How To Amp An Acoustic Guitar: A Comprehensive Guide

Acoustic guitar amplification allows acoustic guitar players to share their music with a wider audience, and at guitarplayers.net, we’re here to guide you through the best methods to amplify your acoustic guitar. Whether you’re a seasoned musician or a beginner, understanding how to amplify your acoustic guitar opens up a world of possibilities, enhancing your acoustic guitar sound and overall performance. Explore options, from acoustic guitar amps to PA systems, and discover how to get the best amplified acoustic tone.

1. What Is An Acoustic Guitar Amp And Why Use One?

An acoustic guitar amplifier is a specialized electronic device designed to enhance the sound of an acoustic guitar, delivering a clean and natural tone, so an acoustic guitar amp is essential for performers seeking clarity and volume. It’s the go-to choice for musicians aiming for a professional amplified acoustic sound.

Acoustic guitar amps are similar in purpose to electric guitar amps, but they differ significantly in sound. Acoustic amps are optimized for the tonal qualities of an electro-acoustic guitar’s pickup system, ensuring the character of your acoustic is translated authentically to the audience. According to experts at Guitar Player Magazine, using a dedicated acoustic amp enhances the natural tone of your instrument, making it ideal for live performances and recordings.

1.1. Key Features of Acoustic Guitar Amps

EQ Controls: Most acoustic amps have an EQ section, allowing you to adjust frequencies and tailor your sound to different venues.
Multiple Channels: Many amps feature a second channel with an XLR mic input, enabling you to use one channel for your guitar and another for vocals.
Built-in Effects: Some amps offer built-in effects like reverb and chorus, adding ambience and depth to your sound.

1.2. Benefits of Using an Acoustic Guitar Amp

Direct Control: Acoustic amps provide direct control over your sound, allowing for precise adjustments.
Portability: Many acoustic amps are compact and easy to carry, making them ideal for small gigs.
DI Output: Most acoustic amps have a DI output, allowing you to plug into a PA system for larger venues.

1.3. Popular Acoustic Guitar Amp Brands

AER: AER amps are highly regarded, with the Compact 60 model being a favorite among players.
Marshall: Marshall acoustic amps are popular for their affordability and feature set.
Fishman: Known for their excellent sound quality and reliability.

Image of an AER acoustic guitar amplifier showcasing its compact design and controls, ideal for delivering high-quality acoustic tones in various performance settings.

1.4. Is an Acoustic Guitar Amp Right for You?

If you frequently play smaller gigs where sound quality is crucial, an acoustic guitar amp is an excellent choice. It gives you the flexibility and control needed to fine-tune your sound. Plus, with a DI output, you can easily connect to a PA system for larger venues.

2. What Is A PA System And How Does It Differ From An Acoustic Amp?

A PA (Public Address) system is a set of high-wattage speakers designed to amplify sound in medium to large spaces, ensuring everyone can hear you, and it’s perfect for larger venues and band performances. PA systems provide a broader sound projection compared to acoustic amps.

PA systems are used to project audio in various settings, from function rooms to stadiums. They are designed to deliver high-quality sound to a large audience.

2.1. Components of a PA System

Speakers: Traditional PA systems consist of two speakers to create a stereo field, providing a three-dimensional sound.
Mixing Console: A mixing console controls the panning positions, volumes, and EQ settings of instruments.
Active vs. Passive Speakers: Most modern PA systems use active speakers with built-in amplifiers, while passive systems require a separate power amplifier.

2.2. Advantages of Using a PA System

Coverage: PA systems can fill larger spaces, making them suitable for bigger venues.
Versatility: PA systems can handle multiple instruments and vocals, offering more flexibility for a band setup.
Stereo Sound: PA systems create a stereo field, enhancing the listening experience for the audience.

2.3. Considerations When Choosing a PA System

Size of Venue: Consider the size of the venue when selecting a PA system to ensure adequate sound coverage.
Number of Inputs: Ensure the mixing console has enough channels for all instruments and vocals.
Ease of Setup: Look for a PA system that is easy to set up and transport.

Image of a full PA system setup with speakers, mixer, and microphones, illustrating a comprehensive sound reinforcement setup for live performances.

3. Acoustic Amp vs. PA System: Which Should You Choose?

Choosing between an acoustic amp and a PA system depends on your specific needs and performance environment. To decide what suits you better, it’s important to consider several factors like the size of the venue, the sound quality and control, the portability and setup, and the budget.

