1. Pengenalan
Thank you for choosing the NVX VAD8402v2 2-Channel Class D Amppengikat. ini amplifier is designed to deliver high-quality audio performance for car, marine, and powersports applications. Featuring a compact design, robust power output, and marine-grade construction, the VAD8402v2 ensures reliable operation in various environments. Please read this manual thoroughly before installation and operation to ensure proper use and maximum performance.
2. Maklumat Keselamatan
Langkah-langkah Keselamatan Penting:
- Sentiasa putuskan sambungan terminal negatif bateri kenderaan sebelum memulakan sebarang kerja elektrik.
- Pastikan pembumian yang betul amppengalir ke casis kenderaan.
- Gunakan pendawaian tolok yang sesuai untuk sambungan kuasa, pembumian dan pembesar suara seperti yang dinyatakan dalam manual ini.
- Elakkan memasang amppenghawa dingin di lokasi yang terdedah kepada cahaya matahari langsung, haba berlebihan, kelembapan atau habuk.
- Pasang dengan selamat amppengalir untuk mengelakkan pergerakan semasa pengendalian kenderaan.
- Jangan kendalikan amplifier if it is damaged or malfunctioning. Refer servicing to qualified personnel.
- Maintain a safe listening volume to prevent hearing damage.
3. Kandungan Pakej
Sahkan bahawa semua item terdapat dalam pakej:
- NVX VAD8402v2 2-Channel Class D Amplebih hidup
- Remote Bass Knob with Cable
- Perkakasan Pemasangan
- Manual Pengguna (dokumen ini)
Image 1: NVX VAD8402v2 Amplifier with included remote bass knob.
Image 2: Close-up of the remote bass knob and its connecting cable.
4. Ciri-ciri Produk
- Peak Power Performance: 1680 Watts peak power for enhanced audio output.
- Robust RMS Power: Consistent sound with 300W x 2 chan. at 4 ohms, 420W x 2 chan. at 2 ohms, and 840W x 1 chan. bridged at 4 ohms.
- Penyesuaian Audio: Variable high-pass and low-pass filters (40 - 500 Hz) and variable bass boost for precise sound tuning.
- Marine Certified Construction: Conformally coated, marine-grade circuit board for durability in harsh environments.
- Reka bentuk tahan lasak: Features LED indicator lighting, 3-way protection circuitry, heavy-duty aluminum alloy heat sink, platinum-plated RCA level inputs, and screw terminals.
- Saiz padat: Dimensions of 9.2"L x 7.2"W x 2.0"H for flexible installation.
5. Persediaan dan Pemasangan
Pemasangan yang betul adalah penting untuk prestasi dan keselamatan yang optimum. Jika anda tidak pasti tentang sebarang langkah, rujuk pemasang profesional.
5.1 Lokasi Pemasangan
- Choose a location that provides adequate ventilation for the amplebih hidup.
- Ensure the mounting surface is solid and secure.
- Avoid areas prone to excessive vibration, heat, moisture, or dust.
- Berikan ruang yang mencukupi di sekeliling amplifier for wiring connections and adjustments.
5.2 Sambungan Pendawaian
Refer to the diagrams below for proper wiring.
Imej 3: Atas view daripada amplifier showing input and control panel.
Imej 4: Bawah view daripada ampPengaktif yang menunjukkan kuasa, pembumian, alat kawalan jauh dan terminal pembesar suara.
- Sambungan Kuasa (+12V): Connect a fused power cable (minimum 8 AWG recommended) directly from the positive terminal of the vehicle's battery to the +12V terminal on the amplifier. Install the fuse holder within 18 inches (45 cm) of the battery.
- Sambungan Tanah (GND): Connect a ground cable (minimum 8 AWG recommended) from the GND terminal on the amplifier to a clean, unpainted metal surface of the vehicle chassis. Ensure a solid electrical connection.
- Penghidupan Jauh (REM): Sambungkan wayar hidup jauh dari output jauh unit kepala anda ke terminal REM pada amppengikat. Wayar ini memberi isyarat kepada amplampu untuk menghidupkan dan mematikan sistem audio anda.
