Kirish
Thank you for choosing the LEGACY LA978 1200 Watt 2 Channel Bridgeable Mosfet Amplifier. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and longevity of your amplifier. Please read this manual thoroughly before attempting installation or operation.
Asosiy xususiyatlar
- 600 Watts x 2 Output (Stereo)
- 1200 Watts x 1 Bridged Output (Mono)
- O'zgaruvchan Hi/Lo elektron krossover tarmog'i
- O'zgaruvchan bass kuchaytirgich
- O'zgaruvchan kirish darajasi (daromad) nazorati
- MOSFET PWM quvvat manbai
- Quvvat ON LED indikatori
- LED himoya ko'rsatkichi
- Remote Bass Boost Capability
- Hi/Lo Impedance Input
- Thermal / Overload / Short Circuit Protection
- Anti-Thump Turn-On Circuitry
Xavfsizlik ma'lumotlari
Muhim xavfsizlik ko'rsatmalari:
- Har qanday o'rnatishni boshlashdan oldin har doim avtomobil akkumulyatorining salbiy terminalini ajratib oling.
- Elektr xavfini oldini olish uchun to'g'ri erga ulashni ta'minlang.
- Haddan tashqari issiqlik va shikastlanishning oldini olish uchun quvvat va karnay ulanishlari uchun mos o'lchov simlaridan foydalaning.
- ni o'rnating amplifier securely in a well-ventilated area, away from moisture and direct sunlight.
- ni ishlatmang amplifier if it has been exposed to water or sustained physical damage.
- O'rnatish bosqichlaridan birortasi haqida ishonchingiz komil bo'lmasa, professional yordam so'rang.
O'rnatish va o'rnatish
To'g'ri o'rnatish sizning qurilmangizning ishlashi va xavfsizligi uchun juda muhimdir amplifier. Refer to the diagrams below for connection details.
O'rnatish Amphayotiyroq
Choose a mounting location that is dry, well-ventilated, and secure. Avoid mounting on carpet or in enclosed spaces that restrict airflow. Ensure sufficient space around the ampissiqlik tarqalishi uchun ko'taruvchi.
Rasm: yuqori view of the Legacy LA978 amplifier, showing its compact design and heat sink fins. This image illustrates the overall physical appearance of the unit.
Quvvat ulanishlari
- +12V (Quvvat): Connect directly to the positive terminal of the vehicle's battery using a fuse holder within 18 inches of the battery.
- GND (er): Avtomobil shassisining toza, bo'yalmagan metall yuzasiga ulang. Mustahkam ulanishni ta'minlang.
- REM (Masofadan yoqish): Connect to the remote output of your head unit. This wire turns the ampavtomobilingiz stereosi bilan ko'targichni yoqish va o'chirish.
Ovozli kirish ulanishlari
- RCA kirishlari (past darajali): Connect to the RCA pre-amp outputs of your head unit.
- Yuqori darajadagi kirishlar: If your head unit does not have RCA outputs, use the high-level inputs by connecting them to your speaker wires.
Karnayning chiqish ulanishlari
- Stereo rejimi (2 kanalli): Connect one speaker to the left channel outputs (+ and -) and another speaker to the right channel outputs (+ and -).
- Bridged Mode (1-Channel Mono): For higher power output to a single subwoofer, bridge the amplifier. Connect the positive terminal of the speaker to the positive output of one channel and the negative terminal of the speaker to the negative output of the other channel (refer to specific bridging instructions on the amplifier or in a detailed wiring diagram). The LA978 offers 1200 Watts x 1 bridged output.
Foydalanish bo'yicha ko'rsatmalar
O'rnatilgandan so'ng, sozlang ampoptimal ovoz ishlashi uchun ko'targich sozlamalari.
O'zgaruvchan kirish darajasi (daromad) nazorati
Bu nazorat mos keladi amplifier's input sensitivity to the output of your head unit. Start with the gain control at minimum, then slowly increase it until you hear distortion, then back it off slightly. Do not use the gain control as a volume knob.
O'zgaruvchan Hi/Lo elektron krossover tarmog'i
Use the crossover controls to filter frequencies. A Past o'tish filtri (LPF) allows only low frequencies to pass, ideal for subwoofers. A Yuqori o'tish filtri (HPF) allows only high frequencies to pass, ideal for full-range speakers or tweeters. Adjust these settings to match your speakers' capabilities and desired sound.
