Zoom AC-3 Acoustic Creator DI and Effects Pedal

The Zoom AC-3 Acoustic Creator is an acoustic-guitar preamp, direct box, tone-restoration processor, and effects pedal for players who want more control over a pickup-equipped instrument. It is designed to help restore body character that can be reduced when an acoustic guitar is amplified through a pickup. The pedal combines guitar modeling, EQ, dynamics control, effects, tuning, and feedback reduction in one floor-based unit.

It is suited to acoustic guitarists performing through PA systems, acoustic amplifiers, recording gear, or headphones. The input section supports piezo, magnetic, and passive pickups, with a dedicated pickup-selection switch to tailor its operation. A single volume control manages the preamp input gain and output level for practical level matching.

The AC-3 provides 16 source-guitar types and 15 target-guitar types for its acoustic remodeling section. Players can select a source body style that matches their instrument, then select a compatible target model for a different body character. This approach is intended for acoustic instruments ranging from dreadnought and orchestra guitars to resonator, nylon-string, 12-string, silent guitar, and upright bass.

For tone shaping, the pedal includes a 3-band EQ, a single-knob compressor, dedicated reverb controls, and nine adjustable effect types. Its boost switch supplies up to +9 dB for a louder passage or for balancing fingerpicking against strumming. An anti-feedback function finds and cuts a problematic feedback frequency, helping make amplified acoustic setups easier to manage onstage.

The AC-3 can serve as the central processor between an acoustic guitar and a PA, amp, mixer, recorder, headphones, or audio interface. Its two XLR balanced outputs and two 1/4-inch outputs support mono or stereo routing, including effects that benefit from stereo operation. It can run from the included Zoom AD-16 adapter, two AA batteries, or USB bus power from a computer.

Key Features

• Acoustic Remodeling: Uses 16 source and 15 target guitar types to shape amplified acoustic tone.
• Pickup Support: Selectable piezo, magnetic, or off modes accommodate common acoustic pickup systems.
• Nine Adjustable Effects: Includes chorus, delay, reverb, tremolo, and pad-style ambience options.
• 3-Band EQ And Compression: Provides bass, middle, treble, and single-knob dynamics adjustment.
• Feedback And Boost Controls: Includes automatic feedback reduction and foot-switchable boost up to +9 dB.
• Flexible Output Routing: Provides balanced XLR and 1/4-inch line/headphone connections for varied rigs.

Design & Installation

The AC-3 uses a pedal-format layout measuring 158 mm deep, 237 mm wide, and 52 mm high, with dedicated knobs, switches, LEDs, and footswitches for direct performance control. Zoom does not specify the enclosure material in its published specifications. Its top-panel controls separate guitar source and target selection, EQ, compression, reverb, effects, boost, tuning, and anti-feedback functions for quick access.

Connect the acoustic guitar to the standard mono 1/4-inch input using a shielded instrument cable. Connect a PA system or mixer through the balanced XLR outputs, or use the L/MONO/PHONES and R 1/4-inch outputs for line, stereo, or headphone applications; for mono balanced operation, use BALANCED OUT-L. Use the PRE/POST control to choose whether BALANCED OUT-L sends signal before or after AC-3 processing, and use ground lift if a ground loop causes noise.