Here’s a comparison to help you decide:

Feature	Acoustic Amp	PA System
Venue Size	Small to medium venues	Medium to large venues
Sound Quality	Optimized for acoustic guitars, natural tone	Versatile, can handle multiple instruments and vocals
Control	Direct control over guitar sound, EQ, and effects	Broad control through mixing console, stereo imaging
Portability	Compact and easy to transport	Can be bulky, requires more setup
Setup	Simple, plug-and-play	More complex, requires connecting multiple components
Cost	Generally less expensive	Can be expensive, especially for high-quality systems
Typical Usage	Solo acoustic performances, small band gigs	Larger band performances, public speaking, events
Best For	Guitarists needing focused, high-quality acoustic sound	Bands needing comprehensive sound amplification
Sound Projection	Projects sound directly and clearly for smaller audiences	Distributes sound widely to fill larger spaces
EQ Capabilities	Provides specific EQ for acoustic guitars	Offers broader EQ adjustments across multiple channels
Vocal Integration	Some amps have a vocal channel; simpler setup	Designed to handle multiple vocal and instrument inputs
Onboard Effects	Often includes reverb, chorus, and other guitar-specific effects	Typically requires external effects processors

3.1. When to Choose an Acoustic Amp

Small Gigs: Ideal for coffee shops, small bars, and intimate venues where sound quality is paramount.
Solo Performances: Perfect for singer-songwriters who want direct control over their guitar sound.
Portability: If you need something easy to transport, an acoustic amp is a great choice.

3.2. When to Choose a PA System

Large Venues: Necessary for concerts, auditoriums, and outdoor events where you need to reach a large audience.
Band Performances: Essential for bands with multiple instruments and vocals.
Versatility: If you need to amplify various sound sources, a PA system is the way to go.

3.3. Hybrid Approach

Consider using an acoustic amp with a DI output connected to a PA system. This setup allows you to have direct control over your guitar sound while leveraging the PA system for broader coverage.

4. How To Choose The Right Acoustic Amp

Selecting the right acoustic amp involves understanding your specific needs and preferences. By considering factors such as wattage and speaker size, number of channels, built-in effects and tone shaping, portability, connectivity, and budget, you can find an amp that enhances your acoustic guitar’s natural sound and meets your performance requirements.

4.1. Wattage and Speaker Size

Wattage: Higher wattage amps are louder and suitable for larger venues. A 30-50 watt amp is often sufficient for small to medium gigs, while 100+ watts may be needed for bigger stages.
Speaker Size: Larger speakers (8-12 inches) typically produce a fuller, more resonant sound, while smaller speakers (6-8 inches) are more compact and portable.

4.2. Number of Channels

Single Channel: Suitable for guitar-only setups.
Multiple Channels: Look for amps with at least two channels if you plan to sing or play another instrument simultaneously. A second channel with an XLR input is ideal for vocals.

4.3. Built-In Effects and Tone Shaping

Reverb: Adds depth and ambience to your sound.
Chorus: Creates a lush, shimmering effect.
EQ Controls: Essential for shaping your tone and compensating for different room acoustics. Look for amps with bass, mid, and treble controls.

4.4. Portability

Size and Weight: Consider the amp’s dimensions and weight if you need to transport it frequently. Compact amps like the AER Compact 60 are popular for their portability.
Handles and Wheels: Check for sturdy handles and optional wheels for easy transport.

4.5. Connectivity

DI Output: Allows you to connect the amp directly to a PA system for larger venues.
Aux Input: Enables you to play along with backing tracks or connect external audio sources.
Headphone Output: Useful for silent practice.

4.6. Budget

Entry-Level Amps: These amps provide basic features and decent sound quality at an affordable price.
Mid-Range Amps: Offer more features, better sound quality, and greater durability.
High-End Amps: Designed for professional musicians, these amps deliver exceptional sound quality and a wide range of features.

5. How To Connect Your Acoustic Guitar To An Amp Or PA System

Connecting your acoustic guitar to an amp or PA system is a straightforward process that can significantly enhance your performance. Whether you’re using an acoustic amp or a PA system, understanding the correct connections and settings ensures optimal sound quality and prevents potential issues.

5.1. Connecting to an Acoustic Amp

Required Cable: Use a standard ¼-inch instrument cable.
Plug-In: Connect one end of the cable to the output jack on your acoustic guitar and the other end to the input jack on your acoustic amp.
Adjust Settings: Start with the amp’s volume and EQ controls set to neutral (usually the center position). Gradually increase the volume and adjust the EQ to achieve your desired tone.
XLR Connection (if applicable): If your amp has a second channel with an XLR input, you can connect a microphone for vocals. Use an XLR cable to connect your microphone to this input.

