Product Description

The highly anticipated addition to Roland’s AC-series amp family has arrived! Loaded with high-performance neodymium 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.

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 neodymium 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, thanks to the AC-90’s sophisticated ANTI-Feedback feature. 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 newly 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, sub output and phantom-powered Microphone input. Sing and play guitar through one convenient amplifier, with impressive power and full-range performance.

Features

Lightweight yet powerful featuring state-of-the-art neodymium 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

Technical Description

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 20cm (8inches) x 2, Tweeter 8cm x 5cm x 2 (3inches x 2inches) x 2

Controls:
(GUITAR Channel)
PICKUP Switch (PIEZO/MAGNETIC), SHAPE Switch, VOLUME Knob, Equalizer Knobs (BASS, MIDDLE, TREBLE), CHORUS Switch

(MIC/LINE Channel)
PHANTOM Switch, SELECT Switch (MIC/LINE), VOLUME Knob, Equalizer Knobs (BASS, MIDDLE, TREBLE), CHORUS Switch
CHORUS Knob, REVERB/DELAY Knob

(ANTI-FEEDBACK)
FREQUENCY Knob, START Button
MUTE Switch
MASTER Knob
POWER Switch

Indicator:
CHORUS (GUITAR Channel, MIC/LINE Channel)
ANTI-FEEDBACK
MUTE
POWER

Connectors:
GUITAR Channel Input Jack (1/4 in. phone type)
MIC/LINE Input Jacks (XLR type, 1/4 in. phone type)
AUX IN Jacks (RCA phono type,1/4 in. phone type)
DI/TUNER OUT Jack (1/4 in. TRS phone type)
LINE OUT Jacks (XLR type, 1/4 in. phone type)
SUB WOOFER OUT Jack (1/4 in. phone type)
PHONES Jack (Stereo 1/4 in. phone type)
FOOT SWITCH Jacks (1/4 in. TRS phone type)

Power Supply: AC 117 V, AC 230 V, AC 240 V (50/60 Hz)

Power Consumption: 30 W

Accessory: Carrying Case, Owner's Manual

Options: Foot Switch: BOSS FS-5L (Mute On/Off), BOSS FS-5U, BOSS FS-6

Connection Cable: PCS-31

Size and Weight
Width: 464 mm, 18-5/16 inches

Depth: 303 mm, 11-15/16 inches

Height: 326 mm, 12-7/8 inches

Weight: 11.7 kg, 25 lbs. 13 oz.

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