1. Uvod
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. Varnostne informacije
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.
- Električna varnost: 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.
- Zaščita sluha: Dolgotrajna izpostavljenost visokim ravnem zvočnega tlaka lahko povzroči trajno poškodbo sluha. Pri prilagajanju glasnosti bodite previdni.
- Namestitev: 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.
- Prezračevanje: Ensure adequate ventilation around the tweeter to prevent overheating, especially during extended use at high power levels.
3. Vsebina paketa
Preverite, ali so v paketu prisotni vsi elementi:
- 1 x JBL ST 450 TRIO Super Tweeter
- Tehnična brošura
- Garancijski list
- Bearing (as included component)
4. Nastavitev in namestitev
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 Montaža
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.

Slika 1: Stran view of the JBL ST 450 TRIO Super Tweeter, illustrating its flush mount design and connection terminals.
4.2 Ožičenje
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.

Slika 2: Pod kotom 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. Navodila za uporabo
Once installed and wired correctly, the JBL ST 450 TRIO Super Tweeter is ready for operation.
- Upravljanje moči: 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.
- Nadzor glasnosti: 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.
- Prilagoditev zvoka: 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. Vzdrževanje
The JBL ST 450 TRIO Super Tweeter requires minimal maintenance to ensure long-lasting performance.
- Čiščenje: 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.
- Pregled: Periodically check the wiring connections to ensure they remain secure. Inspect the tweeter for any signs of physical damage.
7. Odpravljanje težav
If you experience issues with your JBL ST 450 TRIO Super Tweeter, refer to the following common problems and solutions:
- Ni zvoka:
- Preverite vse ožičene povezave od amplifier to the tweeter for proper contact and polarity.
- Zagotovite amplifier je vklopljen in deluje pravilno.
- Verify that the audio source is playing and the volume is turned up.
- Popačen zvok:
- Zmanjšajte glasnost. Popačenje se pogosto pojavi, ko 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.
- Prekinjen zvok:
- Check for loose wiring connections at both the tweeter and the amplifier.
- 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. Specifikacije

Slika 3: Zgoraj view of the JBL ST 450 TRIO Super Tweeter, displaying the brand and model details.
| Funkcija | Specifikacija |
|---|---|
| Ime modela | ST 450 TRIO |
| Vrsta zvočnika | Visokotonec |
| Nazivna impedanca | 8 Ohmov |
| Teža magneta | 470 g |
| Magnetic Assembly Weight | 1,200 g |
| Teža zvočnika | 1,700 g |
| Največja moč | 600 W MAKS |
| Moč RMS | 300 W |
| Sistemski frekvenčni odziv | 4000 do 20000 Hz |
| Velikost zvočnika | 102 milimetrov |
| Dimenzije izdelka | 1"D x 1"Š x 1"V |
| Teža predmeta | 1.2 funta |
| Proizvajalec | JBL/SELENIUM |
9. Garancija in podpora
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 webspletno mesto ali se obrnite na njihovo službo za pomoč strankam. Račun shranite kot dokazilo o nakupu za uveljavljanje garancije.





