TOA AT-303AP User manual

Brand: TOA

Model: AT-303AP

Type: User manual

This manual is also suitable for

AT-063AP, AT-303AP, AT- 603APATTENUATORS

INSTRUCTION MANUAL

Thank you for purchasing TOA’s Attenuator.

Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

1. SAFETY PRECAUTIONS

•Beforeinstallationoruse,besuretocarefullyreadalltheinstructionsinthissectionforcorrect

andsafeoperation.

•Be sure to follow all the precautionary instructions in this section, which contain important

warningsand/orcautionsregardingsafety.

•Afterreading,keepthismanualhandyforfuturereference.

Indicatesapotentiallyhazardoussituationwhich,ifmishandled,could

resultindeathorseriouspersonalinjury.

WARNING

Indicatesapotentiallyhazardoussituationwhich,ifmishandled,could

resultinmoderateorminorpersonalinjury,and/orpropertydamage.

CAUTION

WARNING

When Installing the Unit

•Do not expose the unit to rain or an

environment where it may be splashed by

waterorotherliquids,asdoingsomayresult

inreorelectricshock.

•Refer all installation work to the dealer from

whomtheunitwaspurchased.Installationfor

requires extensive technical knowledge and

experience.Theunitmayfalloffifincorrectly

installed,resultinginpossiblepersonalinjury.

•Install the unit only in a location that can

structurallysupporttheweightoftheunitand

the mounting bracket. Doing otherwise may

result in the unit falling down and causing

personalinjuryand/orpropertydamage.

•Sincetheunitisdesignedforindooruse,do

not install it outdoors. If installed outdoors,

the aging of parts causes the unit to fall off,

resultinginpersonalinjury.Also,whenitgets

wet with rain, there is a danger of electric

shock.

•Do not use other methods than specied to

mount the unit. Extreme force is applied to

the unit and the unit could fall off, possibly

resultinginpersonalinjuries.

•Donotmounttheunitinlocationsexposedto

constantvibration.Theunitcanbedamaged

by excessive vibration, potentially causing

theunittofall,whichcouldresultinpersonal

injury.

•Use screws that are appropriate for the

ceiling's or wall's structure andcomposition.

Failuretodosomaycausethespeakertofall,

resulting in material damage and possible

personalinjury.

•Tighteneachscrewsecurely.Ensurethatthe

brackethasnoloosejointsafterinstallationto

preventaccidentsthatcouldresultinpersonal

injury.

•Takecarenottopinchthecableswhenwiring,

makingcablewiringbyforcemayresultinre

or electric shock.

•Usethespeciedplateincombination.Doing

otherwise may cause the unit or component

tofalloff,resultinginpersonalinjury.

CAUTION

When Installing the Unit

•Avoid installing the unit in humid or dusty

locations, in locations exposed to the direct

sunlight, near the heaters, or in locations

generating sooty smoke or steam as doing

otherwisemayresultinreorelectricshock.

•Avoidtouchingtheunit'ssharpmetaledgeto

preventinjury.

•To avoid electric shocks, be sure to switch

offtheamplier’spowerwhenconnectingthe

unit.

When the Unit is in Use

•Donotoperatetheunitforanextendedperiod

of time with the sound distorting. Doing so

may cause the connected speakers to heat,

resultinginare.

•Havetheunitcheckedperiodicallybytheshop

fromwhereitwaspurchased.Failuretodoso

mayresultincorrosionordamagetotheunit

orits mounting bracketthatcouldcausethe

unittofall,possiblycausingpersonalinjury.

2. GENERAL DESCRIPTION

TheAT-063AP,AT-303AP,andAT-603AParethewall-mounttransformertypeattenuatorscapable

ofhandlingawiderangeofinputpower.Theyfeature5-levelnevolumeadjustmentandapush-in

terminal block for easy cable connection.

3. FEATURES

•Volumeadjustableto5levels(0dB,−6dB,−12dB,−18dBandOFF)

•Apush-incoloredterminalblockprovidesaneasycableconnection.

