1. ບົດແນະນຳ
Thank you for choosing the Altec Lansing ALX-2824LA Portable Line Array Speaker System. This manual provides essential information for the safe and efficient setup, operation, and maintenance of your new audio system. Please read this manual thoroughly before using the product and retain it for future reference.
The ALX-2824LA is a powerful and portable professional audio solution featuring a dual 8-inch active subwoofer and two stacked speaker tops, each with dual 4-inch drivers and a 1-inch compression tweeter. Designed for versatile floor staging, its adjustable pole-mount system allows for optimal sound dispersion in various venues.
2. ຂໍ້ມູນຄວາມປອດໄພ
- ແຫຼ່ງພະລັງງານ: Connect the system only to a power supply specified in this manual or on the unit. Ensure the voltage ແມ່ນຖືກຕ້ອງສຳລັບພາກພື້ນຂອງທ່ານ.
- ການລະບາຍອາກາດ: ຢ່າອຸດຕັນຊ່ອງລະບາຍອາກາດ. ຮັບປະກັນໃຫ້ມີກະແສລົມໄຫຼວຽນພຽງພໍອ້ອມຮອບເຄື່ອງເພື່ອປ້ອງກັນຄວາມຮ້ອນເກີນໄປ.
- ນ້ໍາແລະຄວາມຊຸ່ມ: ຢ່າເຮັດໃຫ້ເຄື່ອງໃຊ້ນີ້ຖືກຝົນ ຫຼືຄວາມຊຸ່ມຊື່ນ. ຫ້າມວາງສິ່ງຂອງທີ່ເຕັມໄປດ້ວຍນ້ຳເຊັ່ນ: ໂຖປັດສະວະ, ໃສ່ເຄື່ອງ.
- ຄວາມຮ້ອນ: ຫ້າມວາງເຄື່ອງໄວ້ໃກ້ກັບແຫຼ່ງຄວາມຮ້ອນເຊັ່ນ: ລັງສີ, ເຄື່ອງບັນທຶກຄວາມຮ້ອນ, ເຕົາ ຫຼື ອຸປະກອນອື່ນໆ (ລວມທັງ amplifiers) ທີ່ຜະລິດຄວາມຮ້ອນ.
- ການຈັດວາງ: Ensure the system is placed on a stable, level surface. Use caution when adjusting pole mounts to prevent tipping.
- ການບໍລິການ: ຢ່າພະຍາຍາມບໍລິການຜະລິດຕະພັນນີ້ດ້ວຍຕົນເອງ. ອ້າງເຖິງການບໍລິການທັງtoົດໃຫ້ກັບພະນັກງານບໍລິການທີ່ມີຄຸນວຸດທິ.
- ການປ້ອງກັນການໄດ້ຍິນ: Prolonged exposure to high volume levels can cause permanent hearing damage. Use caution when operating at high volumes.
3. ເນື້ອໃນຊຸດ
ກວດສອບວ່າລາຍການທັງຫມົດແມ່ນມີຢູ່ໃນຊຸດ:
- 1 x ALX-2824LA Active Subwoofer
- 2 x ALX-2824LA Satellite Line Array Speakers
- 2 x Adjustable Pole Mounts
- ສາຍໄຟ
- Audio Cables (XLR)
- ຄູ່ມືຜູ້ໃຊ້ (ເອກະສານນີ້)
4. ຜະລິດຕະພັນເກີນview
The Altec Lansing ALX-2824LA system comprises an active subwoofer and two passive line array satellite speakers, designed for powerful and clear audio reproduction. The system is engineered for portability and ease of setup.

ຮູບ 4.1: ດ້ານຫນ້າ view of the assembled ALX-2824LA system, showing the subwoofer and two stacked satellite speakers on pole mounts.

ຮູບທີ 4.2: ດ້ານໜ້າອີກດ້ານໜຶ່ງ view of the ALX-2824LA system, highlighting the compact and integrated design.

ຮູບ 4.3: ດ້ານຫລັງ view of the assembled ALX-2824LA system, showing the control panel on the subwoofer and connections on the satellite speakers.
4.1. Subwoofer (ALX-2824LA)
The active subwoofer houses the main amplifier and DSP controls. It features dual 8-inch drivers and provides the low-frequency foundation for the system. The rear panel includes power input, audio inputs/outputs, and DSP controls.

Figure 4.4: Close-up of the ALX-2824LA subwoofer rear panel, detailing power, input/output, and DSP controls.
4.2. Satellite Line Array Speakers
Each satellite speaker contains dual 4-inch drivers and a 1-inch compression tweeter, designed to deliver clear mid-range and high-frequency audio. These speakers connect to the subwoofer via XLR cables and are mounted on adjustable poles.

