Inngangur
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 amplyftari, sem tryggir bestu mögulegu afköst og endingu.

Framan view of the Legacy LA120 2-Channel 240W Ampbjargvættur, sýningasing 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 amplíflegri.
Helstu eiginleikar
- Heildarúttaksstyrkur: 240 Watts (120 Watts x 2 Channels)
- Verndunarrás: 3-way protection (short circuit, thermal overload, electrical overload)
- Hitavaskur: Heavy-duty aluminum alloy for efficient heat dissipation
- Gain Control: Variable gain control for precise audio level matching
- Inntaksvalkostir: High-level and low-level inputs for versatile connectivity
Uppsetning og uppsetning
Rétt uppsetning er lykilatriði fyrir amplifier's performance and safety. It is recommended to have this unit installed by a qualified professional.
Uppsetningarstaður
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.
Raflagnatengingar
- 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.
- Jarðtenging: Tengdu jarðsnúruna frá amplifier to a clean, unpainted metal surface of the vehicle's chassis. Ensure a solid, low-resistance connection.
- Fjarkveikja: Tengdu ytri kveikjuvírinn frá amplifier to the remote output of your head unit. This will turn the ampKveikja og slökkva á hátalaranum með hljóðkerfinu þínu.
- Hljóðinntak: Tengdu hljóðgjafann þinn (höfuðeininguna) við 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).
- Hátalaraúttak: Tengdu hátalarana þína við amplifier's speaker output terminals. Ensure correct polarity (+ to + and - to -) for each speaker.
Notkunarleiðbeiningar
Upphafsvirkjun
After all connections are made, turn on your vehicle's ignition and then your audio head unit. The ampTækið ætti að kvikna á, sem gefið er til kynna með LED-ljósi (ef það er til staðar).
Aðlögun Gain Control
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 amplíflegri.
Viðhald
The Legacy LA120 amplifier requires minimal maintenance. Regular checks can help ensure its longevity.
- Þrif: Þurrkið reglulega ytra byrði amplifier with a soft, dry cloth to remove dust and debris. Do not use liquid cleaners or solvents.
- Loftræsting: Ensure that the heat sink fins are not obstructed by dust or other materials. Proper airflow is essential for cooling.
- Tengingarathugun: Occasionally check all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to poor performance or damage.
Úrræðaleit
Ef þú lendir í vandræðum með þinn ampLifier, vísaðu til eftirfarandi algengra vandamála og lausna:
| Vandamál | Möguleg orsök | Lausn |
|---|---|---|
| Enginn rafmagn / AmpLífið kveikir ekki á sér | Sprungið öryggi, laus vír fyrir aflgjafa/jarðtengingu/fjarstýringu, bilaður útgangur á fjarstýringu höfuðeiningar. | Athugaðu innbyggða öryggið og amplifier fuses. Verify all power, ground, and remote connections are secure and have proper voltage. Prófaðu fjarstýringarvírinn fyrir 12V þegar höfuðeiningin er kveikt. |
| Ekkert hljóðúttak | No audio input signal, incorrect gain setting, speaker wires disconnected or shorted, amplyftara í verndarham. | Check RCA/high-level input connections. Adjust gain. Inspect speaker wiring for shorts or disconnections. If amplifier is in protection, refer to protection section. |
| Bjagað hljóð | Of há stillt á styrk, léleg jarðtenging, ósamræmi í impedansi hátalara, skemmdir á hátalurum. | Reduce gain setting. Ensure a solid ground connection. Verify speaker impedance matches amplifier's capabilities. Test speakers individually. |
| AmpOfhitnun / Verndarhamur fyrir kælibúnað | Insufficient ventilation, low speaker impedance, prolonged high volume use, internal fault. | Tryggið rétta loftflæði í kringum 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. |
Tæknilýsing
| Gerðarnúmer | LA120 |
| Vörumerki | Arfleifð |
| Rásir | 2 |
| Heildarúttaksstyrkur | 240 Watts (120 Watts x 2 Channels) |
| Verndareiginleikar | 3-way (Short Circuit, Thermal Overload, Electrical Overload) |
| Efni til hitastigs | Heavy-duty Aluminum Alloy |
| Fáðu stjórn | Breytilegt |
| Tegund inntaks | High-level / Low-level |
| Operation Voltage | 12 Volt DC |
| Mál (L x B x H) | 21 x 21 x 6.8 centimeters (approx. 8.27 x 8.27 x 2.68 inches) |
| Þyngd | 1.09 kg (u.þ.b.2.4 lbs) |
| Gerð uppsetningar | Freestanding Mount |
Ábyrgð og stuðningur
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 webGeymið kaupkvittunina vegna ábyrgðarkröfu.