TOA DM-524B User manual

INSTRUCTION MANUAL

DYNAMIC MICROPHONES

FLExIbLE SHAFT

DM-524b

DM-524S

YM-121

Thank you for purchasing TOA’s products.

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.

When Installing the Unit

• (Whenattached totheST-73A)Avoid installing or

mounting the unit in unstable locations, such as on

a rickety table or a slanted surface. Doing so may

result in the unit falling down and causing personal

injury and/or property damage.

• Do not lay the connection cable where it can be

walkedonortrippedover,causingpersonalinjury.

Indicates a potentially hazardous situation which,

if mishandled, could result in moderate or minor

personal injury, and/or property damage.

CAUTION

Model No.

YM-121

Type Flexible shaft

Input Connector XLR-3-11Corequivalent

Output Connector ø21,3-pinplug(BTS21P3B)

Finish Gold, sparkling paint

Size

367mm(length)

Weight 295 g

Model No.

DM-524B DM-524S

Type Movingcoilmicrophone

Polar Pattern Cardioid pattern

Rated Impedance

600Ω,balanced

RatedSensitivity –54.5dB(1kHz,0dB=1V/Pa)

Frequency Range

100Hzto10kHz

Output Connector

ø21,3-pinplug(BTS21P3B)

Switchingcircuit Short-offtype

Finish

Microphone body, gooseneck shaft:

Gold, sparkling paint

Size ø40x532mm

(length)

ø40x557mm

(length)

Weight 465g 475g

Accessories

ø21,3-pinreceptacle(BTS21R3A) ... 1

MachinescrewM3x10 ..............3

Plainwasher(forM3) ...................3

Springwasher(forM3) ................ 3

Nut(forM3) .................................3

Note

The design and specications are subject to change

withoutnoticeforimprovement.

4. SPECIFICATIONS

3. FEATURES

2. HANDLING PRECAUTIONS

• WhenusingtheDM-524BorDM-524S,donotgraspthe

head of microphone or microphone element section in

ordertoavoidacousticfeedback.

• 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 unit failure.

• Takecarenottodroptheunitontotheoornorbumpit

against a hard object as the unit could fail.

• To clean, be sure to rst disconnect the connection

cable,thenwipewithadrycloth.Whentheunitgetsvery

dirty, use a cloth damped in a neutral cleanser. Never

use benzene, thinner, alcohol, or chemically-treated

cleaningclothbecausesuchvolatileliquidscoulddeform

or discolor the unit.

• (When attached to the ST-73A) Do not pick up the

microphone stand by the microphone, as this could lead

to failure.

[DM-524B, DM-524S] [YM-121] [ST-73A]

(Option)

• TheDynamicMicrophonesDM-524BandDM-524Sare

characterized to eliminate handling noise as minimum.

• Use of an optional ST-73A Microphone Stand allows

the DM-524B, DM-524S, or YM-121 to be placed on a

speech desk or table in a conference room.

• Optional product

Microphonestand:ST-73A

[DM-524b]

Receptacle

BTS21R3A

ø41

3-ø3.2

Countersink

129

532

ø33

120°

Shield

ø25

ø40

Plug BTS21P3B

Chassis ground

[YM-121]

250

367

20 53

XLR-3-11C or equivalent

BTS21P3B

Receptacle

BTS21R3A

ø41

3-ø3.2

Countersink

ø33

120°

Shield

ø25

154

557

Plug BTS21P3B

Chassis ground

ø40

[DM-524S]

*0dB=1V

50 100 200 500 1 k 2 k 5 k 10 k

(dB*)

(Hz)

5. DIMENSIONAL AND CIRCUIT DIAGRAMS

6. FREqUENCY RESPONSE

(DM-524b, DM-524S)

URL:http://www.toa.jp/

133-04-00007-00

Unit:mm

The symbol mark above

is not applied to YM-121.

TOA DM-524B, DM-524S User manual

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