- Input RCA: Connect RCA cables from your head unit's pre-out to the INPUT L and R RCA jacks on the amplebih hidup.
- Output pembesar suara: Connect your speakers to the SPK OUT terminals. Ensure correct polarity (+ to + and - to -). For bridged operation, refer to the specific bridging instructions in the full manual (not provided here, but implied).
6. Arahan Operasi
The VAD8402v2 amplifier features several controls to fine-tune your audio system.
Imej 5: Terperinci view daripada amppanel kawalan lifier.
6.1 Dapatkan Kawalan
Kawalan GAIN sepadan dengan amplifier's input sensitivity to the output of your head unit. Start with the gain at minimum and slowly increase it until you hear distortion, then back off slightly. Do not use the gain control as a volume knob.
6.2 Crossover (X-OVER)
The X-OVER switch allows you to select the type of filter:
- HPF (Penapis Lulus Tinggi): Allows frequencies above the set point to pass through. Useful for full-range speakers to prevent low bass distortion.
- LPF (Penapis Lulus Rendah): Membenarkan frekuensi di bawah titik set untuk melaluinya. Biasanya digunakan untuk subwoofer.
- PENUH: Melumpuhkan crossover, membenarkan semua frekuensi melaluinya.
Adjust the HPF and LPF frequency knobs (40 - 500 Hz) according to your speaker specifications and desired sound.
6.3 Peningkatan Bass
The BASS BOOST control allows you to increase the bass output at a specific frequency. Use this feature sparingly to avoid distortion and potential speaker damage.
6.4 Tombol Bes Kawalan Jauh
Connect the remote bass knob to the "REMOTE" port on the amplifier. This allows for convenient adjustment of the bass level from your listening position.
7. Penyelenggaraan
- Simpan ampPastikan penghawa dingin bersih dan bebas daripada habuk. Gunakan kain lembut dan kering untuk membersihkan.
- Ensure all wiring connections remain secure. Periodically check for loose connections.
- Jangan sekat amplifier's cooling fins or ventilation areas.
- Sekiranya amplifier becomes excessively hot, check for proper ventilation and speaker impedance.
8. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada Kuasa / AmpPemanas Tidak Menghidupkan | Fius putus, wayar kuasa/pembumian/alat kawalan jauh longgar, isyarat hidup alat kawalan jauh yang rosak. | Check fuse, verify all power connections, test remote wire for +12V when head unit is on. |
| Tiada Keluaran Bunyi | Kabel RCA longgar, tetapan gandaan yang salah, wayar pembesar suara terputus, amppenguat dalam mod perlindungan. | Check RCA connections, adjust gain, verify speaker wiring, check protection indicator. |
| Bunyi Herot | Gain set too high, improper crossover settings, faulty speakers, low input voltage. | Reduce gain, adjust crossover, check speaker condition, ensure stable power supply. |
| Amplifier Terlalu Panas | Insufficient ventilation, low speaker impedance, prolonged high-volume operation. | Improve ventilation, verify speaker impedance (should be 2-4 ohms per channel), reduce volume. |
9. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | VAD8402v2 |
| Saluran | 2-Saluran |
| AmpKelas yang lebih hidup | Kelas D |
| Kuasa Puncak | 1680 Watt |
| Kuasa RMS (4 Ohm) | Saluran 300W x 2 |
| Kuasa RMS (2 Ohm) | Saluran 420W x 2 |
| RMS Power (Bridged 4 Ohms) | 840W x 1 channel |
| Voltage | 12 Volt (Nominal) |
| Penapis Lulus Tinggi (HPF) | 40 - 500 Hz |
| Penapis Lulus Rendah (LPF) | 40 - 500 Hz |
| Dimensi (L x W x H) | 9.2" x 7.2" x 2.0" (23.37 x 18.29 x 5.08 cm approx.) |
| Berat badan | 2.56 kg (lebih kurang) |
| Pensijilan | Diperakui Marin |
10. Waranti dan Sokongan
NVX products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please visit the official NVX webtapak atau hubungi pengedar sah anda. Simpan resit pembelian anda sebagai bukti pembelian.
