1. សេចក្តីផ្តើម
The JBL GT5-10D is a 10-inch dual-voice-coil subwoofer designed for car audio systems. It features a vented motor structure and is engineered to deliver robust bass performance. This manual provides essential information for the proper setup, operation, and maintenance of your subwoofer.

រូបភាពទី 1: ផ្នែកខាងមុខ view of the JBL GT5-10D Subwoofer.
លក្ខណៈសំខាន់ៗរួមមានៈ
- 10-inch Dual 4 Ohm GT5 Series Subwoofer
- ការគ្រប់គ្រងថាមពលកំពូល៖ ៣០០ វ៉ាត់
- ការគ្រប់គ្រងថាមពល RMS: 275 វ៉ាត់
- Recommended power range: 150 - 275 watts RMS
- Polypropylene woofer cone material
- Rubber-coated tinsel leads for enhanced durability
- Proprietary steel frame
2. ការដំឡើងនិងការដំឡើង
Proper installation is crucial for optimal performance and longevity of your JBL GT5-10D subwoofer. It is recommended that installation be performed by a qualified car audio professional.
២.១ តម្រូវការសម្រាប់ឯករភជប់
The subwoofer is designed to operate within a suitable enclosure. Consult the specifications section for recommended enclosure volumes and types. Ensure the enclosure is robust and sealed properly to prevent air leaks, which can degrade sound quality.

Figure 2: Subwoofer dimensions for enclosure planning. The subwoofer measures 12"D x 12"W x 10"H.
2.2 Wiring the Dual Voice Coils
The GT5-10D features dual 4-ohm voice coils, allowing for flexible wiring configurations to match your ampតម្រូវការ impedance របស់ lifier ។ ការកំណត់រចនាសម្ព័ន្ធទូទៅរួមមាន:
- ខ្សែប៉ារ៉ាឡែល៖ Connect both voice coils in parallel for a 2-ohm load. This configuration typically draws more power from the ampកាន់តែចាស់។
- ខ្សែភ្លើងស៊េរី៖ Connect both voice coils in series for an 8-ohm load. This configuration draws less power and is suitable for amplifiers that are not 2-ohm stable.
តែងតែយោងទៅរបស់អ្នក amplifier's manual for compatible impedance loads and wiring diagrams. Incorrect wiring can damage both the subwoofer and the ampកាន់តែចាស់។

រូបភាពទី 3: ចំហៀង view of the subwoofer, illustrating the terminal connections for wiring.
2.3 ការតភ្ជាប់ថាមពល
ភ្ជាប់ឧបករណ៍បំពងសំឡេងទៅនឹងឧបករណ៍សមស្រប amplifier using high-quality speaker wire. Ensure proper polarity (+ to + and - to -) to avoid phase issues that can negatively impact sound quality. The subwoofer is designed for wired connectivity, typically via RCA inputs from your head unit to the amplifier, and then speaker wire from the amplifier ទៅ subwoofer ។
3. សេចក្តីណែនាំប្រតិបត្តិការ
Once installed and wired correctly, the JBL GT5-10D subwoofer will enhance your car audio system's bass response. The primary control for the subwoofer will be through your car's head unit or external ampការត្រួតពិនិត្យ lifier ។
3.1 Initial Power-Up and Adjustment
- Ensure all connections are secure before powering on your audio system.
- ចាប់ផ្តើមជាមួយ amplifier's gain control set to its minimum (lowest) setting.
- Play a piece of music with a good bass range.
- បង្កើនបន្តិចម្តង ៗ amplifier's gain until the desired bass level is achieved without distortion.
- លៃតម្រូវតម្រងឆ្លងកាត់ទាប (LPF) នៅលើឧបករណ៍របស់អ្នក amplifier or head unit to blend the subwoofer's output seamlessly with your main speakers. A common starting point is around 80-100 Hz.
- If your system includes a phase control, experiment with 0° and 180° settings to find the one that provides the most impactful and coherent bass.
While the product specifications mention "Touch" as a control method, for a passive subwoofer like the GT5-10D, this typically refers to controls on the connected amplifier or head unit, not directly on the subwoofer itself.
4. ការថែទាំ
The JBL GT5-10D subwoofer is built for durability, but proper care will ensure its long-term performance.
- ការសម្អាត៖ ប្រើក្រណាត់ទន់ស្ងួតដើម្បីជូតកោណឧបករណ៍បំពងសំឡេង និងឧបករណ៍បំពងសំឡេងជុំវិញ។ ជៀសវាងការប្រើប្រាស់សារធាតុគីមីដ៏គ្រោះថ្នាក់ ឬសំណើមលើស។
- អធិការកិច្ច៖ Periodically check the speaker terminals and wiring for any signs of corrosion or loose connections. Ensure the rubber-coated tinsel leads are intact, as they protect against wear.
- កត្តាបរិស្ថាន៖ While designed for car environments, extreme temperatures and direct sunlight can affect performance over time. Ensure adequate ventilation around the subwoofer.
5. ការដោះស្រាយបញ្ហា
If you experience issues with your JBL GT5-10D subwoofer, refer to the following common problems and solutions:
| បញ្ហា | មូលហេតុដែលអាចកើតមាន | ដំណោះស្រាយ |
|---|---|---|
| គ្មានសំឡេងពី Subwoofer |
|
|
| Distorted or "Muddy" Bass |
|
|
| Weak or Lackluster Bass |
|
|
If problems persist, consult a professional car audio technician.
6. លក្ខណៈបច្ចេកទេស
| លក្ខណៈ | លម្អិត |
|---|---|
| ឈ្មោះម៉ូដែល | GT5-10D |
| ប្រភេទឧបករណ៍បំពងសំឡេង | ឧបករណ៍បំពងសំឡេង |
| អង្កត់ផ្ចិតឧបករណ៍បំពងសំឡេង | ៤.៧៥ អ៊ីញ |
| ថាមពលទិន្នផលអតិបរមារបស់ Speaker | 1100 វ៉ាត់ (កំពូល) |
| ការគ្រប់គ្រងថាមពល RMS | 275 វ៉ាត់ |
| ឧបសគ្គ | Dual 4 Ohms (can be wired to 2 or 8 ohms) |
| សម្ភារៈកោណ Woofer | ប៉ូលីភីលីន |
| វិមាត្រផលិតផល | 12"D x 12"W x 10"H |
| ទំងន់ធាតុ | 13.2 ផោន |
| បច្ចេកវិទ្យាតភ្ជាប់ | Wired (RCA or 3.5mm audio jack to ampរស់រវើក) |
| ក្រុមហ៊ុនផលិត | Harman Kardon |
| លេខម៉ូដែលធាតុ | GT5-10D |
| UPC | 050036931007 |
7. Understanding Your Subwoofer (Video)
This video provides additional insights into the design and technology behind JBL and Infinity speakers, including concepts relevant to your subwoofer's performance, such as materials and cone design.
Video 1: JBL & Infinity Speakers and Subwoofers: Bigger Bass. This video explains the importance of speaker materials and cone design for improved bass response and durability.
8. ការធានា និងការគាំទ្រ
The JBL GT5-10D subwoofer comes with a standard manufacturer's warranty. Please refer to the warranty documentation included with your product for specific terms, conditions, and registration information. For technical support or service inquiries, please contact JBL customer service or visit the official JBL webគេហទំព័រ។
Manufacturer: Harman Kardon





