1. Introducció
Thank you for choosing the NuX AC-25 Portable Battery Operated Acoustic Amplificador. Aquest compacte i versàtil amplifier is designed to provide high-quality amplification for acoustic instruments and vocals, offering exceptional portability and a rich feature set for musicians on the go. Please read this manual thoroughly to ensure proper operation and to maximize your experience with the AC-25.
2. Característiques del producte
- Disseny portàtil: Compact and lightweight, ideal for busking, practice, and small gigs.
- Funciona amb piles: Built-in rechargeable battery for extended use without a power outlet.
- Canals duals: Dedicated channels for instrument and microphone inputs.
- Efectes integrats: High-quality Reverb and Chorus effects to enhance your sound.
- Connectivitat Bluetooth: Stream backing tracks or music wirelessly from your smart device.
- Controls intuïtius: Easy-to-use control panel for quick sound adjustments.
- Tilt-Back Cabinet: Designed for optimal sound projection when placed on the floor.

Figura 2.1: Frontal view of the NuX AC-25 Acoustic Ampmés viu.

Figura 2.2: Angle view of the NuX AC-25 Acoustic Ampvidador, espectacleasing the integrated tilt-back design.
3. Configuració
3.1 Desembalatge i inspecció inicial
Traieu amb cura amplifier from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. Retain the packaging materials for future transport or storage.
3.2 Càrrega de la bateria
The AC-25 features an internal rechargeable battery. Before first use, it is recommended to fully charge the amplifier. Connect the provided DC 15V 2.5A power adapter to the 'DC 15V 2.5A' input on the rear panel of the amplifier and plug it into a suitable power outlet. The 'CHARGING' indicator light will illuminate during charging and turn off when fully charged. The 'LOW BATT.' indicator will light up when the battery level is low.
3.3 Engegada/apagada
Per encendre el amplifier, locate the 'POWER' switch on the top panel and set it to the 'ON' position. The 'POWER' indicator light will illuminate. To power off, set the switch to the 'OFF' position.
3.4 Connexió d'instruments i micròfons

Figure 3.1: Dual channel input diagram for instrument and microphone.
- Channel 1 (Instrument): Connect your acoustic guitar or other instrument to the 'CHANNEL 1' input using a standard 1/4-inch instrument cable.
- Channel 2 (Microphone): Connect a microphone to the 'CHANNEL 2' input using an XLR cable. This channel is suitable for vocals or instrument miking.
4. Instruccions de funcionament
4.1 Tauler de control acabatview

Figure 4.1: Top control panel of the NuX AC-25 Acoustic Ampmés viu.
- CHANNEL 1 (Instrument):
- VOLUM: Adjusts the input volume for Channel 1.
- BAIX: Adjusts the low-frequency response for Channel 1.
- MITJÀ: Adjusts the mid-frequency response for Channel 1.
- AGUTS: Adjusts the high-frequency response for Channel 1.
- Sintonitzador: Activates the built-in tuner for your instrument.
- CHANNEL 2 (Microphone):
- VOLUM: Adjusts the input volume for Channel 2.
- ENVIAR: Controls the amount of signal sent to the Reverb effect for Channel 2.
- SECCIÓ MÀSTER:
- REVERB: Adjusts the overall level of the Reverb effect.
- MÀSTER: Controla el volum de sortida general del ampmés viu.
- BLUETOOTH Button: Activates/deactivates Bluetooth pairing mode.
- Interruptor d'alimentació: Gira el ampmés viu encès o apagat.
4.2 Connexions del panell posterior

Figure 4.2: Rear panel connections of the NuX AC-25 Acoustic Ampmés viu.
- DC 15V 2.5A: Power input for charging and operating the ampmés viu.
- LOW BATT. Indicator: Illuminates when the battery charge is low.
- TELÈFONS: 1/4-inch stereo output for headphones. Connect headphones here for silent practice.
- AUX IN: 3.5mm stereo input for connecting external audio devices (e.g., MP3 player, smartphone) for playback.
- FORMA DE LÍNIA: 1/4-inch mono output for connecting to a mixing console, PA system, or another ampmés viu.
4.3 Vinculació Bluetooth
- Turn on the NuX AC-25 ampmés viu.
- Press the 'BLUETOOTH' button on the top panel. The Bluetooth indicator light will start blinking, indicating it's in pairing mode.
- Al dispositiu intel·ligent (telèfon intel·ligent, tauleta, etc.), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select 'NuX AC-25' from the list of devices to pair.
- Once successfully paired, the Bluetooth indicator light on the amplifier will stop blinking and remain solid. You can now stream audio wirelessly through the ampmés viu.
5. Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar-lo amplifier's exterior. Avoid using abrasive cleaners or solvents.
- Emmagatzematge: Emmagatzemar el ampGuardar en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Cura de la bateria: To prolong battery life, avoid completely draining the battery frequently. If storing for extended periods, charge the battery to approximately 50% every few months.
- Transport: En transportar el amplifier, ensure it is securely packed to prevent physical damage.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense sortida de so. | Ampl'activador no està encès. Volume knobs are too low. Connexió de cable incorrecta. Instrument/microphone issue. | Ensure 'POWER' switch is ON. Increase 'VOLUME' and 'MASTER' knobs. Comproveu que tots els cables estiguin ben connectats. Test instrument/microphone with another device. |
| L'indicador de bateria baixa està encès. | La càrrega de la bateria és baixa. | Connect the power adapter and charge the ampmés viu. |
| Bluetooth not pairing. | Bluetooth not in pairing mode. Dispositiu massa lluny de ampmés viu. Interferència. | Press the 'BLUETOOTH' button to activate pairing mode (blinking light). Apropa el dispositiu a la ampmés viu. Desactiveu altres dispositius Bluetooth que hi hagi a prop. |
| So distorsionat. | Input volume too high. Master volume too high. Cable defectuós. | Reduce 'VOLUME' for the respective channel. Reduce 'MASTER' volume. Prova un cable diferent. |
7. Especificacions
- Marca: NUX
- Model: AC-25
- Potència de sortidatage: 25 watts
- Font d'alimentació: Battery Powered (Internal Rechargeable Battery)
- Pes de l'article: 15.84 lliures
- Dimensions del producte: 11.02 x 8.58 x 8.66 polzades
- Dispositius compatibles: Guitarra, Micròfon
- Tipus de connector: 1/4-inch Jack (Instrument), XLR (Microphone), 3.5mm Jack (AUX IN, PHONES)
8. Garantia i Suport
The NuX AC-25 Portable Battery Operated Acoustic Amplifier may be eligible for extended protection plans. Please refer to your purchase documentation for details on available warranty options, such as 3-Year or 4-Year Protection Plans.
For technical support, service, or further inquiries, please contact your authorized NuX dealer or visit the official NuX weblloc web per a informació d'atenció al client.