Figure 4.5: Close-up of the ALX-2824LA satellite speaker rear panel, showing input and output connections.
5. ຕັ້ງຄ່າ
Follow these steps to assemble and set up your ALX-2824LA system:
- Unpack ອົງປະກອບ: ເອົາສ່ວນປະກອບທັງຫມົດອອກຈາກການຫຸ້ມຫໍ່ຢ່າງລະມັດລະວັງ.
- Subwoofer ຕໍາແໜ່ງ: Place the ALX-2824LA subwoofer on a stable, level surface in your desired location.
- Install Pole Mounts: Insert the adjustable pole mounts into the designated sockets on top of the subwoofer. Secure them firmly.
- Mount Satellite Speakers: Attach each satellite line array speaker to the top of an adjustable pole mount. Ensure they are securely fastened.
- ເຊື່ອມຕໍ່ລໍາໂພງດາວທຽມ: Using the provided XLR cables, connect the OUTPUT from the subwoofer to the INPUT of the bottom satellite speaker. Then, connect the OUTPUT of the bottom satellite speaker to the INPUT of the top satellite speaker. Repeat for the second stack. (Refer to Figure 4.3 and 4.5 for connection points).
- ເຊື່ອມຕໍ່ແຫຼ່ງສຽງ: Connect your audio source (e.g., mixer, instrument) to the INPUT (XLR or 1/4" TRS) on the rear panel of the subwoofer (Figure 4.4).
- ເຊື່ອມຕໍ່ພະລັງງານ: Ensure the power switch on the subwoofer is in the OFF position. Connect the power cable to the AC IN socket on the subwoofer and then to a suitable power outlet.
- Adjust Speaker Angles/Height: Utilize the adjustable pole mount system to set the desired height and angle for the satellite speakers. This allows for optimal sound projection based on your venue and audience.
6. ຄໍາແນະນໍາການດໍາເນີນງານ
6.1. ເປີດ / ປິດພະລັງງານ
- ເພື່ອເປີດເຄື່ອງ: Ensure all connections are secure and input levels are set to minimum. Flip the power switch on the subwoofer to the ON position. The POWER indicator light will illuminate.
- ປິດເຄື່ອງ: Turn down all volume levels. Flip the power switch on the subwoofer to the OFF position.
6.2. Audio Input and Output
- ປ້ອນຂໍ້ມູນ: The subwoofer features balanced XLR and 1/4" TRS inputs for connecting your audio source.
- ເຊື່ອມຕໍ່ອອກ: Use the LINK OUT XLR connector to send the audio signal to another ALX-2824LA system or other powered speakers.
- SAT. OUT: These XLR outputs send the processed audio signal to the satellite line array speakers.
6.3. ການຄວບຄຸມປະລິມານ
- SAT. LEVEL: Adjusts the output volume for the satellite speakers.
- ລະດັບຍ່ອຍ: Adjusts the output volume for the subwoofer.
- Start with both levels at their minimum and gradually increase to achieve the desired balance and overall volume.
7. DSP Control and Presets
The ALX-2824LA features integrated Digital Signal Processing (DSP) with electronic crossovers, allowing for sound customization. The DSP control panel (Figure 4.4) provides access to various presets:
- DSP Presets: Use the DSP PRESETS button to cycle through optimized sound modes for different applications:
- 1. ເພງ: Optimized for general music playback, offering a balanced frequency response.
- 2. LIVE: Tailored for live performances, enhancing vocal clarity and instrument presence.
- 3. SPEECH: Designed to maximize speech intelligibility, reducing bass and emphasizing mid-range frequencies.
- ຕົວຊີ້ວັດ: The DSP control panel also includes indicators for POWER, SIGNAL, and LIMIT, providing visual feedback on the system's operational status.
8. ບໍາລຸງຮັກສາ
- ທໍາຄວາມສະອາດ: Use a soft, dry cloth to clean the exterior surfaces of the speakers and subwoofer. Do not use abrasive cleaners or solvents.
- ການເກັບຮັກສາ: When not in use, store the system in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to use the original packaging for transport and storage.
- ການກວດກາ: Periodically check all cables and connections for signs of wear or damage. Replace any damaged components immediately.
9. ການແກ້ໄຂບັນຫາ
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ບໍ່ມີພະລັງງານ | Power cable not connected; Power switch off; No power from outlet | Ensure power cable is securely connected; Turn power switch ON; Test outlet with another device |
| ບໍ່ມີສຽງ | Input cable disconnected; Volume levels too low; Incorrect DSP preset; Satellite speakers not connected | Check all audio cable connections; Increase SAT. LEVEL and SUB LEVEL; Select appropriate DSP preset; Ensure satellite speakers are connected to SAT. OUT |
| ສຽງບິດເບືອນ | Input signal too high; Volume levels too high; Damaged cable | Reduce input signal level from source; Lower SAT. LEVEL and SUB LEVEL; Check and replace damaged cables |
| System hums or buzzes | Ground loop issue; Faulty cable | Try connecting to a different power outlet; Use balanced cables; Replace suspected faulty cables |
10. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ຂໍ້ມູນຈໍາເພາະ |
|---|---|
| ຕົວແບບ | ALX-2824LA |
| ປະເພດລຳໂພງ | Line Array System with Active Subwoofer |
| ການຈັບພະລັງງານສູງສຸດ | 2000 ວັດ |
| ພະລັງງານ RMS | 1000 ວັດ |
| ສູງສຸດ SPL | 130dB |
| Subwoofer Drivers | ຄູ່ 8 ນິ້ວ |
| Satellite Speaker Drivers | Dual 4-inch per speaker |
| Satellite Speaker Tweeter | 1-inch Compression Tweeter per speaker |
| Ampຊັ້ນຊີວິດ | Class D Digital |
| DSP | Integrated with Electronic Crossovers and Presets (Music, Live, Speech) |
| System Dimensions (Assembled) | 33.66" x 18.70" x 21.85" (85.5 x 47.5 x 55.5 ຊມ) |
| System Weight (Assembled) | 75.40 lbs (34.2 ກິໂລ) |
| ສີ | ດຳ |
11. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
Altec Lansing products are designed and manufactured to the highest quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official Altec Lansing website. For technical support, service, or replacement parts, please contact Altec Lansing customer service through their official channels.





