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

1. Ro-ràdh

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. Toradh thallview

2.1. Prìomh fheartan

• S2-A120M Amplosgadair: 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.
• A 'toirt taic do ioma amplifier control with telephone cord adapters.

2.2. Com-pàirtean

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

Figear 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.

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

Figear 3: Faisg air làimh view of the Alpine RUX-KNOB.2 Remote Bass Knob. This image highlights the control knob and its mounting bracket.

3. Setup agus Stàladh

Tha stàladh ceart deatamach airson coileanadh agus fad-beatha do ampThathar a’ moladh gun dèan proifeasanta teisteanasach an stàladh.

3.1. AmpSuidheachadh lifier

• Choose a location that is dry, well-ventilated, and protected from direct sunlight or excessive heat.
• Ensure adequate space around the amplififier airson sgaoileadh teas ceart.
• Stàlaich an amplifier securely to prevent movement during vehicle operation.

3.2. Ceangalaichean Uèir

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

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

1. Ceangal cumhachd: Connect the main power cable from the vehicle battery to the BATT terminal. Ensure an appropriate fuse is installed close to the battery.
2. Ceangal talmhainn: Connect a short, heavy-gauge ground cable from the GND terminal to a clean, unpainted metal surface on the vehicle chassis.
3. Tionndadh air astar: Connect a remote turn-on wire from your head unit to the REM terminal. This wire signals the amplifer gus a thionndadh air agus dheth leis an t-siostam claisneachd agad.
4. Cuir a-steach claisneachd: Ceangail càbaill RCA bho thoradh subwoofer an aonaid cheann agad ris an amplifier's input jacks (not explicitly shown in the provided image, but standard for ampluchd-losgaidh).
5. Toradh neach-labhairt: Ceangail an subwoofer(s) agad ris SPK AMACH 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 amplosgadair.

4. Stiùireadh Obrachaidh

4.1. Tòiseachadh Cumhachd Tùsail

• After all connections are made, turn on your vehicle's ignition and audio system.
• Tha an ampBu chòir comharra cumhachd an lifter lasadh suas.

4.2. Gnàthachadh a chosnadh

The gain control on the amplifier matches the output voltage den aonad ceann agad chun an amplifier's input. Set the gain carefully to avoid distortion.

• Tòisich leis an ampbuannachd lifer air a shuidheachadh chun ìre as ìsle.
• Play a familiar music track with strong bass content.
• Slowly increase the head unit volume until it reaches about 75-80% of its maximum.
• Mean air mhean àrdachadh an amplifier gain until you hear slight distortion, then back off slightly.

4.3. Roghainnean Crois-thairis

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 amplosgadair gu dìreach.

5. Cumail suas

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

• Glanadh: Glan bho àm gu àm an amplifier and bass knob with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
• Sgrùdadh ceangail: 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.
• Fionnarachadh: Dèan cinnteach gu bheil an amplifier's cooling fins are not obstructed to allow for proper heat dissipation.

6. A ’dèanamh trioblaid

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

7. Sònrachaidhean

7.1. Alpine S2-A120M Amplosgadair

• Power Output (14.4V, <0.1% THD+N):
  • 600W x 1 @ 4Ω
  • 1200W x 1 @ 2Ω
  • 1200W x 1 @ 1Ω
• Co-mheas Comharra-gu-Fuaim (Co-mheas S/N): >85dB
• Freagairt tricead: 20Hz - 400Hz
• DampFactor: >750
• Meudan (W x H x D): 13.1 ”x 2.25” x 8.25 ”(33.27 cm x 5.72 cm x 20.96 cm)
• Cuideam: Approximately 8 lbs, 11 oz (3.94 kg)

7.2. Alpine RUX-KNOB.2 Remote Bass Knob

• Gnìomh: Remote bass gain adjustment for compatible Alpine ampluchd-losgaidh.
• Co-chòrdalachd: Designed for use with S2-A120M and other compatible Alpine amplifiers (e.g., MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6).
• Ceangal: Via telephone cord adapter.

8. Barantas agus Taic

Airson fiosrachadh barantais agus taic theicnigeach, thoir sùil air làrach-lìn oifigeil 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