1. Вступ
The JBL ST 450 TRIO Super Tweeter is designed for high-frequency sound reproduction with efficiency and low distortion. This component is suitable for various audio applications, including PA systems, automotive mini trios, and general sound reinforcement systems. Its phenolic diaphragm ensures a clear high-frequency timbre, while the aluminum ring magnetic assembly provides definition and efficiency across its operational range.
2. Інформація про безпеку
Please read all safety instructions before installing and operating this product. Failure to follow these instructions may result in injury or damage to the product or other equipment.
- Електрична безпека: Ensure all power connections are made correctly and securely. Disconnect power before making any connections or disconnections. Incorrect wiring can cause electrical shock or damage to your audio system.
- Захист органів слуху: Prolonged exposure to high sound pressure levels can cause permanent hearing damage. Use caution when adjusting volume levels.
- Установка: Always mount the tweeter securely to prevent it from becoming a projectile in case of sudden stops or accidents. Consult a professional installer if you are unsure about any aspect of the installation process.
- Вентиляція: Ensure adequate ventilation around the tweeter to prevent overheating, especially during extended use at high power levels.
3. Вміст упаковки
Перевірте наявність усіх елементів в упаковці:
- 1 x JBL ST 450 TRIO Super Tweeter
- Технічна брошура
- Гарантійний листок
- Bearing (as included component)
4. Налаштування та встановлення
Proper installation is crucial for optimal performance and safety. If you are not confident in your ability to install this product, seek assistance from a qualified professional.
4.1 Монтаж
The ST 450 TRIO is designed for flush mount installation. Choose a mounting location that provides adequate space for the tweeter and its wiring, and ensures it is securely fastened to a stable surface. Avoid locations where the tweeter could be exposed to excessive moisture or direct sunlight.
Зображення 1: Збоку view of the JBL ST 450 TRIO Super Tweeter, illustrating its flush mount design and connection terminals.
4.2 Електропроводка
The tweeter has a rated impedance of 8 Ohms. Connect the tweeter to an appropriate amplifier output, ensuring that the amplifier can handle an 8-Ohm load. Pay close attention to polarity (+ and -) to ensure correct phase alignment with other speakers in your system. Incorrect polarity can lead to reduced sound quality.
Зображення 2: Кутовий view of the JBL ST 450 TRIO Super Tweeter, highlighting the robust magnet structure and clearly marked connection points for wiring.
It is recommended to use a high-pass filter to protect the tweeter from low frequencies, which can cause damage. Refer to your amplifier or crossover unit's manual for proper filter settings. The system frequency response for this tweeter is 4000 to 20000 Hz.
5. Інструкція з експлуатації
Once installed and wired correctly, the JBL ST 450 TRIO Super Tweeter is ready for operation.
- Потужність: The tweeter has an RMS Power of 300W and a Peak Power of 600W. Ensure that the amplifier's output power does not exceed these limits to prevent damage.
- Регулювання гучності: Start with a low volume level and gradually increase it to your desired listening level. Avoid operating the system at excessively high volumes for extended periods.
- Регулювання звуку: Use your audio system's equalizer or tone controls to fine-tune the high-frequency output to your preference. Remember that the tweeter is designed to reproduce high frequencies, so excessive boosting of treble may lead to harsh sound or potential damage.
6. Технічне обслуговування
The JBL ST 450 TRIO Super Tweeter requires minimal maintenance to ensure long-lasting performance.
- Прибирання: Use a soft, dry cloth to gently wipe the surface of the tweeter. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the finish or internal components.
- Огляд: Periodically check the wiring connections to ensure they remain secure. Inspect the tweeter for any signs of physical damage.
7. Вирішення проблем
If you experience issues with your JBL ST 450 TRIO Super Tweeter, refer to the following common problems and solutions:
- Немає звуку:
- Перевірте всі з'єднання проводів від amplifier to the tweeter for proper contact and polarity.
- Забезпечити amplifier увімкнено та працює належним чином.
- Verify that the audio source is playing and the volume is turned up.
- Спотворений звук:
- Зменште рівень гучності. Спотворення часто виникає, коли amplifier or tweeter is overdriven.
- Check for proper high-pass filter settings to prevent low frequencies from reaching the tweeter.
- Inspect the tweeter for any physical damage to the diaphragm.
- Переривчастий звук:
- Check for loose wiring connections at both the tweeter and the ampліфірник.
- Ensure there are no shorts in the wiring.
If these steps do not resolve the issue, contact customer support or a qualified service technician.
8. Технічні характеристики
Зображення 3: Верх view of the JBL ST 450 TRIO Super Tweeter, displaying the brand and model details.
| Особливість | Специфікація |
|---|---|
| Назва моделі | ST 450 TRIO |
| Тип динаміка | Твітер |
| Номінальний опір | 8 Ом |
| Вага магніту | 470 г |
| Magnetic Assembly Weight | 1,200 г |
| Вага динаміка | 1,700 г |
| Пікова потужність | 600 Вт МАКС |
| Потужність RMS | 300 Вт |
| Частотна характеристика системи | від 4000 до 20000 XNUMX Гц |
| Розмір динаміка | 102 міліметрів |
| Розміри продукту | 1" Г x 1" Ш x 1" В |
| Вага товару | 1.2 фунта |
| Виробник | JBL/SELENIUM |
9. Гарантія та підтримка
This JBL product comes with a limited warranty. Please refer to the included Warranty Leaflet for detailed terms and conditions regarding coverage, duration, and claims procedures.
For technical support, service, or further inquiries, please visit the official JBL webсайт або зверніться до їхнього відділу обслуговування клієнтів. Зберігайте чек про покупку як підтвердження покупки для гарантійних претензій.
