Acus Sound Engineering 03000504
User Manual
Acus Sound Engineering OneforStrings 5T Acoustic Guitar Amplifier
Model: 03000504
Introduction
The Acus Sound Engineering OneforStrings 5T Acoustic Guitar Amplifier is designed and manufactured in Italy, drawing on over 40 years of expertise in musical instrument development. This amplifier is engineered to provide clear, pure, and natural amplification for acoustic instruments, making it ideal for acoustic bands. It features dedicated channels, preamps, and monitors with precise equalization levels for various instruments, ensuring quick, easy, and reliable operation with uncompromising sound quality.
Product Overview
The OneforStrings 5T is a compact yet powerful acoustic amplifier. Below are its key components and features:

Figure 1: Front view of the Acus OneforStrings 5T Acoustic Guitar Amplifier, showcasing its black finish and protective grille.

Figure 2: Top view of the amplifier, highlighting the control panel with various knobs and input jacks.
Key Features:
- Inputs: Two separate inputs are available: one Mic-line input and one Line input.
- Controls per Input: Each input channel is equipped with controls for Gain/Volume, a 3-Band EQ (High, Mid, Low), and Effect Send.
- Master Volume: A dedicated Master Volume control manages the overall output level.
- AUX Input: A dedicated AUX input with its own volume control allows connection of external audio sources like iPods or MP3 players.
- Direct Output: Features a 1/4" jack for direct output, which is electronically balanced for clean signal transmission.
- Speaker Configuration: Equipped with a 5" woofer.
- Power Output: Delivers 40 watts of power.
Setup
- Unpacking: Carefully remove the amplifier and any accessories from the packaging. Ensure all components listed in the "What's in the Box" section are present.
- Placement: Place the amplifier on a stable, flat surface. Ensure adequate ventilation around the unit.
- Power Connection: Connect the provided power cord to the amplifier's power input (located on the rear panel) and then to a suitable electrical outlet. Ensure the power switch is in the OFF position before connecting to power.
- Instrument/Microphone Connection:
- For microphones or line-level instruments, use the Mic-line input.
- For other line-level instruments, use the Line input.
- For external audio devices (e.g., MP3 players), connect to the dedicated AUX input.
- External Connections (Optional): If using the direct output, connect a 1/4" cable from the DIRECT OUT jack to your mixing console or recording interface.

Figure 3: Rear panel of the amplifier, displaying the power input, power switch, and direct output connections.
Operating Instructions
- Power On: After all connections are made, switch the power button to the ON position.
- Initial Settings: Before playing, set all Gain/Volume, EQ, and Effect Send knobs to their minimum (counter-clockwise) positions. Set the Master Volume to a low level.
- Adjusting Input Gain/Volume:
- Play your instrument or speak into the microphone.
- Slowly increase the Gain/Volume knob for the active input channel until you achieve a strong, clear signal without distortion.
- Using the 3-Band EQ:
- HIGH: Adjusts the treble frequencies for brightness or warmth.
- MID: Controls the mid-range frequencies, affecting the presence and clarity of your sound.
- LOW: Adjusts the bass frequencies for depth and fullness.
- Experiment with these controls to shape your desired tone.
- Effect Send: If the amplifier has built-in effects or an effects loop, use the Effect Send knob to control the amount of signal sent to the effect processor.
- AUX Input Control: If using the AUX input, adjust its dedicated volume control to balance the external audio source with your instrument/microphone.
- Master Volume: Once individual channel levels are set, use the Master Volume knob to control the overall output level of the amplifier.
- Power Off: When finished, turn the Master Volume down, then switch the power button to the OFF position. Disconnect the power cord from the outlet.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the amplifier. Do not use abrasive cleaners, solvents, or waxes.
- Ventilation: Ensure that the ventilation grilles are not blocked to prevent overheating.
- Storage: Store the amplifier in a dry, cool place away from direct sunlight and extreme temperatures.
- Transportation: When transporting the amplifier, ensure it is securely packed to prevent damage from impacts.
- Service: Refer all servicing to qualified service personnel. Do not attempt to service the unit yourself.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output |
|
|
| Distorted sound |
|
|
| Humming or buzzing noise |
|
|
Specifications
- Model: OneforStrings 5T
- Item Model Number: 03000504
- Brand: Acus Sound Engineering
- Output Wattage: 40 Watts
- Speaker Size: 5" Woofer
- Inputs: Mic-line, Line, AUX (3.5mm Jack for AUX, 1/4" for others)
- Outputs: 1/4" Electronically Balanced Direct Output
- Power Source: Corded Electric
- Dimensions (L x W x H): Approximately 12 x 10 x 10 inches
- Item Weight: Approximately 16 pounds
- Color: Black
- Compatible Devices: Guitar, Microphone, other acoustic instruments
Warranty and Support
For detailed warranty information and technical support, please refer to the official Acus Sound Engineering website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Contact Information: Please visit www.acussound.it for the most up-to-date support and contact details.
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