Behringer ACX900 Quick Start Guide

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Behringer ACX900 Specification

The Behringer ACX900 is a versatile 90-watt, dual-channel acoustic guitar amplifier designed to meet the needs of both live performers and studio musicians. This amplifier features two independent channels, each equipped with a dedicated EQ section and effects processor, allowing for precise tonal shaping and flexibility. The first channel is tailored for acoustic guitar inputs with a standard 1/4" jack, while the second channel accommodates vocal microphones via an XLR input, making it ideal for singer-songwriters.

The ACX900 incorporates a 9-band graphic EQ for detailed sound customization and feedback elimination, enhancing the overall sound quality and performance reliability. Its onboard effects processor offers 24-bit digital effects, including reverb, chorus, delay, and more, providing a wide range of soundscapes to enrich musical creativity. The amplifier is equipped with a FBQ Feedback Detection System, which identifies and targets problematic frequencies, ensuring a smooth and feedback-free experience during performances.

Designed with portability and durability in mind, the ACX900 features a rugged exterior and a compact design, making it suitable for various performance environments. The amplifier’s dual 8" Bugera speakers deliver crisp and clear sound reproduction, while a dedicated line output enables seamless integration into larger PA systems for expanded sound coverage. Additionally, the ACX900 includes an effects loop for external effects integration and a footswitch connector for hands-free control of the onboard effects.

Overall, the Behringer ACX900 stands out as an all-in-one solution for acoustic musicians seeking a reliable and feature-rich amplifier capable of delivering high-quality sound in diverse settings.

Behringer ACX900 F.A.Q.

How can I connect an external effects processor to the Behringer ACX900?

To connect an external effects processor, use the FX Send jack on the ACX900 to send the signal to your processor. Connect the output of the processor back into the FX Return jack. Adjust the FX mix controls to integrate the effect into your sound.

What should I do if there is no sound coming from my Behringer ACX900?

First, check all cable connections and ensure the power is on. Verify the volume levels on both the ACX900 and your instrument. Inspect the mute button status and test with different cables or instruments to isolate the issue.

How do I properly maintain the Behringer ACX900 amplifier?

Regularly clean the exterior with a dry cloth, keep the vents free from dust, and store the unit in a dry environment. Periodically check all connections and cables for wear and tear.

What is the best way to prevent feedback with the ACX900?

Position the amplifier away from the microphone and use the feedback detection system to identify problematic frequencies. Adjust the equalizer settings and reduce gain if necessary.

Can I use the Behringer ACX900 with an electric guitar?

Yes, the ACX900 can be used with an electric guitar. However, it is optimized for acoustic instruments, so you may need to adjust the EQ settings to suit an electric guitar.

How do I set up a dual-channel configuration on the Behringer ACX900?

Connect your first instrument or microphone to Channel 1 and the second to Channel 2. Use the channel-specific controls to adjust the volume, EQ, and effects independently for each channel.

What is the function of the notch filter on the ACX900?

The notch filter is used to eliminate specific feedback frequencies. Adjust the notch filter control to reduce feedback without drastically altering the overall tone of your instrument.

How can I achieve a warm sound with the Behringer ACX900?

To achieve a warm sound, adjust the midrange and bass EQ settings. Use the on-board effects, such as reverb or chorus, to add depth and warmth to the sound.

How often should I service my Behringer ACX900?

It's recommended to service the ACX900 annually or whenever you notice a decline in performance. Regular maintenance ensures optimum functionality and prolongs the lifespan of the amplifier.

What should I do if the ACX900's built-in effects are not working?

Check the FX level controls and ensure they are not turned down. Verify that the FX loop connections are correct. Restart the amplifier to reset the internal effects processor.