1. Pengenalan
Manual ini menyediakan maklumat penting untuk pemasangan, pengendalian dan penyelenggaraan JBL S anda yang betul.tage GT90041 4-channel car amppengalir. Sila baca manual ini dengan teliti sebelum cuba memasang atau mengendalikan amppenggalak untuk memastikan prestasi dan keselamatan yang optimum.
JBL Stage GT90041 is designed to deliver high-quality audio amplification for your vehicle's sound system, featuring 130 watts RMS per channel and a peak power output of 1480 watts. Its 4-channel configuration and bridgeable capability offer flexibility for various audio setups.
2. Maklumat Keselamatan
Sentiasa patuhi langkah berjaga-jaga keselamatan berikut untuk mengelakkan kecederaan atau kerosakan pada amplifier and vehicle:
- Putuskan Sambungan Bateri: Sebelum memulakan sebarang pemasangan, cabut terminal bateri negatif kenderaan untuk mengelakkan seluar pendek elektrik.
- Pemasangan Profesional: If you are unsure about the installation process, seek assistance from a qualified professional.
- Pendawaian yang betul: Ensure all wiring is correctly connected and insulated to prevent short circuits and electrical hazards. Use appropriate gauge wires as specified in the setup section.
- Pengudaraan: Pasangkan amplifier in a location that allows for adequate ventilation to prevent overheating. Do not block cooling fins.
- Elakkan Kelembapan: Jangan dedahkan amplifier to moisture or water.
- Pemasangan selamat: Lekapkan amplifier securely to prevent it from becoming a projectile in the event of a sudden stop or collision.
3. Kandungan Pakej
Sahkan bahawa semua item terdapat dalam pakej:
- JBL Stage GT90041 Car Amplebih hidup
- Manual Pemilik (dokumen ini)
- Perkakasan Pemasangan (skru, pencuci)
4. Persediaan
4.1. Memasang Amplebih hidup
Choose a mounting location that is dry, well-ventilated, and secure. Common locations include under a seat, in the trunk, or on a custom amplifier rack. Ensure the amplifier's cooling fins are not obstructed.

Imej: Sisi view daripada JBL Stage GT90041 Car Amplifier, showing its compact design and heat-dissipating fins. This view highlights the overall form factor suitable for various mounting locations.
- Letakkan amplifier in the desired mounting location and mark the screw holes.
- Drill pilot holes if necessary, ensuring no wires or fuel lines are damaged.
- Selamatkan amppengalir menggunakan skru pelekap yang disediakan.
4.2. Sambungan Pendawaian
Proper wiring is crucial for performance and safety. Refer to the diagram below for connection points.

Imej: Panel belakang JBL Stage GT90041 Car Amplifier, displaying the power input terminals (GND, REM, +12V), fuse slots (30A), and speaker output terminals. This view is essential for understanding wiring connections.
- Sambungan Kuasa: Connect the +12V terminal to the vehicle's positive battery terminal using a heavy-gauge power cable (e.g., 4-gauge). Install an in-line fuse (not supplied) within 18 inches of the battery.
- Sambungan Tanah: Connect the GND terminal to a clean, unpainted metal surface on the vehicle chassis using a heavy-gauge ground cable of the same size as the power cable. The ground point should be as short as possible.
- Hidupkan Jauh: Connect the REM terminal to the remote turn-on output of your head unit. This wire signals the amplampu untuk dihidupkan apabila unit kepala aktif.
- Input Audio: Connect the RCA audio cables from your head unit's pre-amp output kepada ampbicu input RCA lifier.
- Output pembesar suara: Sambungkan pembesar suara anda ke amplifier's speaker output terminals. Ensure correct polarity (+ to + and - to -). For bridged operation, refer to the specific bridging instructions in your head unit or speaker manual.
5. Arahan Operasi
5.1. Permulaan Kuasa
After all connections are made and verified, reconnect the vehicle's negative battery terminal. Turn on your head unit. The amplifier should power on, indicated by an LED indicator (if present).
5.2. Adjusting Gain and Crossover
The amplifier features adjustable gain controls to match the output of your head unit and crossover settings to optimize sound for your speakers.
- Kawalan Keuntungan: Start with the gain control set to minimum. Play a familiar track at about 75% of your head unit's maximum volume. Slowly increase the ampgandaan lampu sehingga anda mendengar herotan, kemudian undur sedikit.
- Silang (HPF/LPF): Adjust the High-Pass Filter (HPF) for full-range speakers to prevent low frequencies from distorting them. Adjust the Low-Pass Filter (LPF) for subwoofers to only allow low frequencies.
5.3. Bass EQ Control
The Bass EQ control allows you to boost low frequencies. Use this feature sparingly and adjust carefully to avoid speaker damage or excessive distortion. Start with the Bass EQ at its minimum setting and increase gradually to achieve the desired bass response.
6. Penyelenggaraan
JBL Stage GT90041 amplifier requires minimal maintenance. Follow these guidelines to ensure longevity:
- Pembersihan: Lap secara berkala ampLap bahagian luar penapis dengan kain yang lembut dan kering. Jangan gunakan bahan kimia yang keras atau pembersih yang kasar.
- Pengudaraan: Ensure the cooling fins remain free of dust and debris to maintain proper heat dissipation.
- Sambungan: Periksa semua sambungan pendawaian dari semasa ke semasa untuk memastikan ia kukuh dan bebas daripada kakisan.
- Penggantian fius: If a fuse blows, replace it only with a fuse of the same type and rating (30A). Using an incorrect fuse can cause damage or fire.
7. Penyelesaian masalah
Jika anda mengalami masalah dengan anda amplifier, consult the table below for common problems and solutions:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa/Tiada bunyi | Blown fuse; Loose power/ground connection; No remote turn-on signal | Check and replace fuses; Verify all power and ground connections; Check remote wire connection to head unit. |
| Bunyi herot | Tetapan gandaan terlalu tinggi; Tetapan crossover yang tidak betul; Ketidakpadanan impedans pembesar suara | Reduce gain; Adjust crossover settings; Verify speaker impedance is compatible with amplebih hidup. |
| Ampliifier terlalu panas | Insufficient ventilation; Overloading amplifier; Low impedance speakers | Pastikan aliran udara yang betul di sekeliling amplifier; Check speaker wiring for shorts; Verify speaker impedance. |
| No bass output | LPF (Low-Pass Filter) not engaged or set too high; Bass EQ set too low | Adjust LPF to appropriate frequency for subwoofers; Increase Bass EQ gradually. |
8. Spesifikasi
Key technical specifications for the JBL Stage GT90041 Car Amplebih hidup:
| Ciri | Spesifikasi |
|---|---|
| Nombor Model | Stage GT90041 |
| Jenama | JBL |
| Bilangan Saluran | 4 |
| Output Power (RMS per channel) | 130 Watt |
| Kuasa Puncak | 1480 Watt |
| Dimensi Item (L x W x H) | 30 x 25 x 5 Sentimeter |
| Berat Barang | 1 Gram |
| Jenis Pemasangan | Freestanding |
| Spesifikasi Met | CE, FCC |
| UPC | 050036412902 |
9. Waranti dan Sokongan
JBL Stage GT90041 Car Amplifier comes with a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including the duration and coverage details. Keep your purchase receipt as proof of purchase for warranty claims.
For technical support, service, or warranty inquiries, please contact JBL customer service or visit the official JBL website for contact information specific to your region. Ensure you have your model number (Stage GT90041) and proof of purchase available when contacting support.