5.2. Connecting to a PA System

DI Box (Direct Input Box): A DI box is essential for connecting your acoustic guitar to a PA system. It converts the unbalanced signal from your guitar into a balanced signal that can be sent over long distances without noise.
Connect Guitar to DI Box: Use a ¼-inch instrument cable to connect your guitar to the input of the DI box.
Connect DI Box to PA System: Use an XLR cable to connect the output of the DI box to an input channel on the PA system’s mixing console.
Adjust Settings: On the mixing console, adjust the gain, EQ, and volume for the channel your guitar is connected to. Start with the gain low to avoid clipping and gradually increase it until you have a strong, clear signal.

5.3. Alternative Connection: Acoustic Amp with DI Output

Connect Guitar to Amp: Use a ¼-inch instrument cable to connect your guitar to the input of your acoustic amp.
Connect Amp to PA System: Use an XLR cable to connect the DI output of your acoustic amp to an input channel on the PA system’s mixing console.
Adjust Settings: Adjust the volume and EQ on your acoustic amp to achieve your desired tone. Then, adjust the gain, EQ, and volume on the mixing console to blend your guitar sound with the rest of the band.

5.4. Optimizing Your Sound

Avoid Ground Loops: Ground loops can cause unwanted hum or buzz. Ensure all your equipment is plugged into the same power source and consider using a ground lift on the DI box if necessary.
Monitor Speakers: Use monitor speakers to hear yourself clearly on stage. Adjust the monitor levels to achieve a comfortable balance between your guitar and other instruments.
Feedback: Be mindful of feedback, which occurs when the sound from the speakers is picked up by the guitar’s pickup and amplified again. Adjust your positioning relative to the speakers or use a feedback suppressor to minimize this issue.

Image illustrating how to connect an acoustic guitar to an amplifier, showing the necessary cables and connections for sound amplification.

6. Optimizing Your Amplified Acoustic Guitar Tone

Optimizing your amplified acoustic guitar tone involves understanding the various factors that influence your sound and making adjustments to achieve the best possible result. Experimenting with different techniques and settings can significantly enhance your amplified tone.

6.1. EQ Settings

Bass: Adjust the bass frequencies to add warmth and depth to your sound. Be careful not to overdo it, as too much bass can make your tone muddy.
Mid: Adjust the mid frequencies to control the body and presence of your guitar. Boosting the mids can help your guitar cut through the mix, while cutting them can create a more scooped sound.
Treble: Adjust the treble frequencies to add brightness and clarity to your sound. Be cautious with the treble, as too much can make your tone harsh or brittle.

6.2. Effects

Reverb: Adds ambience and depth to your sound. Use a subtle amount of reverb to create a sense of space without overwhelming your tone.
Chorus: Creates a lush, shimmering effect. Use chorus sparingly to avoid making your sound too artificial.
Delay: Adds rhythmic echoes to your sound. Experiment with different delay times and feedback settings to create interesting textures.

6.3. Pickup Choice

Piezo Pickups: Known for their bright, clear sound and resistance to feedback.
Magnetic Soundhole Pickups: Offer a warmer, more natural tone.
Internal Microphones: Capture the acoustic sound of your guitar with great detail but are more prone to feedback.

6.4. String Choice

Phosphor Bronze: Offer a warm, balanced tone.
80/20 Bronze: Provide a brighter, more articulate sound.
Silk and Steel: Deliver a mellow, smooth tone.

6.5. Guitar Setup

Action: Ensure the action (string height) is set correctly for comfortable playing and optimal tone.
Intonation: Check the intonation to ensure your guitar plays in tune across the entire fretboard.
Nut and Saddle: Make sure the nut and saddle are properly shaped and fitted for maximum sustain and clarity.

7. Essential Accessories For Amplifying Acoustic Guitar

Having the right accessories can significantly improve your experience when amplifying your acoustic guitar. A comprehensive toolkit ensures you are prepared for any performance situation, optimizing your sound and protecting your equipment.

7.1. Cables

Instrument Cables: High-quality instrument cables are essential for connecting your guitar to an amp or DI box. Look for cables with durable connectors and low capacitance to minimize signal loss.
XLR Cables: Used for connecting microphones to a mixing console or DI boxes to a PA system. Ensure you have enough XLR cables of various lengths for different setups.

