1. Introduzzjoni
This manual provides detailed instructions for the installation, operation, and maintenance of your Quantum Class AB 4 Channel Amplifier, model QPX20004. Please read this manual thoroughly before attempting to install or operate the amplifier to ensure proper function and to prevent damage to the unit or your vehicle's audio system. Retain this manual for future reference.
2. Informazzjoni dwar is-Sigurtà
- Installazzjoni Professjonali Rakkomandata: For optimal performance and safety, professional installation by a qualified technician is highly recommended.
- Skonnettjar tal-Enerġija: Always disconnect the vehicle's negative battery terminal before starting any installation work to prevent electrical shorts.
- Wiring kif suppost: Ensure all wiring is correctly connected and insulated to prevent short circuits and potential damage. Use appropriate gauge wires for power and ground connections.
- Ventilazzjoni: Installa l- amplifier in a location that allows for adequate ventilation. Avoid covering the amplifier or installing it in enclosed spaces where heat cannot dissipate.
- Umdità u Sħana: Tesponix il- amplifier to moisture, water, or extreme temperatures.
- Protezzjoni tal-fjus: Always use the correct fuse rating as specified in the specifications section.
- Protezzjoni tas-Smigħ: Espożizzjoni fit-tul għal livelli għoljin ta’ volum tista’ tikkawża ħsara permanenti fis-smigħ. Aġġusta l-volum għal livell sigur.
3. Kontenut tal-Pakkett
Ivverifika li l-oġġetti kollha huma preżenti fil-pakkett:
- Quantum Class AB 4 Channel Amplifier QPX20004
- Manwal ta 'Istruzzjoni (dan id-dokument)
- Mounting Hardware (screws, etc. - oġġetti speċifiċi jistgħu jvarjaw)
4. Karatteristiċi
- Class A/B Circuitry: Delivers high-quality audio reproduction.
- Output ta '4-Kanali: Provides power for multiple speakers.
- Variable Crossover Network: Allows customization of frequency distribution to speakers (high-pass and low-pass filters).
- Stabbli ta' 2 Ohm: Capable of handling a 2 Ohm load in stereo mode.
- Spinta tal-Bass Aġġustabbli: Offers 0, 6, or 12 dB bass boost settings.
- High-Efficiency MOSFET Design: For optimal power efficiency.
- Protezzjoni ta' Short Circuit tal-Ispeaker: Integrated safety feature.
- Buffered Line Output: For easy daisy-chaining to additional ampliifikaturi.
- Disinn kompatt: Dimensions of 13.7 inches x 8.6 inches x 1.96 inches.
5. Setup
5.1 Immuntar tal- Ampaktar ħaj
Agħżel post tal-immuntar li jkun niexef, ventilat sew, u sigur. Evita li twaħħal il- amplifier directly on carpet or in areas prone to excessive vibration or heat. Ensure sufficient space around the amplifier għaċ-ċirkolazzjoni tal-arja.
- Poġġi l- amplifier in the desired location and mark the mounting holes.
- Drill pilot holes if necessary, ensuring no wires or fuel lines are damaged.
- Sikura l- amplifier bl-użu tal-viti tal-immuntar provduti.
5.2 Konnessjonijiet tal-Wiring
Before making any connections, ensure the vehicle's battery is disconnected. Refer to the diagram below for visual guidance on connections (Note: A generic connection diagram is described as no specific diagram is provided.)
This image displays the Quantum Class AB 4 Channel Amplifier QPX20004. The amplifier features a black, ribbed casing designed for heat dissipation. The 'Quantum Audio' logo is centrally located on the top surface and is illuminated with an amber glow. Below the logo, the model number 'QPX20004' and '4 CHANNEL AMPLIFIER' are visible, along with '2200 WATTS' on the right side. The overall design is sleek and functional.
5.2.1 Konnessjoni tal-Enerġija
- Qabbad il- +12V (B+) terminali tal- amplifier to the positive terminal of the vehicle's battery using a heavy-gauge power cable. Install an in-line fuse holder within 18 inches (45 cm) of the battery.
- Qabbad il- GND (Art) terminali tal- amplifier to a clean, unpainted metal surface of the vehicle chassis. Ensure a solid, low-resistance connection.
- Qabbad il- REM (Mixgħul mill-Bogħod) terminal to the remote output lead of your head unit. This wire turns the amplifier mixgħul u mitfi bl-istereo tiegħek.
5.2.2 Konnessjonijiet tal-Ispeaker
- Qabbad il-kelliema tiegħek mal- amplifier's speaker output terminals (CH1, CH2, CH3, CH4). Ensure correct polarity (+ to + and - to -).
