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

Toa DM-524B Specifications

General

Type	Dynamic
Polar Pattern/Directivity	Unidirectional
Impedance	600 ohms
Connector	XLR
Cable Length	5 m
Weight	300 g
Sensitivity	-54 dB ±3 dB (0 dB=1 V/Pa at 1 kHz)

Summary

Safety Precautions

When Installing the Unit

Instructions for safely installing the microphone unit to prevent falls and injuries.

Handling Precautions

Features

Specifications

Dimensional and Circuit Diagrams

Frequency Response