Beta Three RaI5 User manual

ED-B3-MA-070618-001
USER MANUAL
Ra15

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CONTENTS
PRODUCT FEATURES
ACOUSTIC CHARTS
INSTALLATION
DIMENSIONS
SPECIFICATION
SPEAKER CONTROL PANEL
10
11
LIMITED WARRANTY
APPLICATION EXAMPLE
SAFETY INSTRUCTIONS

1
Ra15
LF:15" 1; HF: 34mm 1
50Hz-15kHz
3kHz
20.5kg
23.5kg
488 412 606mm
538 468 672mm
120dB
Input:6.35;Output:6.35
11.5dB
AC115V/230V
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In:500mv/20mv
126dB
Two transducers two way full range plastic speaker with coaxial design, Computer
simulation design.
One 15 inch woofer and 34 mm compression driver.
HF/LF transducers are coaxially mounted sharing the same acoustic axis,
Horn can be turned 90 .
Wide dispersion: 90 40 .
It is applied for full range sound reinforcement.
Suitable for monitor, meeting, large performance and so on.
Various installation possibilities allow flying,standing or wall mounting.
PRODUCT FEATURES
SPECIFICATION
Transducers
Frequency Response(-3dB)
Dispersion(H V)
Max SPL(1m)
SPL(1m)
Amplifier Power
THD
Input Connectors
Net Weight
Gross Weight
Dimensions (W H D)
Packing Dimensions(W H D)
Power Supply
Input Sensitivity
Crossover Point
Range for volume
High frequency channel 50W/8
Low frequency channel 350W/8
3
40 9090 40 @

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Ra15
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22
44
55
66
99
33
1111
1212
1313
1414
1010
1515
88
77
1616
Power Supply Socket
Fuse
FUNCTION INTRODUCTION FOR SPEAKER'S BACK PANEL
Power Supply
switch
1. volume control for(7)L and (6)R,increase by turning
clockwise, decrease by turning counter-clockwise.
Attention: Please adjust the volume to Min. when
inputting signal and outputting, then adjust according
to the application demand.
2. Overload indicator.
3. signal indicator.
4. Bass control for (7)L-LINE IN. increase by turning
clockwise, decrease by turning counter-clockwise.
5. Treble control for (7)L-LINE IN. increase by turning
clockwise, decrease by turning counter-clockwise.
6. Line in socket. The signal on Line in is controlled by
(1) volume, which will be transferred to (9)LINE OUT
for outputting.
7. Line in socket. It is available for only one signal source.
8. Signal output socket. Output signal.
9. Signal output socket. Transferthe signal on (7)LINE
IN to the signal input socket of another active speaker.
It is also the signal output of AUX1/AUX2 which
controlled by (10)(11).
10.AUX1 volume control, increase by turning clockwise,
decrease by turning counter-clockwise, Be off at the
Min. position.
11.AUX2 volume control, increase by turning clockwise,
decrease by turning counter-clockwise, Be off at the
Min. position.
12.Treble control for AUX1 and AUX2, increase by
turning clockwise, decrease by turning counter-
clockwise.
13.Bass control forAUX1 and AUX2,increase by turning
clockwise, decrease by turning counter-clockwise.
14.Signal input ofAUX1.
15.Signal input ofAUX2.
16.Option Switch of Micand Line. Mic is available when
pressing switch down. Line will be available when
releasing the switch.

Ra15
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Signal Source
Signal Source
APPLICATION SAMPLE
Attention: Because LINE IN's R channel does not provide the power output, the signal should connect to
LINE IN's L channel when connecting few pieces speakers.
1.Stereo mode I. (long distance)
2.Stereo mode II.(short distance)

Ra15
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Signal Source
In this situation two speakers can play signal in MIC and stereo together
Signal Source
APPLICATION SAMPLE
Press this button to choose the MIC
In this situation two speakers can play signal in MIC and stereo together
Press this button to choose the MIC
3.Stereo+Mic(one)
4.Stereo+Mic(two)

