AC-90

Acoustic Chorus Guitar Amplifier

The Arrival of a Future Classic

Information

(Jun. 28, 2013)
The latest member of the AC family offers powerful, dynamic sound with exceptional portability. Meet the new AC-40!

The Arrival of a Future Classic

The highly anticipated addition to Roland's AC-series amp family has arrived! Loaded with high-performance speakers and 90 watts of power, the AC-90 provides a rich, powerful sound while remaining lightweight for easy transport. The AC-90 employs a stereo 2-way speaker system that delivers transparent highs — great for the built-in multi-band stereo chorus — while also providing incredibly powerful low-frequency performance.

  • - Lightweight yet powerful featuring state-of-the-art speaker technology
  • - Stereo 2-way speaker system provides full-range performance
  • - Natural stereo acoustic sound
  • - 90 watts of stereo power (45W+45W)
  • - Dual channels: Guitar input (Piezo/Magnetic) and phantom-powered Mic/Line input
  • - Roland's famous stereo multi-band chorus with WIDE mode, plus reverb/delay
  • - Anti-feedback control feature
  • - Convenient onboard tilt stand; optional speaker stand available
  • - Quality carrying case included

Legacy of Excellence

The AC-90 isn't just any new amp on the block … it's the long-awaited addition to Roland's industry-leading AC-series amp family. Roland's reputation for world-class sound, amazing performance, portability, and top-quality construction in the AC series are all upheld in this stunning new amplifier.

Power Performer

With 90 watts of stereo power (45W+45W) driving top-quality speakers, the AC-90 delivers exceptional full-range performance — from shimmering, crystal-clear highs to full-impact bottom end. This amp is more than capable of cutting though a wall of sound.

Anti-Feedback Control

Enjoy maximum volume without feedback. Simply dial in the offending frequency and the AC-90 will suppress the feedback. This allows you to roam the stage with confidence — even with 90 watts of powerful sound at your back.

Immersive Stereo FX

The AC-90’s onboard stereo effects benefit from Roland’s decades of industry-leading R&D. Experience the amazing spatial depth and lush sound of the stereo multi-band chorus, complete with developed WIDE mode. Delay and Reverb are provided as well, and can be controlled via footswitch.

Versatility

In addition to its amazing acoustic-guitar amplification qualities, the AC-90 can also function as a portable PA system thanks to its dual-channel architecture and phantom-powered Microphone input. Sing and play guitar through one convenient amplifier, with impressive power and full-range performance.

SPECIFICATIONS

Rated Power Output
45 W + 45 W
Nominal Input Level (1 kHz)
GUITAR Channel: -10 dBu
MIC/LINE Channel: -50/-10 dBu
AUX IN: -10 dBu
Nominal Output Level (1 kHz)
DI/TUNER OUT: +4 dBu
LINE OUT: +4 dBu
SUB WOOFER OUT: +4 dBu
Speakers
Woofer: 20 cm (8 inches) x 2
Tweeter: 8 cm x 5 cm (3 inches x 2 inches) x 2
Controls
[GUITAR Channel]
PICKUP Switch (PIEZO, MAGNETIC)
SHAPE Switch
VOLUME Knob
BASS Knob
MIDDLE Knob
TREBLE Knob
CHORUS Switch
[MIC/LINE Channel]
PHANTOM Switch
SELECT Switch (MIC, LINE)
VOLUME Knob
BASS Knob
MIDDLE Knob
TREBLE Knob
CHORUS Switch
[CHORUS]
CHORUS Knob (SPACE, RICH, WIDE)
[REVERB/DELAY]
REVERB/DELAY Knob
[ANTI-FEEDBACK]
FREQUENCY Knob
START Button
MUTE Switch
MASTER Knob
POWER Switch
Indicators
[GUITAR Channel]
CHORUS
[MIC/LINE Channel]
CHORUS
ANTI-FEEDBACK
MUTE
POWER
Connectors
[GUITAR Channel]
Input Jack (1/4-inch phone type)
[MIC/LINE Channel]
Input Jacks
(XLR type, balanced, phantom power : DC 48 V, 10 mA Max)
(1/4-inch TRS phone type, balanced)
AUX IN Jacks
L, R (RCA phono type)
L (MONO), R (1/4-inch phone type)
DI/TUNER OUT Jack (1/4-inch TRS phone type)
LINE OUT Jacks
L, R (XLR type)
MONO (1/4-inch phone type)
SUB WOOFER OUT Jack (1/4-inch phone type)
PHONES Jack (Stereo 1/4-inch phone type)
FOOT SW Jacks
TIP: MUTE, RING: ANTI-FEEDBACK (1/4-inch TRS phone type)
TIP: CHORUS, RING: REVERB/DELAY (1/4-inch TRS phone type)
Power Consumption
30 W
Accessories
Carrying Case
Owner's Manual
Options (Sold separately)
Footswitch: BOSS FS-5L (Mute On/Off), BOSS FS-5U, BOSS FS-6

Size and Weight

Width (W)
464 mm18-5/16 inches
Depth (D)
303 mm11-15/16 inches
Height (H)
326 mm12-7/8 inches
Weight
13.9 kg30 lbs. 11 oz.

* 0 dBu = 0.775 Vrms

All specifications and appearances are subject to change.

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