. This image highlights the control knob and its mounting bracket.

3. Opsætning og installation

Korrekt installation er afgørende for din ydeevne og levetid ampDet anbefales, at installationen udføres af en kvalificeret fagmand.

3.1. Amplifier Placering

Vælg et sted, der er tørt, godt ventileret og beskyttet mod direkte sollys eller overdreven varme.
Ensure adequate space around the ampvarmeafledning til korrekt varmeafledning.
Monter amplåsen sikkert for at forhindre bevægelse under køretøjets kørsel.

3.2. Ledningsforbindelser

The S2-A120M amplifier features a two-sided terminal layout for organized wiring.

Rear panel connections of Alpine S2-A120M Amplivligere

Figur 4: Rear panel connections of the Alpine S2-A120M Amplifier. Det her view shows the power supply terminals (BATT, REM, GND) and speaker output terminals (SPK OUT).

Strømtilslutning: Connect the main power cable from the vehicle battery to the BATT terminal. Ensure an appropriate fuse is installed close to the battery.
Jordforbindelse: Tilslut et kort, kraftigt jordkabel fra GND terminal to a clean, unpainted metal surface on the vehicle chassis.
Fjerntænding: Connect a remote turn-on wire from your head unit to the REM terminal. This wire signals the amplifter til at tænde og slukke med dit lydsystem.
Lydindgang: Tilslut RCA-kabler fra din hovedenheds subwoofer-udgang til amplifier's input jacks (not explicitly shown in the provided image, but standard for amplivførere).
Højttaler output: Tilslut din(e) subwoofer(e) til SPK UD terminals. Observe correct polarity (+ to + and - to -).

3.3. RUX-KNOB.2 Installation

The RUX-KNOB.2 remote bass knob connects to the amplifier via a telephone cord adapter. Install the knob in a convenient location within the vehicle cabin for easy access.

Mount the RUX-KNOB.2 using the provided bracket and screws.
Connect the telephone cord from the RUX-KNOB.2 to the designated remote bass knob port on the S2-A120M amplivligere.

4. Betjeningsvejledning

4.1. Første opstart

After all connections are made, turn on your vehicle's ignition and audio system.
De ampStrømindikatoren på strømforsyningen skal lyse.

4.2. Forstærkningsjustering

The gain control on the amplifier matches the output voltage of your head unit to the amplifier's input. Set the gain carefully to avoid distortion.

Start med amplifier gain set to minimum.
Play a familiar music track with strong bass content.
Slowly increase the head unit volume until it reaches about 75-80% of its maximum.
Øg gradvist ampforstærkning, indtil du hører en let forvrængning, og sænk derefter trykket lidt tilbage.

4.3. Delefilterindstillinger

The S2-A120M features built-in selectable and adjustable crossovers to filter frequencies sent to your subwoofer.

Adjust the low-pass filter (LPF) to send only low frequencies to the subwoofer. A common starting point is 80-100 Hz.
Refer to your subwoofer's specifications for recommended crossover points.

4.4. Using the RUX-KNOB.2 Remote Bass Knob

The RUX-KNOB.2 allows for real-time adjustment of the subwoofer's bass level from the driver's seat.

Rotate the knob clockwise to increase bass output.
Rotate the knob counter-clockwise to decrease bass output.
This knob provides fine-tuning of the bass level without needing to access the amplader direkte.

5. Vedligeholdelse

Regular maintenance helps ensure the longevity and optimal performance of your Alpine amplifier and bass knob.

Rensning: Tør regelmæssigt af amplifier and bass knob with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
Tilslutningskontrol: Annually, inspect all wiring connections (power, ground, remote, RCA, speaker) to ensure they are secure and free from corrosion. Loose connections can lead to performance issues or damage.
Ventilation: Sørg for, at amplifier's cooling fins are not obstructed to allow for proper heat dissipation.

6. Fejlfinding

If you encounter issues with your Alpine amplifier, refer to the following troubleshooting guide before seeking professional assistance.

Problem	Mulig årsag	Løsning
Ingen strøm / Amplifer tænder ikke	Sprunget sikring Løs strøm- eller jordforbindelse Fjernbetjeningsledning ikke tilsluttet eller defekt	Check and replace fuses (battery and amplivligere). Kontroller, at alle strøm-, jord- og fjernforbindelser er sikre. Sørg for, at hovedenheden sender et fjernsignal.
Ingen lydudgang	Løse RCA-indgangskabler Forkert højttalerledningsføring AmpForstærkningen er indstillet for lavt Lydstyrken på hovedenheden er for lav eller slået fra	Check RCA connections at both ampløfter og hovedenhed. Verify speaker wire polarity and connections. Tilpasse amplifier gain (refer to Section 4.2). Øg hovedenhedens lydstyrke.
Forvrænget lyd	AmpForstærkningen er indstillet for højt Forkerte delefilterindstillinger Damaged speaker or subwoofer	Reducere amplifier gain (refer to Section 4.2). Adjust crossover settings (refer to Section 4.3). Inspect speakers/subwoofers for physical damage.
RUX-KNOB.2 Not Functioning	Loose or disconnected telephone cord Uforenelig amplifier (though S2-A120M is compatible)	Ensure the telephone cord is securely connected at both ends. Verify the knob is connected to the correct port on the amplivligere.

7. Specifikationer

7.1. Alpine S2-A120M Amplivligere

Power Output (14.4V, <0.1% THD+N):
- 600W x 1 @ 4Ω
- 1200W x 1 @ 2Ω
- 1200W x 1 @ 1Ω
Signal-til-støj-forhold (S/N-forhold): >85dB
Frekvensrespons: 20Hz – 400Hz
Dampfaktor: >750
Dimensioner (B x H x D): 13.1 "x 2.25" x 8.25 "(33.27 cm x 5.72 cm x 20.96 cm)
Vægt: Approximately 8 lbs, 11 oz (3.94 kg)

7.2. Alpine RUX-KNOB.2 Remote Bass Knob

Fungere: Remote bass gain adjustment for compatible Alpine amplivførere.
Kompatibilitet: Designed for use with S2-A120M and other compatible Alpine amplifiers (e.g., MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6).
Forbindelse: Via telephone cord adapter.

8. Garanti og support

For warranty information and technical support, please refer to the official Alpine website or contact Alpine customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.

Alpine Customer Support: Visit Alpine's Support Page

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