7.2. DI Box

Active DI Box: Requires a power source and provides a stronger, cleaner signal. Ideal for guitars with weak pickups or long cable runs.
Passive DI Box: Does not require a power source and is suitable for guitars with strong pickups and shorter cable runs.

7.3. Microphone

Dynamic Microphone: Durable and versatile, suitable for vocals and instruments.
Condenser Microphone: Captures more detail and nuance but requires a power source.

7.4. Guitar Stand

A-Frame Stand: Compact and portable, suitable for home use and small gigs.
Tripod Stand: More stable and durable, ideal for stage performances.

7.5. Tuner

Clip-On Tuner: Attaches to the headstock of your guitar and provides accurate tuning in noisy environments.
Pedal Tuner: Connects in-line with your signal chain and allows for silent tuning on stage.

7.6. Preamp Pedal

Acoustic Preamp: Boosts your signal, shapes your tone, and provides additional features like EQ and effects.
DI Preamp: Combines the functions of a preamp and DI box, offering a convenient solution for amplifying your acoustic guitar.

7.7. Power Conditioner

Surge Protection: Protects your equipment from voltage spikes and power surges.
Noise Filtering: Reduces unwanted noise and hum from your signal.

8. Troubleshooting Common Amplification Issues

Even with the best equipment and setup, you may encounter issues when amplifying your acoustic guitar. Knowing how to troubleshoot these common problems can save you time and frustration, ensuring a smooth and successful performance.

8.1. Hum and Buzz

Ground Loop: Ensure all your equipment is plugged into the same power source. Use a ground lift on the DI box if necessary.
Cable Issues: Check for damaged or poorly shielded cables. Replace any suspect cables with high-quality alternatives.
Electrical Interference: Keep your guitar and amp away from sources of electrical interference, such as fluorescent lights and transformers.

8.2. Feedback

Positioning: Adjust your positioning relative to the speakers. Moving further away from the speakers or standing to the side can help reduce feedback.
EQ Adjustments: Cut frequencies around the feedback point using the EQ controls on your amp or mixing console.
Feedback Suppressor: Use a feedback suppressor pedal to automatically detect and eliminate feedback.

8.3. Weak Signal

Battery: If your guitar has an active pickup system, check the battery. Replace it if necessary.
Cable: Ensure your instrument cable is in good condition and properly connected.
Gain Settings: Increase the gain on your amp or mixing console to boost the signal.

8.4. Distorted Sound

Overloading: Reduce the input gain on your amp or mixing console to avoid overloading the signal.
Speaker Damage: Check for damaged speakers. If necessary, replace the speakers with new ones.
Clipping: Avoid clipping, which occurs when the signal exceeds the maximum level. Reduce the volume or gain to eliminate clipping.

8.5. Inconsistent Volume

Compressor: Use a compressor pedal to even out the volume levels.
Playing Technique: Maintain a consistent playing technique to avoid sudden changes in volume.
EQ Settings: Adjust the EQ settings to ensure a balanced sound across all frequencies.

9. Advanced Techniques For Acoustic Guitar Amplification

For experienced players looking to take their amplified acoustic guitar tone to the next level, several advanced techniques can be employed. These methods involve sophisticated gear and a deeper understanding of sound engineering principles.

9.1. Bi-Amplification

Dual Amps: Use two amplifiers, one for the low frequencies and one for the high frequencies. This technique provides greater clarity and separation.
Crossover: Use an electronic crossover to split the signal into low and high frequencies before sending it to the respective amplifiers.
Speaker Cabinets: Connect each amplifier to a separate speaker cabinet optimized for the specific frequency range.

9.2. Impulse Responses (IRs)

IR Loader: Use an IR loader pedal or software plugin to simulate the sound of different acoustic guitars and microphones.
Microphone Emulation: Load impulse responses of high-end microphones to capture the unique characteristics of each mic.
Acoustic Guitar Emulation: Use impulse responses of different acoustic guitars to change the sound of your instrument.

9.3. Stereo Amplification

Stereo Setup: Use two amplifiers and two speakers to create a wide stereo image.
Panning: Pan different frequencies or effects to opposite sides to enhance the stereo effect.
Spatial Effects: Use spatial effects like chorus and delay to create a more immersive sound.

9.4. Multi-Band Compression

Multi-Band Compressor: Use a multi-band compressor to compress different frequency ranges independently.
Dynamic Control: Tame harsh frequencies and boost weak frequencies to create a balanced and polished sound.
Precision: Achieve greater precision and control compared to traditional compression.

