1. Pengenalan
This manual provides detailed instructions for the installation, operation, and maintenance of your Quantum QB1500D Beta Series Mono Amplifier. Please read this manual thoroughly before attempting installation or operation to ensure proper function and safety.
The Quantum QB1500D is a high-performance Class AB mono amplifier designed for car audio systems. It features a robust QSINK heat management system and offers significant power output for demanding audio setups.
Figure 1: Quantum QB1500D Beta Series Mono Amppengikat. Imej ini memaparkan amplifier's top surface with its distinctive heatsink fins and the Quantum Audio branding. The overall design is sleek and functional, indicating its role in a car audio system.
2. Persediaan dan Pemasangan
Pemasangan yang betul adalah penting untuk prestasi dan keselamatan yang optimum. Adalah disyorkan agar pemasangan dilakukan oleh profesional yang berkelayakan.
2.1 Sambungan Kuasa
- Kuasa (B+): Connect a heavy-gauge wire directly from the positive terminal of the vehicle's battery to the amplifier's B+ terminal. Ensure an inline fuse (not supplied) is installed within 18 inches of the battery.
- Tanah (GND): Connect a heavy-gauge wire from the amplifier's GND terminal to a clean, unpainted metal surface on the vehicle's chassis. The ground point should be as short as possible.
- Alat Kawalan Jauh (REM): Connect a wire from the vehicle's head unit's remote output to the amplifier's REM terminal. This turns the amplifier on and off with the head unit.
2.2 Sambungan Input Audio
- Input RCA: Sambungkan kabel RCA daripada pra-unit kepala andaamp output kepada amplifier's RCA input jacks. The amplifier features buffered pre-amp input circuitry.
- RCA Line Outputs: Full range RCA line outputs are provided for daisy-chaining additional amppenyelamat.
2.3 Sambungan Output Pembesar Suara
- Sambungkan subwoofer anda ke amplifier's speaker output terminals. The QB1500D is a mono amplifier designed for subwoofer applications. Ensure the total impedance of the connected speakers is within the amplifier's rated specifications (2 Ohm stable).
- The amplifier uses direct-connect integrated speaker wire terminals.
2.4 Pencantuman
The amplifier uses ATC type fuses. The recommended fuse configuration is 4 x 20 amp fuses, totaling 80 amps. Always replace fuses with the same type and rating.
3. Arahan Operasi
The QB1500D amplifier offers several controls to fine-tune your audio system.
- Kawalan Tahap Input: This variable control matches the amplifier's input sensitivity to the output level of your head unit. Start with the control at minimum and slowly increase until desired volume is achieved without distortion.
- Low Pass Crossover (LPF): The continuously variable 12dB low-pass crossover allows you to set the upper frequency limit for the amplifier's output, typically used to send only low frequencies to subwoofers.
- Peningkatan Bass: A continuously variable 12dB bass boost at 45Hz allows for enhancement of low-frequency output. Use this feature judiciously to avoid distortion or damage to speakers.
- Penapis Subsonik: The continuously variable subsonic filter (15-55Hz) removes extremely low frequencies that are inaudible but can waste amplifier power and damage subwoofers. Adjust this to protect your subwoofers from over-excursion.
- Bass Remote Capability: The amplifier supports an optional bass remote (sold separately) for convenient level adjustment from the driver's seat.
4. Penyelenggaraan
The Quantum QB1500D ampPengisi kuasa direka bentuk untuk operasi yang andal dengan penyelenggaraan yang minimum.
- Pembersihan: Lap secara berkala ampLap bahagian luar penapis dengan kain yang lembut dan kering. Elakkan menggunakan bahan kimia yang keras atau pembersih yang kasar.
- Pengurusan Haba: The QSINK heat management system is designed to dissipate heat efficiently. Ensure the amplifier is installed in a location with adequate airflow and is not covered or obstructed. Overheating can lead to thermal shutdown and reduced performance.
- Sambungan: Periodically check all power, ground, remote, and speaker connections to ensure they are secure and free from corrosion. Loose connections can cause poor performance or damage.
5. Penyelesaian masalah
Jika anda mengalami masalah dengan anda amplifier, rujuk kepada masalah dan penyelesaian biasa berikut:
- Tiada Kuasa:
- Check the inline fuse near the battery and the fuses on the amplebih hidup.
- Verify all power, ground, and remote connections are secure and have proper voltage.
- Tiada Output Audio:
- Ensure RCA input cables are securely connected to both the head unit and the amplebih hidup.
- Periksa sambungan wayar pembesar suara untuk kekutuban yang betul dan sentuhan selamat.
- Verify the head unit is powered on and outputting audio.
- Bunyi Herot:
- Adjust the input level control to prevent clipping.
- Check speaker impedance to ensure it matches the ampkeupayaan liifier.
- Ensure proper settings for the low-pass crossover, bass boost, and subsonic filter.
- Amplifier Overheating (Thermal Shutdown):
- Pastikan pengudaraan yang mencukupi di sekeliling amplebih hidup.
- Check speaker impedance; running below the minimum rated impedance can cause excessive heat.
- Reduce the input level or bass boost settings.
- DC Short Circuit Protection: The amplifier is equipped with DC short circuit protection. If this protection activates, the amplifier will shut down. Check all speaker wiring for shorts to ground or between positive and negative terminals.
6. Spesifikasi
| Model | QB1500D |
| Circuitry Type | Class AB Mono Amplebih hidup |
| Dinilai Voltage | 14.4 Volt |
| Output Kuasa (4 Ohm) | 1 x 750 Watt |
| Output Kuasa (2 Ohm) | 1 x 1500 Watt |
| Pengurusan Haba | QSINK System |
| pra-amp Input | Buffered Circuitry |
| Crossover Pas Rendah | Continuously Variable 12dB |
| Bass Boost | Continuously Variable 12dB @ 45Hz |
| Penapis Subsonik | Continuously Variable (15-55Hz) |
| Speaker/Power Terminals | Direct-Connect Integrated |
| Keluaran RCA | Full Range for Daisy Chain |
| Bekalan Kuasa | DC-DC PWM |
| Perlindungan | Perlindungan Litar pintas DC |
| Jenis Fius | ATC 4 x 20 Amp |
| Dimensi Produk | 43.18 x 22.86 x 6.35 cm |
| Berat Barang | 5.44 kg |
7. Waranti dan Sokongan
Specific warranty information for the Quantum QB1500D amplifier is not provided in this manual. Please refer to the warranty card included with your product or contact Quantum customer support for details regarding warranty coverage and service.
For technical support or further assistance, please visit the official Quantum Audio webtapak atau hubungi bahagian perkhidmatan pelanggan mereka.