- Dan amplifier is 2 Ohm stable in stereo mode. Verify your speaker impedance before connecting.
5.2.3 Signal Input Connection
- Connect the RCA output cables from your head unit to the amplifier's RCA input jacks (INPUT CH1/2, INPUT CH3/4).
6. It-tħaddim tal- Ampaktar ħaj
6.1 Aġġustament tal-gwadann
The gain control (often labeled 'LEVEL') matches the amplifier's input sensitivity to the output of your head unit. Start with the gain set to minimum. Play a familiar track at about 75% of your head unit's maximum volume. Slowly increase the amplifier's gain until you hear distortion, then back it off slightly.
6.2 Variable Crossover Network
The QPX20004 features variable high-pass (HPF) and low-pass (LPF) crossovers for each channel pair (CH1/2 and CH3/4). These allow you to direct specific frequency ranges to your speakers, optimizing sound quality and protecting speakers from frequencies they cannot reproduce.
- HPF (Filtru Pass Għoli): Allows frequencies hawn fuq the set point to pass through. Useful for full-range speakers or tweeters to prevent low bass.
- LPF (Filtru Low-Pass): Allows frequencies hawn taħt the set point to pass through. Essential for subwoofers to prevent high frequencies.
- Adjust the crossover points according to your speaker types and desired sound.
6.3 Bass Boost
The bass boost control allows you to enhance low frequencies at 0, 6, or 12 dB. Use this feature sparingly and adjust carefully to avoid distortion or damage to speakers, especially subwoofers.
6.4 Buffered Line Output
The buffered line output provides an RCA signal that can be used to daisy-chain the audio signal to another amplifier without signal degradation. Connect an RCA cable from this output to the input of the next ampaktar ħaj.
7. Manutenzjoni
- Tindif: Naddaf perjodikament il ampNaddaf il-barra tal-lifer b'ċarruta ratba u niexfa. Tużax kimiċi ħarxa jew prodotti tat-tindif li joborxu.
- Ventilazzjoni: Ensure the cooling fins remain free of dust and debris to maintain proper heat dissipation.
- Konnessjonijiet: Kultant iċċekkja l-konnessjonijiet tal-wajers kollha biex tiżgura li huma sikuri u ħielsa mill-korrużjoni.
8 Issolvi l-problemi
Jekk tesperjenza problemi ma tiegħek amplifier, ikkonsulta t-tabella li ġejja qabel ma tikkuntattja l-appoġġ.
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Bla Qawwa / Amplifier Mhux Mixgħul | Fjus maħruq; Wajer tal-enerġija/art/remote maħlul; Sinjal difettuż tal-mixgħul mill-remote. | Check and replace fuse; Verify all power, ground, and remote connections; Test remote wire for 12V signal. |
| Ebda Output tal-Ħoss | RCA cables disconnected; Speaker wires disconnected or shorted; Gain set too low; Head unit not providing signal. | Check RCA connections; Inspect speaker wiring for shorts or disconnections; Adjust gain; Verify head unit output. |
| Ħoss Mgħawġ | Gain set too high; Speaker impedance too low; Faulty speakers; Poor ground connection. | Reduce gain; Verify speaker impedance is within limits; Test speakers; Check ground connection for tightness. |
| Amplifier Overheating (Protection Mode) | Insufficient ventilation; Speaker impedance too low; Prolonged high volume use. | Ensure adequate airflow around amplifer; Ivverifika l-impedenza tal-ispiker; Naqqas il-volum jew ħalli amplifier biex jiksaħ. |
9. Speċifikazzjonijiet
| Karatteristika | Speċifikazzjoni |
|---|---|
| Mudell | QPX20004 |
| AmpKlassi lifier | Klassi AB |
| Kanali | 4 Kanal |
| Qawwa tal-Ħruġ | Up to 2200 Watts (Peak) |
| Impedenza Minima (Stereo) | 2 Ohms |
| Tip ta 'Crossover | Variable High-Pass and Low-Pass |
| Boost Boost | 0, 6, 12 dB |
| Dimensjonijiet (L x W x H) | 13.7 pulzieri x 8.6 pulzieri x 1.96 pulzieri |
| Piż tal-oġġett | 5.52 liri |
| Manifattur | Awdjo Quantum |
10. Garanzija u Appoġġ
Quantum Audio products are designed for reliability and performance. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Quantum Audio website. In case of technical issues or questions not covered in this manual, please contact Quantum Audio customer support or your authorized dealer for assistance.