4. SPECIFICATIONS

Model AT-063AP AT-303AP AT-603AP

Input volume 0.5–6W 0.5–30W 0.5–60W

InputImpedance 20kΩ–1.7kΩ 20kΩ–330Ω 20kΩ–170Ω

Attenuation 5steps(0dB,–6dB,–12dB,–18dB,OFF)

Applicable Cable 600Vvinyl-insulatedcable(IndoorVinylorHeat-resistantIndoorVinylcable)

Solidcable:ø0.8(0.03")–ø1.6(0.06")mm

Finish Knob,panel,plate:ABSresin,white(RAL1013orequivalentcolor)

Case: ABSresin,black

Terminal

Push-in connector

Dimensions 70(w)x120(h)x52.4(d)mm(2.76”x4.72”x2.06”)(withplate)

41(w)x108(h)x52.4(d)mm(1.61”x4.25”x2.06”)(attenuatoronly)

Weight

170g(0.37lb)(unitonly) 210g(0.46lb)(unitonly) 210g(0.46lb)(unitonly)

Note: Thedesignandspecicationsaresubjecttochangewithoutnoticeforimprovement.

• Accessories

Plate .......................................................................1

MachinescrewM3.5x5(mountedtotheplate) ....2

MachinescrewM4x35 ..........................................2

• Optional products

Plate: YP-1AF

Wallmountingbox:YS-11A

Flush-mountbox: YC-801

Wall-mountbox: YC-802

5. INSTALLATION

Step 1. Installtheelectricalboxintothewall.

Step 2. Make a hole in the wall to mount the unit, then pull out the cables from the wall.

Step 3. Connect the cables to the unit’s terminal block.

Note: Fordetails,see“Connection”onthenextpage.

Step 4. Mounttheunitintheelectricalboxusingthe2suppliedscrews.

Step 5. Attachtheplate(supplied)totheAttenuator.

Note: Whenusingthesuppliedscrewstoinstalltheunit

totheelectricalbox,thedistancebetweenthewall

surfaceandtheelectricalbox’ssurfaceshouldbe

lessthan27mm(1.06")asshownbelow.

Take care not to pinch the lead-in cables when mounting the unit

particularlyinashallowwall-mountbox(37mmor1.46" deep). Do

notpressthecablesintotheshallowboxbyforce,asdoingsomay

damagetheunit,resultinginreorelectricshock.

WARNING

95 − 103 mm

(3.74" − 4.06")

51 − 59 mm

(2.01" − 2.32")

Machine screw M4 x 35

(Accessory)

Machine screw M3.5 x 5

(Accessory)

Plate (Accessory)

Attenuator

Wall

Cable

83.5 mm

(3.29")

Max. 27 mm (1.06")

Wall

A recessed

electrical box

6. CONNECTION

Step 1. Stripthecablesheath9mm(0.35")fromthecableend.

Note: UseaStripgaugeprintedonthenameplate.

Step 2. Inserteachcableconductorfullyintotheterminalholeaccordingtotheindications(N,R,

andSP)markedontheunit'scase.

Note: Thecableconductorcanbeinsertedwithoutholdingdowntheterminalpush

button.Todisconnectit,pulloutthecablewhileholdingdownthepushbutton.

[Applicable cables]

600Vvinylinsulatedwire(IVwireorHIVwire).

Diameterofcorewire(copperwire):0.8mm−1.6mm(AWG20−AWG14)

[2-wire system]

Attenuator

Speaker

N R SP

HOT

COM

HOT

COM

[3-wire system]

Attenuator

Speaker

N R SP

N N (Normal)

R R (Emergency)

COM COM (Common)

Traceability Information for Europe

Manufacturer:

TOA Corporation

7-2-1,Minatojima-Nakamachi,Chuo-ku,Kobe,Hyogo,

Japan

Authorizedrepresentative:

TOAElectronicsEuropeGmbH

Suederstrasse282,20537Hamburg,

Germany

URL:http://www.toa.jp/

533-06-265-60

[Attenuator terminal block color]

N:Black,R:Red,SP:Gray

9 mm

(0.35")

Push button

When

disconnnecting

When

connnecting

N R SP

(BLK) (RED) (GRY)

[Terminal indication

and Color]

From Speaker

Strip gauge

9 mm (0.35")

Case

Note: To prevent biting or pull-off of

cable, insert an intact, unbent

cableconductorstraight.

[Speakerterminalblockcolor]

N:Black,R:Red,COM:White

7. WIRING METHODS

TOA AT-303AP User manual

Brand: TOA

Model: AT-303AP

Type: User manual

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TOA AT-303AP User manual

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