1. နိဒါန်း
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.

ပုံ 1: ရှေ့ view of the JBL GT5-10D Subwoofer.
အဓိကအင်္ဂါရပ်များပါဝင်သည်-
- 10-inch Dual 4 Ohm GT5 Series Subwoofer
- Peak Power Handling: 1100 watts
- RMS Power Handling: 275 watts
- Recommended power range: 150 - 275 watts RMS
- Polypropylene woofer cone material
- Rubber-coated tinsel leads for enhanced durability
- Proprietary steel frame
2. တပ်ဆင်ခြင်းနှင့် တပ်ဆင်ခြင်း။
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.
2.1 Enclosure Requirements
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 ampliifier ရဲ့ impedance လိုအပ်ချက်များ။ အဖြစ်များတဲ့ configuration တွေမှာ အောက်ပါတို့ ပါဝင်ပါတယ်-
- Parallel Wiring: Connect both voice coils in parallel for a 2-ohm load. This configuration typically draws more power from the ampပိုအသက်ကြီး။
- စီးရီးကြိုးသွယ်ခြင်း- 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.
Always refer to your amplifier's manual for compatible impedance loads and wiring diagrams. Incorrect wiring can damage both the subwoofer and the ampပိုအသက်ကြီး။

ပုံ 3: ဘေးထွက် view of the subwoofer, illustrating the terminal connections for wiring.
2.3 ပါဝါချိတ်ဆက်မှု
subwoofer ကို သင့်လျော်သောတစ်ခုသို့ ချိတ်ဆက်ပါ။ 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 ampsubwoofer သို့ lifier
3. လုပ်ငန်းဆောင်ရွက်မှုညွှန်ကြားချက်များ
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 amplifier ထိန်းချုပ်မှုများ။
3.1 Initial Power-Up and Adjustment
- Ensure all connections are secure before powering on your audio system.
- မှစတင်ပါ။ amplifier's gain control set to its minimum (lowest) setting.
- Play a piece of music with a good bass range.
- ဖြည်းဖြည်းချင်းတိုးပါ ampလိုချင်သော bass အဆင့်ကို distortion မရှိဘဲ ရရှိသည်အထိ liifier ၏ gain ကို မြှင့်တင်ပါ။
- သင့်ဖုန်းပေါ်ရှိ low-pass filter (LPF) ကို ချိန်ညှိပါ။ ampsubwoofer ရဲ့ output ကို သင့်ရဲ့ main speakers တွေနဲ့ ချောမွေ့စွာ ရောနှောဖို့အတွက် liifier ဒါမှမဟုတ် head unit ကို အသုံးပြုပါ။ အဖြစ်များတဲ့ စတင်မှုကတော့ 80-100 Hz ဝန်းကျင်မှာပါ။
- 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. ပြုပြင်ထိန်းသိမ်းမှု
The JBL GT5-10D subwoofer is built for durability, but proper care will ensure its long-term performance.
- သန့်ရှင်းရေး- Use a soft, dry cloth to wipe down the subwoofer cone and surround. Avoid using harsh chemicals or excessive moisture.
- စစ်ဆေးခြင်း- 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.
- ပတ်ဝန်းကျင်ဆိုင်ရာအချက်များ- While designed for car environments, extreme temperatures and direct sunlight can affect performance over time. Ensure adequate ventilation around the subwoofer.
၃
If you experience issues with your JBL GT5-10D subwoofer, refer to the following common problems and solutions:
| ပြဿနာ | ဖြစ်နိုင်သော အကြောင်းတရား | ဖြေရှင်းချက် |
|---|---|---|
| Subwoofer မှ အသံမရှိပါ။ |
|
|
| Distorted or "Muddy" Bass |
|
|
| Weak or Lackluster Bass |
|
|
ပြဿနာများဆက်ရှိနေပါက ပရော်ဖက်ရှင်နယ် ကားအသံပညာရှင်နှင့် တိုင်ပင်ပါ။
6. သတ်မှတ်ချက်များ
| ထူးခြားချက် | အသေးစိတ် |
|---|---|
| မော်ဒယ်အမည် | GT5-10D |
| စပီကာအမျိုးအစား | Subwoofer |
| Subwoofer အချင်း | ၁၁ လက်မ |
| စပီကာသည် အများဆုံးအထွက်ပါဝါ | 1100 Watts (Peak) |
| RMS ပါဝါကိုင်တွယ်ခြင်း။ | 275 Watts |
| Impedance | Dual 4 Ohms (can be wired to 2 or 8 ohms) |
| Woofer Cone ပစ္စည်း | Polypropylene |
| ထုတ်ကုန်အတိုင်းအတာများ | 12"D x 12"W x 10"H |
| ပစ္စည်းအလေးချိန် | 13.2 ပေါင် |
| ချိတ်ဆက်မှုနည်းပညာ | Wired (RCA or 3.5mm audio jack to ampအသက်ရှည်သည်) |
| ထုတ်လုပ်သူ | Harman Kardon |
| မော်ဒယ်နံပါတ် | 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. အာမခံနှင့် ပံ့ပိုးမှု
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 website.
Manufacturer: Harman Kardon