9.5. Acoustic Modeling

Acoustic Modeling Pedal: Use an acoustic modeling pedal to emulate the sound of different acoustic guitars.
Guitar Selection: Choose from a variety of acoustic guitar models, including dreadnought, jumbo, and parlor.
Customization: Adjust parameters like body resonance, string type, and microphone position to fine-tune your sound.

10. Exploring Acoustic Guitar Resources At Guitarplayers.net

At guitarplayers.net, we’re dedicated to providing comprehensive resources for guitar enthusiasts of all skill levels. Whether you’re a beginner or an experienced player, our website offers a wealth of information, tools, and community support to enhance your musical journey.

10.1. Lessons and Tutorials

Beginner Lessons: Start with the basics, including how to hold the guitar, strum chords, and play simple songs.
Intermediate Lessons: Advance your skills with more complex chords, fingerpicking techniques, and soloing strategies.
Advanced Lessons: Master advanced techniques like tapping, sweep picking, and alternate tunings.

10.2. Guitar Reviews

Acoustic Guitar Reviews: Read in-depth reviews of the latest acoustic guitars, from entry-level models to high-end instruments.
Acoustic Amp Reviews: Compare different acoustic amps to find the best one for your needs and budget.
Accessory Reviews: Discover the essential accessories for amplifying your acoustic guitar, including cables, DI boxes, and microphones.

10.3. Guitar Tabs and Sheet Music

Extensive Library: Access a vast library of guitar tabs and sheet music for various genres, including rock, pop, blues, and classical.
Accurate Transcriptions: Find accurate transcriptions of your favorite songs, created by experienced guitarists.
User Submissions: Share your own transcriptions and arrangements with the community.

10.4. Community Forum

Connect with Fellow Guitarists: Join our community forum to connect with fellow guitarists from around the world.
Ask Questions: Get answers to your questions about guitar playing, gear, and music theory.
Share Your Music: Share your own recordings and performances with the community and get feedback.

10.5. Expert Advice

Articles: Read articles on various topics, including guitar maintenance, tone shaping, and recording techniques.
Interviews: Get insights from professional guitarists and industry experts.
Gear Guides: Find comprehensive guides to help you choose the right gear for your needs.

10.6. Events and Workshops

Online Workshops: Participate in online workshops led by experienced instructors.
Local Events: Find local guitar events and workshops in your area.
Festivals: Discover the best guitar festivals around the world.

Ready to enhance your acoustic guitar experience? Visit guitarplayers.net today to explore our lessons, reviews, tabs, and community forum. Connect with fellow guitarists and take your playing to the next level. For more information, visit our website or contact us at 1140 Boylston Street, Boston, MA 02215, United States, Phone: +1 (617) 747-2261.

FAQ: How To Amp An Acoustic Guitar

1. Can I plug my acoustic guitar into any amp?

No, it’s best to use an acoustic guitar amp or a PA system to maintain the natural tone of your acoustic guitar.

2. What is the difference between an acoustic amp and an electric amp?

Acoustic amps are designed to produce a clean, natural sound, while electric amps are designed to add distortion and color to the sound.

3. Do I need a DI box to connect my acoustic guitar to a PA system?

Yes, a DI box converts the unbalanced signal from your guitar into a balanced signal for the PA system.

4. What is the best wattage for an acoustic guitar amp?

A 30-50 watt amp is sufficient for small to medium gigs, while 100+ watts may be needed for larger stages.

5. How do I reduce feedback when amplifying my acoustic guitar?

Adjust your positioning relative to the speakers, use EQ to cut frequencies around the feedback point, or use a feedback suppressor.

6. What are the essential accessories for amplifying an acoustic guitar?

Essential accessories include high-quality instrument cables, a DI box, a microphone (if singing), and a tuner.

7. How do I optimize the EQ settings on my acoustic amp?

Adjust the bass, mid, and treble frequencies to achieve a balanced sound that complements your guitar and the venue.

8. What is an impulse response (IR) and how can it improve my sound?

An IR simulates the sound of different acoustic guitars and microphones, allowing you to capture the unique characteristics of each mic.

9. Can I use effects with my acoustic guitar?

Yes, effects like reverb, chorus, and delay can enhance your sound, but use them sparingly to avoid making your tone too artificial.

10. Where can I find more resources for learning about acoustic guitar amplification?

Visit guitarplayers.net for lessons, reviews, tabs, and a community forum to connect with fellow guitarists.