O'zgaruvchan bass kuchaytirgich
This feature allows you to increase the bass output at a specific frequency. Use sparingly to avoid distortion and potential speaker damage. The amplifier also supports a Masofaviy Bass Boost for convenient adjustment from the driver's seat (remote sold separately or included depending on package).
LED ko'rsatkichlari
- Quvvat ON LED: qachon yonadi ampLift quvvat olmoqda va normal ishlamoqda.
- Himoya LED: qachon yonadi amplifier detects a fault (e.g., thermal overload, short circuit, low voltage). Agar ushbu LED yonib tursa, darhol audio tizimingizni o'chiring va muammoni bartaraf eting.
Xizmat
- Tozalash: Tozalash uchun yumshoq, quruq matodan foydalaning ampQattiq kimyoviy moddalar yoki abraziv tozalagichlardan foydalanmang.
- Ventilyatsiya: Bunga ishonch hosil qiling amplifier's cooling fins are free from dust and obstructions to maintain proper airflow and prevent overheating.
- Ulanishlar: Xavfsiz va korroziyadan xoli ekanligiga ishonch hosil qilish uchun barcha quvvat, tuproq va karnay ulanishlarini vaqti-vaqti bilan tekshiring.
Muammolarni bartaraf qilish; nosozliklarni TUZATISH
Agar siz bilan bog'liq muammolar mavjud bo'lsa ampliifier uchun quyidagi umumiy muammolar va echimlarga murojaat qiling:
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| Quvvat yo'q (Quvvat LED o'chirilgan) | Blown fuse, loose power/ground/remote wire, faulty head unit remote output. | Check fuse, verify all power connections, test remote wire for 12V. |
| Himoya LED yoniq | Short circuit in speaker wiring, amplifier overheating, low voltage. | Check speaker wires for shorts, ensure proper ventilation, verify battery voltage. Allow ampsovutish uchun ko'targich. |
| Ovoz chiqishi yo'q | Loose RCA cables, incorrect gain setting, speaker wires disconnected, head unit settings. | Check all audio connections, adjust gain, verify speaker connections, check head unit output. |
| Buzilgan ovoz | Gain set too high, improper crossover settings, damaged speakers, poor ground connection. | Reduce gain, adjust crossover, inspect speakers, ensure solid ground connection. |
Texnik xususiyatlari
| Xususiyat | Tafsilot |
|---|---|
| Model raqami | LA978 |
| Chiqish quvvati (stereo) | 600 vatt x 2 kanal |
| Output Power (Bridged) | 1200 vatt x 1 kanal |
| Ampko'taruvchi sinf | MOSFET PWM quvvat manbai |
| Kirish darajasini nazorat qilish | O'zgaruvchan daromad |
| Krossover tarmoq | Variable Hi/Lo Electronic |
| Bass Boost | Variable, Remote Capable |
| Kirish empedansi | Hi/Lo Impedance Input |
| Himoya xususiyatlari | Termal / Haddan tashqari yuk / Qisqa tutashuv |
| Turn-On Circuitry | Anti-Thump |
| Olchamlari (H x G x L) | 2.09" H x 12.17" W x 13.50" L (Product Description) |
| Element og'irligi | 10.4 funt |
| Mahsulot o'lchamlari | 19.29 x 13.9 x 4.53 inches (Packaging/Shipping) |
| ASIN | B000MCELBU |
| UPC | 068888880664 |
Kafolat haqida ma'lumot
The LEGACY LA978 ampliifier a bilan keladi 1 Yil Cheklangan Kafolat from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, misuse, abuse, neglect, unauthorized repair, or modification. Please retain your proof of purchase for warranty claims.
Qo'llab-quvvatlash
For technical assistance, troubleshooting, or warranty inquiries, please contact LEGACY customer support. Refer to the official LEGACY webeng dolzarb aloqa ma'lumotlari uchun sayt.
Eslatma: Mahsulot spetsifikatsiyalari va xususiyatlari ogohlantirilmasdan o'zgartirilishi mumkin.