Beta Three MU15a User manual

MU15a
UM-MU15a-20101109-A
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User Manual
Two Way15" Full Range
Active Speaker
MU Series Pro Loudspeaker System

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1.
2. Please keep this manual for future reference
3.
4.
5.
6. Clean this equipment with a dry cloth.
7. manufacturer's
8. a
9. supplied the
10. outside
manualRead the instruction first before using this product.
Pay attention to all warnings.
Obey all operating instructions.
Do not expose this product to rain or moisture.
Do not block any ventilation openings. Install according to instructions .
Do not install this product near any heat source, such as , heater, burner, or any other equipment with heat radiation .
Only use spare parts by manufacturer.
Pay attention to the safety symbol on the of the cover.
SAFETY INSTRUCTIONS
PLEASE READTHIS MANUAL FIRST
Thank you for a buyin product. Read this manual first as it will help you operate the system properly. Please keep this manual
for future reference. g
WARNING:
This product must be installed by professionals.When using hanging brackets or rigging other than those supplied with
the product, please ensure they comply with the local safety codes.
The exclamation point within an equilateral triangle is intended to alert you to the presence of important
operating and servicing instructions.
ATTENTION:Don't refitthesystemorspareparts withoutbeing authorizedas thiswill .voidthe warranty
WARNING: Don't (suchas candles) theequipment.placenakedflames closeto

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MU Series Pro Loudspeaker System CONTENT
Product information subjects to be updated without
notification, please visit www.elderaudio.com for
latest update.
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CONTENT
Features
Description
Applications
Frequency Response And Impedance Curve
AMPLIFIER MODULE
INSTALLATION
Mounting Accessories
Installation Reference
INTRODUCTION
Technical Sheet
2D Dimension
TECHNICAL SPECIFICATION
Amplifier Module

MU15a
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Phase reversed active speaker with 15" woofer and 3"
compression driver.
INTODUCTION MU Series Pro Loudspeaker System
Features
Description Applications
15" two way full range speaker with built-in crossover
Multifunctionalhall
SmallAuditorium
Church
Conferenceroom
Smallperformance
Built-in one channel 300W/40ms and one channel
100W/40ms big power amplifier modules.
One channel combo input connector to enhance
volume control.
Easy setup and teardown of rigging system.
Attached the necessary flying mounting accessories.
The suspending weight can reach to 385Kg.
Powder coated grille can be used for 5 years.The foam
at backside of the grille makes the speaker weather
resistant.
The paint and advanced painting technology make
the cabinet surface very rigid.
Sound quality: clear, mellow and stretchy.
βMU15aisa twowayfullrangeactivespeaker adopting the
new structure and new painting technology. It consists of one
15"transducer, one 3" compressiondriver and one two channel
highpoweramplifiermodule.
Round copper wire used in 75mm voice coil in the 15"
transducer, and the bobbin uses high intensity TIL material,
which both enhances the intensity and bearing capacity of the
voice coil. Symmetrical magnet circuit design reduces the odd
harmonic distortion to minimum to satisfy listening
requirementofhumanbeing.
The wedge shaped cabinet is made from 15mm birch plywood
without using any nail, and be painted with advanced
environmental protection Polyurethane-based paint which is
very rigid.
Thetensionofthecabinetreachesto4500N.
Q235 grille is coated by powder to ensure its weatherproof
ability,whichcanbeusedfor5 years.
To meet the sound requirement, a lot of new materials were
used on MU15a. For the driver, the diaphragm is using
Aluminummagnesiumalloytoreducethedistortion.
MU15a is mainly designed for conference room, multi-
functional hall, hall of worship, auditorium, church and touring
performance.
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USE ON LY WITH A 25 0V FUSE
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MU15a
MU15a
MIC
LINE
VOLUME
CLIP
TREBLE
BASS
LINE MIC INPUT OUTPUT
ON
OFF
110V
220V
15-Inch Two-Way Full-Range
Active Speaker System
RoHS
S/N:
FUSE:T5AL 250V
ELDER AUDIO MANUFACTURE CO., LTD.
220V 50Hz
?
POWER SOURCE:
POWER CONSUMPTION: 460W
MADE IN CHINA
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MU Series Pro Loudspeaker System
1. Volume control.
2. Clip indicator.
3. Microphone input signal presence
indicator.
4. Line input signal presence indicator.
5. Line/microphone selector.
6. Power ON/OFF switch.
7. 110V/220V voltage input selector.
8. Bass control.
9. Treble control.
10. Line/microphone input.
11. Line/microphone output.
12. Protection fuse. Use only fuses of the
correct amp rating.
13. Power supply input. Make sure that the
voltage selector is set for your country's
correct voltage.
AMPLIFIER MODULE
AMPLIFIER MODULE

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The standard flying mounting hardware is very convenient
for different installations and applications.
1. Vertical flying mounting installation
2. Horizontal flying mounting installation
1. Speaker stand
SPS-502BC Black
2. Standard flying mounting ring
Warning:
safety factor not less than 5:1 or meet the local
standardduring installation.
Make sure the mounting accessories
Installation Reference
Mounting Accessories(Optional)
INSTALLATION MU Series Pro Loudspeaker System

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200001000010001005020
180
108
90
100
110
120
130
Sensitivity dB( )
80
Frequency Hz( )
36
-36
-108
-180
Frequency response curve & Impedance curve
MU Series Pro Loudspeaker System TECHNICAL SPECIFICATION
Specification
Frequency response(-3dB):
Max.SPL(1m):
Transducer:
Input:
Connector:
Input impedance(line):
Input level:
Input overloading level:
Wire connection:
Heat radiation:
Power cable:
45Hz-16kHz
121dB/127dB(PEAK)
1 15"Woofer×
One channel balanced input(line and MIC)
6.35/XLR for input, XLR for output
20kohm balanced input, 10kohm unbalanced input
0 dBV (0.775V rms, 1.0 V peak)Line-100Hz
Maximum input level 6V peak
pin 1: ground; pin2: signal +; pin3: signal -
Forced air-cooled drives
PowerCon, three pins
0
60 ×400
Dispersion(H V):×
1 3"×Compression Driver
Safety voltage range:
Power supply consumption power(static) :
Power supply consumption power(dynamic) :
Cabinet:
Handle:
Painting:
Cabinet dimension(W D H):× ×
Packing dimension :(W D H)× ×
Net weight:
Gross weight:
220V+/-10% AC (IN 220V)
19W
460W
Plywood,wedge shaped
2 Wooden handles×
Cabinet coated by Polyurethane paint; grille is powder coated
Flying/ Mounting accessories：
Standard flying hardware
Frequency Response
2nd Distortion
3rd Distortion
485×485×720mm(19.1×19.1×28.4in)
595×595×840mm(23.4×23.4×33.1in)
32.5kg(71.5 lb)
37.5kg(82.5 lb)
LF300W, HF50W
8 ohms
Power:
Rated impedance:

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720mm
[28.35in]
485mm
[19.09in]
485mm
[19.09in]
Top view
Front view
Side view Back view
Bottom view
2D Dimension
TECHNICAL SPECIFICATION MU Series Pro Loudspeaker System

Notes:
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