BOSSCO AC-3 Manuel utilisateur

Owner’s Manual

DCAC

AC & BATTERY

POWERED

FET

Thank you, and congratulations on your choice of BOSS AC-3 Acoustic Simulator.

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and

“IMPORTANT NOTES” (separate sheet). These sections provide important information con-

cerning the proper operation of the unit.

Additionally, in order to feel assured that you have gained a good grasp of every feature pro-

vided by your new unit, this manual should be read in its entirety. The manual should be

saved and kept on hand as a convenient reference.

A battery is supplied with the unit. The life of this battery may be limited, however, since

its primary purpose was to enable testing.

written permission of BOSS CORPORATION.

Main Features

●

Effects processor utilizes COSM technology to transform electric guitar input into beautiful

acoustic guitar sounds.

●

MODE knob allows you to select from a choice of four different acoustic guitar characters

(tones).

●

Features two types of output jacks, one for guitar amps and another for line out jacks, pro-

viding you with outputs suited to the connected device.

●

“BODY” and “TOP” knobs can be used to adjust the acoustic guitar’s characteristic body

resonance and harmonics, allowing you to produce a wide variety of tones.

●

Includes high-quality reverb developed exclusively for the AC-3.

COSM (Composite Object Sound Modeling)

Composite Object Sound Modeling (COSM) is BOSS/Roland’s innovative and powerful sound

modeling technology.

COSM analyzes the many factors that make up the original sound, such as the electrical and

physical characteristics of the original, and then produces a digital model that can reproduce

the same sound.

Panel Descriptions

fig.01

1. AC Adaptor Jack

Accepts connection of an AC Adaptor (op-

tionally available BOSS PSA-series). By using

an AC Adaptor, you can play without being

concerned about how much battery power

you have left.

* If there are batteries in the unit while an AC

adaptor is being used, normal operation will

continue should the line voltage be inter-

rupted (power blackout or power cord discon-

nection).

* Use only the specified AC adaptor (PSA-

series).

2. CHECK Indicator

This indicator shows whether an effect is

ON/OFF, and also doubles as the Battery

Check indicator. The indicator lights when

an effect is ON.

Panel Descriptions

If this indicator goes dim or no longer lights

while an effect is ON, the battery is near

exhaustion and should be replaced immedi-

ately. For instructions on changing the battery,

refer to

“Changing the Battery” (p. 16)

The CHECK indicator shows whether the

effect is being applied or not. It does not

indicate whether the power to the device

is on or not.

3. LINE OUT Jack

This output jack is used for connecting to

mixers, recorders, and other devices that ac-

cept line-level input.

When a cable is also connected to the G.AMP

OUT jack, the output is sent from the LINE

OUT jack when the effect is switched on,

while the output is muted when the effect is

switched off.

For details, see “Connections” (p. 8–p. 13).

4. G.AMP (Guitar Amp) OUT Jack

This output jack is used for connecting to

guitar amps and other effects processors.

The effect sound or direct sound is output

from here depending on whether the effect is

switched on or off.

When a cable is simultaneously connected to

the LINE OUT jack, the output from the

G.AMP OUT jack is muted when the effect is

switched on, while the direct sound is output

when the effect is switched off.

For details, see “Connections” (p. 8–p. 13).

5. Pedal Switch

This switch turns the effects on/off.

Panel Descriptions

6. Thumbscrew

When this screw is loosened, the pedal will

open, allowing you to change the battery.

* For instructions on changing the battery,

refer to “Changing the Battery” (p. 16).

7. INPUT Jack

This jack accepts input signals (coming from

a guitar, some other musical instrument, or

another effects unit).

* The INPUT jack doubles as power switch.

Power to the unit is turned on when you plug

into the INPUT jack; the power is turned off

when the cable is unplugged. When not using

the effects unit, be sure to disconnect the plug

from the INPUT jack.

fig.02

8. REVERB Knob

This adjusts the amount of reverb applied to

the sound.

9. LEVEL Knob

This adjusts the volume of the effect sound.

11 12

8 9

Panel Descriptions

. BODY Knob

This adjusts the resonance of the sound pro-

duced by the guitar body, altering the char-

acteristic mellowness and breadth of the

acoustic guitar sound.

. TOP Knob

This adjusts the sense of attack and the har-

monic content of the upper range.

. MODE Knob

Provides for selection of the tone. The knob can be used to select any of four tones.

STANDARD

This tone is that of the popular Dreadnought acoustic guitar body style.

JUMBO

This setting provides a tone characteristic of an oversized guitar body,

a tone featuring a rich bass response along with a beautiful high end.

ENHANCE

Providing a sharper attack than the standard tone, this tone does not

become masked by the sounds of other instruments, even in bands and

ensembles.

PIEZO

This setting provides the tone of a round-back acoustic guitar,

with subdued body resonance and a unique attack.

Connections

* Raise the amp volume only after turning on the

power to all connected devices.

*The use of an AC adaptor is recommended as the

unit’s power consumption is relatively high.

Should you prefer to use batteries, please use the

alkaline type.

* To prevent malfunction and/or damage to

speakers or other devices, always turn down the

volume, and turn off the power on all devices

before making any connections.

* If there are batteries in the unit while an AC

adaptor is being used, normal operation will

continue should the line voltage be interrupted

(power blackout or power cord disconnection).

*Once the connections have been completed, turn

on power to your various devices in the order

specified. By turning on devices in the wrong

order, you risk causing malfunction and/or

damage to speakers and other devices.

When powering up:

Turn on the power to your guitar amp last.

When powering down:

Turn off the power to your guitar amp first.

* Always make sure to have the volume level

turned down before switching on power. Even

with the volume all the way down, you may still

hear some sound when the power is switched on,

but this is normal, and does not indicate a

malfunction.

* When operating on battery power only, the

CHECK indicator will become dim when battery

power gets too low. Replace the battery as soon

as possible.

NOTE (Placement)

Depending on the material and temperature of the surface on which you place the unit, its bottom cover (rubber) may

discolor or mar the surface. You can place a piece of felt or cloth under the bottom cover to prevent this from happening.

If you do so, please make sure that the unit will not slip or move accidentally.

Connections

When Connecting to a Guitar Amp

fig.09

AC Adaptor

BOSS PSA-series

(sold separately)

OUT 9V DC/200 mA

Guitar Amp Multiple Effects, etc.

Electric Guitar

Connections

When Connecting to a PA System, Recorder, or Similar Equipment

fig.10

PA System

Recorder

AC Adaptor

BOSS PSA-series

(sold separately)

Electric Guitar

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