JOYO AC-40 Acoustic Guitar Amplifier
User Manual
Product Overview
The JOYO AC-40 is a compact and powerful amplifier designed specifically for acoustic guitars. It delivers clear, natural tone with versatile features to enhance your playing experience.
Key Features
- 40W RMS power output for ample volume.
- 8-inch custom-designed speaker for authentic acoustic sound reproduction.
- Integrated 3-band EQ (Bass, Middle, Treble) for precise tone shaping.
- Built-in Reverb and Chorus effects to add depth and dimension to your sound.
- Headphone output for silent practice.
- Auxiliary input (AUX IN) for connecting external audio devices like MP3 players or backing tracks.
- Compact and portable design, making it easy to transport.
Product Appearance
The JOYO AC-40 amplifier features a classic, robust design. It is a compact, rectangular unit, typically finished in black. The front panel houses all the controls and the speaker grille. The top panel contains the input jack, EQ controls, volume knob, effect controls (Reverb, Chorus), headphone jack, auxiliary input, and the power input.
Controls
Top Panel Controls
- INPUT: A standard 1/4" mono jack for connecting your acoustic guitar.
- EQ: This section includes three rotary knobs:
- BASS: Adjusts the low frequencies.
- MIDDLE: Adjusts the mid-range frequencies.
- TREBLE: Adjusts the high frequencies.
- VOLUME: A rotary knob to control the overall output volume of the amplifier.
- REVERB: A rotary knob to adjust the intensity of the built-in reverb effect.
- CHORUS: A rotary knob to adjust the intensity of the built-in chorus effect.
- PHONES: A 1/4" stereo jack for connecting headphones, allowing for private practice.
- AUX IN: A 1/8" stereo jack for connecting external audio sources.
- DC IN: A jack for connecting the included power adapter.
Rear Panel
The rear panel typically houses the DC power input jack and may include other essential connections, though specific details are not elaborated in the provided visual information.
Specifications
| Parameter | Value |
|---|---|
| Output Power | 40W RMS |
| Speaker | 8-inch custom speaker |
| Dimensions (W x H x D) | 350mm x 300mm x 200mm |
| Weight | 8kg |
| Power Supply | DC 18V/3A (Adapter included) |
Important Safety Information
Please read and follow all safety instructions carefully before operating the JOYO AC-40 amplifier.
- Read these instructions thoroughly.
- Keep these instructions for future reference.
- Heed all warnings and follow all instructions provided.
- Do not use this apparatus near water or expose it to moisture.
- Clean only with a dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Avoid installing near heat sources such as radiators, heat registers, stoves, or other heat-producing apparatus.
- Do not bypass the safety features of polarized or grounding-type plugs. Ensure your outlet is properly grounded.
- Protect the power cord from being walked on or pinched, especially at the plug and where it exits the apparatus.
- Use only attachments and accessories specified by the manufacturer.
- When using a cart, exercise caution when moving the cart/apparatus combination to prevent tip-over injuries.
- Unplug this apparatus during lightning storms or when unused for extended periods.
- Refer all servicing to qualified service personnel. Servicing is required if the apparatus is damaged, has had liquid spilled on it, does not operate normally, or has been dropped.
- Do not expose the apparatus to dripping or splashing, and do not place objects filled with liquids on it.
- Ensure the apparatus is connected to a mains socket outlet with a grounding connection.
- If the provided plug does not fit your outlet, consult an electrician.
- Caution: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
- Caution: Replace fuses only with fuses of the same type and rating.
- Caution: Do not open the casing.
