1. Introducció
This manual provides essential information for the safe and efficient operation of your FBT J 8A Active Portable Audio Monitor. Please read this manual thoroughly before using the product to ensure proper setup, operation, and maintenance. Keep this manual for future reference.
2. Informació de seguretat
Instruccions importants de seguretat:
- Llegeix aquestes instruccions.
- Conserveu aquestes instruccions.
- Compte amb totes les advertències.
- Seguiu totes les instruccions.
- No utilitzeu aquest aparell prop de l'aigua.
- Netegeu només amb un drap sec.
- No bloquegeu cap obertura de ventilació. Instal·leu-ho d'acord amb les instruccions del fabricant.
- No instal·leu a prop de cap font de calor com ara radiadors, registres de calor, estufes o altres aparells (inclosos amplificadors) que produeixen calor.
- No anul·leu el propòsit de seguretat de l'endoll polaritzat o de connexió a terra. Un endoll polaritzat té dues fulles, una més ampla que l'altra. Un endoll de connexió a terra té dues fulles i una tercera punta de connexió a terra. La fulla ampla o la tercera punta es proporcionen per a la vostra seguretat. Si l'endoll proporcionat no encaixa a la vostra presa de corrent, consulteu un electricista per substituir la presa obsoleta.
- Eviteu que el cable d'alimentació sigui trepitjat o pessigat, especialment als endolls, els endolls i el punt on surten de l'aparell.
- Utilitzeu només accessoris/accessoris especificats pel fabricant.
- Utilitzeu només amb el carro, suport, trípode, suport o taula especificats pel fabricant o venuts amb l'aparell. Quan utilitzeu un carro, aneu amb compte en moure la combinació de carro/aparell per evitar lesions per bolcar.
- Desendolleu aquest aparell durant les tempestes amb llamps o quan no l'utilitzeu durant llargs períodes de temps.
- Demaneu tot el servei a personal de servei qualificat. El manteniment és necessari quan l'aparell s'ha fet malbé d'alguna manera, com ara el cable d'alimentació o l'endoll està danyat, s'ha vessat líquid o han caigut objectes a l'aparell, l'aparell ha estat exposat a la pluja o la humitat, no funciona amb normalitat. , o s'ha deixat caure.
- PRECAUCIÓ: Per evitar el risc d'incendi o descàrrega elèctrica, no exposeu aquest aparell a la pluja o la humitat.
- ADVERTIMENT: This apparatus must be earthed. Replace fuses with the same type and rating only.
3. Contingut del paquet
Upon unpacking your FBT J 8A monitor, please ensure all items are present and in good condition:
- FBT J 8A Active Portable Audio Monitor
- Cable d'alimentació
- Guia d'inici ràpid
Si falta algun article o està danyat, poseu-vos en contacte amb el vostre distribuïdor immediatament.
4. Producte acabatview
The FBT J 8A is a professional 2-way bi-amplified active portable audio monitor designed for various sound reinforcement applications. It features a robust polypropylene cabinet and advanced Class D amplification for high efficiency and superior sound quality.
Característiques principals:
- 8-inch (200mm) custom ceramic woofer with high efficiency and excursion.
- 25mm (1-inch) compression driver.
- Classe D amplifiers: 200W RMS for Low Frequency (LF) and 50W RMS for High Frequency (HF).
- Traditional power supply with very low noise.
- Digital Signal Processor (DSP) with 2 equalization presets (ORIGINAL/BOOST) for optimal tonal balance and dynamic protection.
- 90°H x 60°V constant directivity horn.
- Robust polypropylene cabinet with integrated handles.
- Two M6 anchoring points for versatile mounting.
- Hi-Pass filter button for use with a subwoofer.
- Control panel with XLR/Jack input, XLR link, Mic/Line switch, Level control.
Components físics:
The FBT J 8A monitor features a durable black polypropylene enclosure. Its compact design allows for easy portability and flexible installation options, including wall mounting using compatible brackets (not included).
The rear panel provides all necessary connections and controls for the monitor. This includes audio inputs, a link output, level adjustments, DSP preset selection, and the main power switch.
5. Configuració
5.1 Col·locació i muntatge
The FBT J 8A can be used as a floor monitor, mounted on a speaker stand, or permanently installed using its M6 anchoring points. Ensure the monitor is placed on a stable, level surface or securely mounted to prevent accidental falls.
- For floor use, position the monitor to direct sound towards the desired listening area.
- For stand mounting, use a compatible speaker stand with a standard pole mount.
- For permanent installation, utilize the two M6 anchoring points. Consult a qualified installer for secure wall or ceiling mounting.
