Fender Acoustic SFX II Acoustic Guitar Combo Amplifier

Introduction

The Fender Acoustic SFX II amplifier is designed to deliver exceptional performance for acoustic guitar and vocals. This powerful and portable system features two independent channels, each capable of accommodating an instrument or a microphone. It incorporates Fender's proprietary Stereo Field Expansion (SFX) technology, which creates a room-filling, immersive sound experience. Additional features include Bluetooth wireless audio streaming and a 90-second looper, making it a versatile tool for practice, performance, and creative expression.

Figure 1: Fender Acoustic SFX II Amplifier with included accessories (instrument cable, picks, instructional DVD).

Key Features

• Dual Channels: Two identical channels, each with 3-band EQ and eight selectable effects, designed for interchangeable use with instruments or microphones.
• Stereo Field Expansion (SFX) Technology: Patented system that utilizes a side-radiating speaker to create a wide, room-filling, and immersive stereo sound image, enhancing the depth of natural acoustic guitar sound.
• 90-Second Looper: Integrated looper function with Record/Dub, Play/Stop, and Undo buttons, allowing for on-the-spot creation of backing loops for practice or performance.
• Bluetooth Connectivity: Enables wireless audio streaming from compatible devices such as phones and tablets, ideal for playing along with backing tracks or intermission music.
• Universal Voltage: Designed for global use, supporting various voltage standards.

Controls and Connections

Front Panel Controls

The front panel provides access to all primary controls for both channels and the master section.

Figure 2: Detailed view of the amplifier's front panel, showing controls for Channel 1, Channel 2, effects, and the looper.

• POWER Indicator: Illuminates when the amplifier is powered on.
• Channel 1 & 2 Inputs: Combo XLR/1/4" inputs for connecting instruments or microphones.
• PHASE Button: Reverses the phase of the input signal to help reduce feedback.
• VOLUME Knob: Adjusts the input level for each channel.
• LOW, MID, HIGH Knobs: 3-band equalizer controls for adjusting bass, midrange, and treble frequencies for each channel.
• FX SELECT Knob: Selects one of eight available effects (Room, Hall, Echo, Delay, Chorus, Vibratone, DLY+CHO, DLY+REV).
• FX LEVEL Knob: Adjusts the intensity or mix of the selected effect.
• LOOPER Controls: Dedicated buttons for Record/Dub, Play/Stop, and Undo functions for the 90-second looper.
• O'PAIR Button: Bluetooth pairing button.

Rear Panel Connections

The rear panel provides various input and output options for external devices.

Figure 3: Rear panel of the amplifier, showing power input, line outputs, auxiliary input, headphone jack, USB port, and footswitch connection.

• POWER Switch: Turns the amplifier on or off.
• AC IN: Power cord input.
• PHONES: 1/4" stereo headphone output for silent practice.
• LINE OUT (Left/Right): XLR balanced outputs for connecting to a PA system or recording interface.
• AUX IN: 1/8" stereo input for connecting external audio devices like MP3 players or smartphones.
• USB: USB port for firmware updates or direct recording to a computer.
• FTSW (Footswitch): Input for an optional 4-button footswitch to control looper and effects.

Setup

1. Unpacking: Carefully remove the amplifier and all accessories from the packaging. Inspect for any signs of damage.
2. Placement: Place the amplifier on a stable, flat surface. Ensure adequate ventilation around the unit.
3. Power Connection: Connect the supplied AC power cord to the AC IN jack on the rear panel and then to a grounded electrical outlet.
4. Initial Power On: Before turning on, ensure all volume knobs are set to minimum. Flip the POWER switch to the ON position. The POWER indicator on the front panel will illuminate.
5. Connecting Instruments/Microphones: Plug your acoustic guitar or microphone into either Channel 1 or Channel 2 input using appropriate cables (1/4" instrument cable or XLR microphone cable).
6. Optional Connections:
   • For external audio playback, connect a device to the AUX IN jack.
   • For recording or connecting to a PA system, use the LINE OUT XLR jacks.
   • For silent practice, connect headphones to the PHONES jack.
   • For hands-free control, connect an optional footswitch to the FTSW jack.

Operation

Basic Operation

1. Adjusting Volume: Slowly increase the VOLUME knob for the channel you are using until the desired loudness is achieved.
2. Tone Shaping: Use the LOW, MID, and HIGH EQ knobs to adjust the tonal characteristics of your instrument or vocal. Experiment to find the sound that best suits your needs.
3. Feedback Reduction: If feedback occurs, press the PHASE button on the affected channel to reverse the signal phase. Adjusting your position relative to the amplifier can also help.

Using Effects

1. Selecting an Effect: Turn the FX SELECT knob to choose one of the eight built-in effects.
2. Adjusting Effect Level: Use the FX LEVEL knob to control how much of the selected effect is applied to the signal.

Looper Function

The 90-second looper allows you to record and layer audio phrases.

1. Record: Press the RECORD/DUB button once to start recording. The LED will illuminate red.
2. Play: Press the PLAY/STOP button once to stop recording and start playback. The LED will illuminate green.
3. Overdub: While playing, press the RECORD/DUB button again to record another layer over your existing loop. The LED will flash red.
4. Stop: Press the PLAY/STOP button twice quickly to stop playback and clear the loop.
5. Undo: Press the UNDO button to remove the last recorded layer.

Bluetooth Audio Streaming

1. Pairing Mode: Press and hold the O'PAIR button on the front panel until the Bluetooth indicator light begins to flash.
2. Connect Device: On your Bluetooth-enabled device (e.g., smartphone, tablet), search for available devices and select "Fender Acoustic SFX II".
3. Confirmation: Once paired, the Bluetooth indicator light on the amplifier will glow solid. You can now stream audio wirelessly through the amplifier.

Care and Maintenance

• Cleaning: Use a soft, dry cloth to clean the amplifier's exterior. Avoid using abrasive cleaners or solvents.
• Storage: When not in use, store the amplifier in a dry, cool environment, away from direct sunlight and extreme temperatures.
• Ventilation: Ensure that the amplifier's vents are not obstructed to prevent overheating.
• Transportation: When moving the amplifier, use the integrated handle and ensure it is securely placed to prevent damage.

Troubleshooting

Specifications

Warranty and Support

Fender products are manufactured to high quality standards and are typically covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty information provided with your purchase or visit the official Fender website. For technical support, service, or replacement parts, please contact Fender customer service or an authorized Fender service center. Keep your purchase receipt as proof of purchase for warranty claims.

You can visit the official Fender store on Amazon for more information: Fender Store