1. Introduzzjoni
Thank you for choosing the NVX VAD8402v2 2-Channel Class D Amplifier. Dan 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. Informazzjoni dwar is-Sigurtà
Prekawzjonijiet ta' Sigurtà Importanti:
- Dejjem skonnettja t-terminal negattiv tal-batterija tal-vettura qabel tibda kwalunkwe xogħol elettriku.
- Tiżgura ert xieraq tal- amprinfurzatur għax-xażi tal-vettura.
- Uża wajers ta' daqs xieraq għall-konnessjonijiet tal-enerġija, tal-art, u tal-ispikers kif speċifikat f'dan il-manwal.
- Evita li tinstalla l- ampLififier f'postijiet esposti għax-xemx diretta, sħana eċċessiva, umdità, jew trab.
- Immonta b'mod sikur il- amplifier to prevent movement during vehicle operation.
- Tħaddimx il- amplifier if it is damaged or malfunctioning. Refer servicing to qualified personnel.
- Maintain a safe listening volume to prevent hearing damage.
3. Kontenut tal-Pakkett
Ivverifika li l-oġġetti kollha huma preżenti fil-pakkett:
- NVX VAD8402v2 2-Channel Class D Ampaktar ħaj
- Buttuna tal-Bass mill-Bogħod bil-Kejbil
- Ħardwer tal-Immuntar
- Manwal għall-Utent (dan id-dokument)
Image 1: NVX VAD8402v2 Amplifier with included remote bass knob.
Image 2: Close-up of the remote bass knob and its connecting cable.
4. Karatteristiċi tal-prodott
- 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.
- Personalizzazzjoni tal-awdjo: 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.
- Disinn Durabbli: Features LED indicator lighting, 3-way protection circuitry, heavy-duty aluminum alloy heat sink, platinum-plated RCA level inputs, and screw terminals.
- Daqs kompatt: Dimensions of 9.2"L x 7.2"W x 2.0"H for flexible installation.
5. Setup u Installazzjoni
Installazzjoni xierqa hija kruċjali għal prestazzjoni u sigurtà ottimali. Jekk m'intix ċert dwar xi passi, ikkonsulta installatur professjonali.
5.1 Post tal-Immuntar
- Choose a location that provides adequate ventilation for the ampaktar ħaj.
- Ensure the mounting surface is solid and secure.
- Avoid areas prone to excessive vibration, heat, moisture, or dust.
- Allow sufficient space around the amplifier for wiring connections and adjustments.
5.2 Konnessjonijiet tal-Wiring
Refer to the diagrams below for proper wiring.
Immaġni 3: Fuq view tal- amplifier showing input and control panel.
Immaġni 4: Il-qiegħ view tal- amplifier showing power, ground, remote, and speaker terminals.
- Konnessjoni tal-Enerġija (+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.
- Konnessjoni mal-art (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.
- Tixgħel mill-Bogħod (REM): Qabbad wajer ta' tixgħel mill-bogħod mill-output remot tal-unità ewlenija tiegħek mat-terminal REM fuq amplififikatur. Dan il-wajer jagħti sinjal lill- amplifer biex jixgħel u jitfi mas-sistema awdjo tiegħek.
- Input RCA: Connect RCA cables from your head unit's pre-out to the INPUT L and R RCA jacks on the ampaktar ħaj.
- Riżultat tal-Kelliem: 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. Istruzzjonijiet Operattivi
The VAD8402v2 amplifier features several controls to fine-tune your audio system.
Immaġni 5: Dettaljata view tal- ampil-pannell tal-kontroll tal-lifer.
6.1 Gwadan Kontroll
Il-kontroll tal-GAIN jaqbel mal- 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 (Filtru Pass Għoli): Allows frequencies above the set point to pass through. Useful for full-range speakers to prevent low bass distortion.
- LPF (Filtru Pass Baxx): Jippermetti li jgħaddu frekwenzi taħt il-punt issettjat. Tipikament jintuża għas-subwoofers.
- SĦIĦA: Jiddiżattiva l-crossover, u jippermetti li l-frekwenzi kollha jgħaddu.
Adjust the HPF and LPF frequency knobs (40 - 500 Hz) according to your speaker specifications and desired sound.
6.3 Bass Boost
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 Remote Bass Knob
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. Manutenzjoni
- Żomm il- ampIl-lavatur ikun nadif u ħieles mit-trab. Uża drapp artab u niexef għat-tindif.
- Ensure all wiring connections remain secure. Periodically check for loose connections.
- Twaqqafx amplifier's cooling fins or ventilation areas.
- Jekk il- amplifier becomes excessively hot, check for proper ventilation and speaker impedance.
8 Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Bla Qawwa / Amplifier Mhux Mixgħul | Blown fuse, loose power/ground/remote wire, faulty remote turn-on signal. | Check fuse, verify all power connections, test remote wire for +12V when head unit is on. |
| Ebda Output tal-Ħoss | Kejbils RCA maħlula, issettjar tal-qligħ mhux korrett, wajers tal-ispiker skonnettjati, amplifier fil-modalità ta' protezzjoni. | Check RCA connections, adjust gain, verify speaker wiring, check protection indicator. |
| Ħoss Mgħawġ | Gain set too high, improper crossover settings, faulty speakers, low input voltage. | Reduce gain, adjust crossover, check speaker condition, ensure stable power supply. |
| AmpTisħin żejjed tal-lifer | Insufficient ventilation, low speaker impedance, prolonged high-volume operation. | Improve ventilation, verify speaker impedance (should be 2-4 ohms per channel), reduce volume. |
9. Speċifikazzjonijiet
| Karatteristika | Dettall |
|---|---|
| Numru tal-Mudell | VAD8402v2 |
| Kanali | 2-Kanal |
| AmpKlassi lifier | Klassi D |
| L-ogħla qawwa | 1680 Watts |
| Qawwa RMS (4 Ohms) | 300W x 2 kanali |
| Qawwa RMS (2 Ohms) | 420W x 2 kanali |
| Qawwa RMS (Bridged 4 Ohms) | 840W x 1 channel |
| Voltage | 12 Volt (Nominali) |
| Filtru Pass Għoli (HPF) | 40 - 500 Hz |
| Filtru tal-Pass Baxx (LPF) | 40 - 500 Hz |
| Dimensjonijiet (L x W x H) | 9.2" x 7.2" x 2.0" (23.37 x 18.29 x 5.08 cm approx.) |
| Piż | 2.56 kg (madwar) |
| Ċertifikazzjoni | Ċertifikat Marittimu |
10. Garanzija u Appoġġ
NVX products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please visit the official NVX webis-sit jew ikkuntattja lin-negozjant awtorizzat tiegħek. Żomm l-irċevuta tax-xiri tiegħek bħala prova tax-xiri.
