Boss AD-2 Bedienungsanleitung

Boss Gitarrenverstärker AD-2

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Owner’s Manual

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (supplied on a separate sheet).

After reading, keep the document(s) where it will be available for immediate reference.

Outputting the reverberation (ambience) only

to the OUTPUT jack

If you want to process the reverberation on your mixer, you can

output the reverberant sound only from the OUTPUT jack; the

reverberant sound is not output from the LINE OUT jack.

1. While holding down the pedal, turn on the power and

continue holding down the pedal.

The CHECK indicator is lit.

2. Turn the AMBIENCE knob to specify the setting.

The reverberant sound

is output from both the

OUTPUT jack and the

LINE OUT jack (the check

indicator blinks rapidly)

The reverberant sound

is output only from the

OUTPUT jack (the check

indicator blinks)

3. Release the pedal to complete the setting.

Precautions When Connecting

* To prevent malfunction and equipment failure, always turn

down the volume, and turn o all the units before making any

connections.

* the connections have been completed, turn on power Once

to your various devices in the order specied. 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 amp last.

When powering down: Turn o the power to your amp rst.

* Immediately after the unit is powered-on, the eect is on.

Use of Battery

* A battery was installed in the unit before it left the factory. The

life of this battery may be limited, however, since its primary

purpose was to enable testing.

* If you handle batteries improperly, you risk explosion and uid

leakage. Make sure that you carefully observe all of the items

related to batteries that are listed in “USING THE UNIT SAFELY”

and “IMPORTANT NOTES” (supplied on a separate sheet).

* When operating on battery power only, the unit’s indicator will

become dim when battery power gets too low. Replace the

battery as soon as possible.

* Before turning the unit on/o, always be sure to turn the

volume down. Even with the volume turned down, you might

hear some sound when switching the unit on/o. However,

this is normal and does not indicate a malfunction.

* If operating this unit on batteries, please use alkaline batteries.

Changing the Battery

1. Hold down the pedal and loosen the thumbscrew, then

open the pedal upward.

* The pedal can be opened without detaching the thumbscrew

completely.

Thumbscrew

Battery Housing

Pedal

Spring Base

Coil Spring

Guide Bush

Hole

Battery Snap

Cord

Battery

Snap

9 V Battery

2. Remove the old battery from the battery housing, and

remove the snap cord connected to it.

3. Connect the snap cord to the new battery, and place

the battery inside the battery housing.

* Be sure to carefully observe the battery’s polarity (+ versus -).

4. Slip the coil spring onto the spring base on the back of

the pedal, and then close the pedal.

* Carefully avoid getting the snap cord caught in the pedal, coil

spring, and battery housing.

5. Finally, insert the thumbscrew into the guide bush

hole and fasten it securely.

Specications

BOSS AD-2: Acoustic Preamp

Nominal Input Level -20 dBu

Input Impedance 10 MΩ

Nominal Output Level -20 dBu

Output Impedance OUTPUT: 1 kΩ

LINE OUT: 600 Ω

Recommended Load

Impedance

OUTPUT: 10 kΩ or greater

LINE OUT: 600 Ω or greater

Power Supply

DC 9 V: Alkaline battery (9 V, 6LR61)/

Carbon-zinc battery (9 V, 6F22),

AC Adaptor (sold separately)

Current Draw

55 mA

* Expected battery life under continuous

use:

Alkaline: Approx. 6 hours

These gures will vary depending on

the actual conditions of use.

Dimensions 73 (W) x 129 (D) x 59 (H) mm

2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches

Weight 450 g/1 lb (including battery)

Accessories

Owner’s Manual,

Leaet (“USING THE UNIT SAFELY,”

“IMPORTANT NOTES,” and “Information”),

Alkaline battery (9 V, 6LR61)

Option

(sold separately) AC adaptor (PSA series)

* 0 dBu = 0.775 Vrms

* This document explains the specications of the product at the

time that the document was issued. For the latest information,

refer to the Roland website.

* 5100053376- 01*

English

Main Features

Panel Descriptions

INPUT jack

This jack accepts signals coming from an

acoustic-electric guitar.

* The INPUT jack doubles as the power switch. Power

to the unit is turned on when you plug into the

INPUT jack; the power is turned o when the cable

is unplugged. To prevent unnecessary battery

consumption, be sure to disconnect the plug from

the INPUT jack when not using the eects unit.

LINE OUT jack

Mixer

OUTPUT jack

Connect this output jack to an amp

that’s designed for acoustic-electric

guitars.

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.”

This is a balanced (TRS) type output jack.

Connect it to your mixer or recorder.

* This cannot be used as a headphone jack.

* Pin assignment of the LINE OUT jack

Recorder

AC Adaptor

(PSA series: optional)

DC IN jack

Accepts connection of an AC Adaptor (PSA series; optional). By using an AC Adaptor, you can play

without being concerned about how much battery power you have left.

* Use only the specied AC adaptor (PSA series; sold separately), and connect it to an AC outlet

of the correct voltage. Do not use any other AC adaptor, since this may cause malfunction.

* If the AC adaptor is connected while a battery is installed, the power

supply is drawn from the AC adaptor.

* We recommend that you keep batteries installed in the unit even

though you’ll be powering it with the AC adaptor. That way, you’ll be

able to continue a performance even if the cord of the AC adaptor gets

accidentally disconnected from the unit.

CHECK indicator

This indicator shows whether the eect is on or o, and also doubles as the battery check

indicator. The indicator lights when the eect is on.

This blinks when the output is muted.

* If you’re powering the unit with a battery and the CHECK indicator goes dim— or

doesn’t light at all—when you try to turn the eect on, the battery is near depletion

and should be replaced. For instructions on changing the battery, refer to “Changing

the Battery.”

* The CHECK indicator shows whether the eect is being applied or not. It does not

indicate whether the power to the device is on or not.

Acoustic-electric guitar amplier

AMBIENCE knob

ACOUSTIC RESONANCE knob

Acoustic-electric guitar

NOTCH knob

Pedal switch

This switch turns the eect on/o.

If you hold down the pedal switch for two seconds or longer, the CHECK

indicator blinks and the output sound is muted. Press once again to cancel

muting. This is convenient when tuning your instrument.

Adjusts the depth of reverberation (ambience).

The AD-2 is a preamp designed specically for acoustic-electric guitars.

It is equipped with an ACOUSTIC RESONANCE knob that adds the natural resonance of an acoustic guitar that’s often lost by the pickup of an acoustic-electric guitar,

an AMBIENCE knob that adds rich reverberation, and a NOTCH knob that suppresses acoustic feedback.

The AD-2 provides a LINE OUT jack (1/4-inch TRS phone type) that can output with optimal audio quality to a mixer or recorder. This can also be used as a balanced-output direct box.

Adjusts the amount of resonance, adding the natural resonance that is

characteristic of an acoustic guitar.

Suppresses acoustic feedback by cutting a specic frequency region.

Normally you should leave this in the “OFF” position. If acoustic feedback

occurs, turn the knob to nd the frequency at which feedback is reduced.

Produktspezifikationen

Marke:	Boss
Kategorie:	Gitarrenverstärker
Modell:	AD-2
Breite:	73 mm
Tiefe:	129 mm
Gewicht:	450 g
Höhe:	59 mm
Energiequelle:	AC, Battery
Eingebautes Display:	Nein
Gleichstrom-Anschluss (DC):	Ja
Betriebsanleitung:	Ja
Akkus/Batterien enthalten:	Ja
Beste Verwendung:	Akustikgitarre