5.2 Connexions
Before making any connections, ensure the monitor's power switch is in the OFF position and the power cord is disconnected from the mains supply.
- Entrada d'àudio: Connect your audio source (mixer, instrument, microphone) to the XLR/Jack combo input on the rear panel.
- Sortida de l'enllaç: If connecting multiple monitors, use the XLR link output to send the audio signal to another active speaker.
- Connexió d'alimentació: Connect the supplied power cord to the AC inlet on the rear panel, then plug the other end into a suitable grounded AC power outlet (220-230V~ 50/60Hz).
Refer to Figure 2 for a visual guide to the rear panel connections.
6. Instruccions de funcionament
6.1 Engegada/apagada
- Ensure all audio connections are made and the Level control is set to minimum.
- Flip the main power switch on the rear panel to the ON position. The power indicator LED will illuminate.
- To power off, set the Level control to minimum, then flip the power switch to OFF.
6.2 Input Level and Mic/Line Switch
- Commutador de micròfon / línia: Select the appropriate input sensitivity. Use "MIC" for microphones and "LINE" for line-level sources (mixers, instruments).
- Control de nivell: Adjust the overall volume of the monitor. Start with the control at minimum and gradually increase to the desired listening level.
- The PRT/LMT (Protection/Limit) LED indicates when the internal limiter is active, preventing distortion and protecting the speaker. If this LED flashes frequently, reduce the input level.
6.3 presets DSP
The FBT J 8A features a Digital Signal Processor (DSP) with two selectable presets to optimize the sound for different applications:
- ORIGINAL: Provides a flat, neutral frequency response suitable for general-purpose sound reinforcement.
- IMPULS: Enhances the low-frequency response, ideal for applications requiring more bass presence.
Select the desired preset using the dedicated switch on the rear panel.
6.4 Hi-Pass Filter
The Hi-Pass filter button activates a high-pass filter, which cuts low frequencies from the monitor's output. This is particularly useful when the J 8A is used in conjunction with a subwoofer, allowing the subwoofer to handle the lower frequencies and improving overall system clarity and efficiency.
7. Manteniment
Proper maintenance ensures the longevity and optimal performance of your FBT J 8A monitor.
- Neteja: Clean the cabinet with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Ventilació: Assegureu-vos que les obertures de ventilació estiguin lliures i no obstruïdes per evitar el sobreescalfament.
- Emmagatzematge: When not in use for extended periods, store the monitor in a dry, cool environment, protected from dust and extreme temperatures.
- Inspecció: Periodically check the power cord and all cables for any signs of damage. Replace damaged cables immediately.
There are no user-serviceable parts inside the monitor. Refer all servicing to qualified service personnel.
8. Solució De Problemes
If you encounter issues with your FBT J 8A monitor, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense so |
|
|
| So distorsionat |
|
|
| Zum o soroll |
|
|
If the problem persists after trying these solutions, contact qualified service personnel.
9. Especificacions
Technical specifications for the FBT J 8A Active Portable Audio Monitor:
| Característica | Especificació |
|---|---|
| Configuració | 2 vies, bi-amplified, Bass-Reflex |
| Integrat Amplifier LF/HF (RMS) | 200 W / 50 W |
| Integrat Amplifier Peak LF/HF | 400 W / 100 W |
| Resposta en freqüència (-6 dB) | 60Hz - 20KHz |
| Woofer de baixa freqüència | 8 inches (200mm) - 1.7 inch coil |
| Controlador d'alta freqüència | 1 inch (25mm) - 1 inch coil |
| Maximum SPL (Cont/Peak) | 120 dB / 124 dB |
| Dispersió (HxV) | 90° x 60° |
| Impedància d'entrada | 22 Kohms |
| Freqüència de creuament | 2.5 kHz |
| Requisits d'alimentació de CA. | 160 VA |
| Connector d'entrada | XLR - Jack with loop |
| Longitud del cable d'alimentació | 5 metres / 16.4 peus |
| Dimensions (LxWxH) | 47.8 x 33.8 x 31.2 cm (aprox. 18.8 x 13.3 x 12.3 polzades) |
| Pes | 8.2 kg (aprox. 18.1 lliures) |
| Material | Polipropilè |
| Ús recomanat | Professional use in indoor or outdoor events, public address systems, and musical performances. |
10. Garantia i Suport
Garantia: The FBT J 8A Active Portable Audio Monitor comes with a Limited Warranty. Please refer to the warranty card included with your product or visit the official FBT weblloc per obtenir els termes i condicions detallats.
Suport: For technical assistance, service, or spare parts, please contact your authorized FBT dealer or visit the official FBT website for support resources and contact information. Do not attempt to repair the unit yourself, as this may void your warranty and pose safety risks.