Roland AC-90 Acoustic Guitar Amplifier

 

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 (3inches x 2inches) 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

 

 

 

Indicator

 

 

[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 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, Dual Footswitch: BOSS FS-6, BOSS FS-7

 

 

 

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

 

 

13.9 kg
30 lbs. 11 oz.