Introduzzjoni
The Legacy LA120 is a high-performance 2-channel power amplifier designed to deliver clear and powerful audio. This manual provides essential information for the proper installation, operation, and maintenance of your amplifier, u jiżgura prestazzjoni ottimali u lonġevità.

Quddiem view of the Legacy LA120 2-Channel 240W Amplifier, wirjaasing its black aluminum alloy heat sink design, 'LEGACY' branding, 'LA120' model number, and '2 Channel High Performance Power Amplifier 240W' text. This image illustrates the compact and robust design of the ampaktar ħaj.
Karatteristiċi Ewlenin
- Qawwa tal-Ħruġ Totali: 240 Watts (120 Watts x 2 Channels)
- Ċirkwiti ta' Protezzjoni: 3-way protection (short circuit, thermal overload, electrical overload)
- Sink tas-Sħana: Heavy-duty aluminum alloy for efficient heat dissipation
- Gwadan Kontroll: Variable gain control for precise audio level matching
- Għażliet ta' Input: High-level and low-level inputs for versatile connectivity
Setup u Installazzjoni
Proper installation is crucial for the amplifier's performance and safety. It is recommended to have this unit installed by a qualified professional.
Post tal-Immuntar
Choose a mounting location that is dry, well-ventilated, and away from direct sunlight or heat sources. Ensure sufficient airflow around the amplifier's heat sink. The amplifier is designed for freestanding mount.
Konnessjonijiet tal-Wiring
- Power Connection (12V): Connect the main power cable from the amplifier to the positive terminal of the vehicle's battery. Use appropriate gauge wire and an inline fuse (not supplied) as close to the battery as possible.
- Konnessjoni mal-art: Qabbad il-kejbil tal-art mill- amplifier to a clean, unpainted metal surface of the vehicle's chassis. Ensure a solid, low-resistance connection.
- Tixgħel mill-bogħod: Qabbad il-wajer li jixgħel mill-bogħod mill- amplifier to the remote output of your head unit. This will turn the ampIl-lifer mixgħul u mitfi bis-sistema awdjo tiegħek.
- Input Awdjo: Qabbad is-sors awdjo tiegħek (unità ewlenija) mal- amplifier's input terminals. Use either the high-level inputs (speaker wire from head unit) or low-level inputs (RCA cables from head unit's pre-outs).
- Riżultat tal-Kelliem: Qabbad il-kelliema tiegħek mal- amplifier's speaker output terminals. Ensure correct polarity (+ to + and - to -) for each speaker.
Istruzzjonijiet Operattivi
Power-Up Inizjali
After all connections are made, turn on your vehicle's ignition and then your audio head unit. The ampIl-lifer għandu jixgħel, indikat b'indikatur LED (jekk preżenti).
Aġġustament tal-Kontroll tal-Qligħ
The variable gain control allows you to match the amplifier's input sensitivity to the output level of your head unit. Start with the gain control at its minimum setting. Play a familiar piece of music at a moderate volume on your head unit. Slowly increase the amplifier's gain control until you hear distortion, then back it off slightly until the sound is clear. Avoid setting the gain too high, as this can lead to distorted audio and potential damage to speakers or the ampaktar ħaj.
Manutenzjoni
The Legacy LA120 amplifier requires minimal maintenance. Regular checks can help ensure its longevity.
- Tindif: Imsaħ il-barra tal- amplifier with a soft, dry cloth to remove dust and debris. Do not use liquid cleaners or solvents.
- Ventilazzjoni: Ensure that the heat sink fins are not obstructed by dust or other materials. Proper airflow is essential for cooling.
- Kontroll tal-Konnessjoni: Iċċekkja l-konnessjonijiet tal-wajers kollha minn żmien għal żmien biex tiżgura li huma siguri u ħielsa mill-korrużjoni. Konnessjonijiet laxki jistgħu jwasslu għal prestazzjoni fqira jew ħsara.
Issolvi l-problemi
Jekk tesperjenza problemi ma tiegħek amplifer, irreferi għall-problemi u s-soluzzjonijiet komuni li ġejjin:
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Bla Qawwa / Amplifier Mhux Mixgħul | Fjus maħruq, wajer tal-enerġija/ert/remote maħlul, output remot tal-unità ewlenija difettuż. | Check inline fuse and amplifier fuses. Verify all power, ground, and remote connections are secure and have proper voltage. Test remote wire for 12V when head unit is on. |
| Ebda Output tal-Ħoss | No audio input signal, incorrect gain setting, speaker wires disconnected or shorted, amplifier fil-mod ta 'protezzjoni. | Check RCA/high-level input connections. Adjust gain. Inspect speaker wiring for shorts or disconnections. If amplifier is in protection, refer to protection section. |
| Ħoss Mgħawġ | Gain set too high, poor ground connection, speaker impedance mismatch, damaged speakers. | Reduce gain setting. Ensure a solid ground connection. Verify speaker impedance matches amplifier's capabilities. Test speakers individually. |
| AmpModalità ta' Tisħin żejjed / Protezzjoni tal-Lifter | Insufficient ventilation, low speaker impedance, prolonged high volume use, internal fault. | Kun żgur li jkun hemm fluss ta' arja xieraq madwar amplifier. Check speaker impedance. Reduce volume. If problem persists, seek professional service. The 3-way protection system (short/thermal/overload) will activate to prevent damage. |
Speċifikazzjonijiet
| Numru tal-Mudell | LA120 |
| Brand | Wirt |
| Kanali | 2 |
| Qawwa tal-Ħruġ Totali | 240 Watts (120 Watts x 2 Channels) |
| Karatteristiċi ta' Protezzjoni | 3-way (Short Circuit, Thermal Overload, Electrical Overload) |
| Materjal tas-Sħana tas-Sħana | Liga tal-Aluminju Heavy-duty |
| Ikseb Kontroll | Varjabbli |
| Tip ta' Input | High-level / Low-level |
| Vol Operattivtage | 12 Volts DC |
| Dimensjonijiet (L x W x H) | 21 x 21 x 6.8 centimeters (approx. 8.27 x 8.27 x 2.68 inches) |
| Piż | 1.09 kg (madwar 2.4 lbs) |
| Tip ta 'Immuntar | Muntanja Freestanding |
Garanzija u Appoġġ
For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your purchase or visit the official Legacy Audio websit. Żomm il-prova tax-xiri tiegħek għal talbiet ta' garanzija.