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Ra15
1 0 0
dBS
180
9 0 108
8 0 36
7 0 - 36
6 0 - 108
5 0 - 180
50 100 200 500 1k 2k 5k 10k 20k20 Hz
50 100 200 500 1k 2k 5k 10k 20k20 Hz
D e g
180
108
36
- 36
- 108
D e g
- 180
36
- 108
D e g
- 36
180
108
- 180
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FREQUENCY RESPONSE
PHASE RESPONSE

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Ra15
0
- 10
- 15
- 20
- 25
dB
2 00 50 0 1K 2K 5K 1 0K 2 0K1 50 Hz
0
3.0
6.0
10.0
- 5
ms
20 50 100 200 500 1k 2k 5k 10k 20k20 Hz
100.0
dBSPL
90.0
80.0
70.0
50.0
60.0
180
108
36
- 36
- 108
- 180
D e g
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WATERFALL
THD
Frequency Response 2nd Distortion 3rd Distortion

HORIZONTAL DIRECTIVITY
The data of Ra15 horizontal directivity were collected by testing the speaker system in a big anechoic
chamber.
The scale is stepped by 6dB increment.
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100Hz 160Hz 200Hz
400Hz 630Hz 1.0kHz
1.6kHz 3.15kHz
6.3kHz 10kHz 16kHz
2.5kHz
Ra15
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The data of Ra15 vertical directivity were collected by testing the speaker system in a big anechoic
chamber.
VERTICAL DIRECTIVITY
The scale is stepped by 6dB increment.
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Ra15
100Hz 160Hz 200Hz
400Hz 630Hz 1.0kHz
1.6kHz 3.15kHz
6.3kHz 10kHz 16kHz
2.5kHz
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9
Ra15
412mm
606mm
488mm
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INSTALLATION
DIMENSIONS
Top view Front view
Side view Back view
84mm
135mm

Ra15
DO NOT OPEN THE COVER
Do not open the cover to avoid the risk of electric shock caused
by high voltage parts in the product. Any problems caused by
user's wrong actions are out of warranty.
AVOID OBJECT AND LIQUID ENTRY
Take care that objects do not fall into and that liquids are not
spilled into the inside of the product . If the object or liquid enter
the product , please ask qualified personnel to check it.
Please hold the plug when pull out or plug in the cord. Do not
pull out or touch the cord with wet hand, or it will cause the risk
of electric shock. Power supply cords should be routed so they
are not likely to be walked upon or pinched by items placed on
or again st them. When removing the cord from a power outlet
be sure to remove it by holding the plug attachment and not By
pulling on the cord.
DO NOT DAMAGE THE POWER CORD
SAFETY INSTRUCTIONS
ABNORMAL STATUS
In the event of abnormal noise and smell, please put off
the power supply and pull out the cord, please ask
qualified personnel to check it.
NONUSE FOR A LONG TIME
When nonuse it for a long time, please put off the power
supply and pull out the cord to avoid the unexpected
dangers.
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Ra15
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LIMITED WARRANTY
If malfunction occurs during the specified warranty period from the date of original purchase,
the product will be repaired or replaced without charge by Elder Audio.
The Limited Warranty does not apply to:
(a)exterior finish or appearance;
(b)certain specific items described in the individual product data sheet or owner's manual;
(c)malfunction resulting from use or operation of the product other than as specified in the
individual product data sheet or owner's manual;
(d)malfunction resulting from misuse or abuse of the product;
(e)malfunction occurring at any time after repairs have been made to the product by anyone
other than Elder Audio Service or any of its authorized service representatives.
To obtain warranty service, customer must deliver proof of purchase of the product in the form
of a bill of sale or receipt invoice.
Ra15 Speakers and Speaker Systems are guaranteed against malfunction due to defects in
materials or workmanship for a period of three (3) years from the date of original purchase. The
Limited Warranty does not apply to burned voice coils or malfunctions such as cone and/or coil
damage resulting from improperly designed enclosures. Additional details are included in the
Limited Warranty statement.
Ra15 Accessories are guaranteedagainst malfunction dueto defects inmaterials or workmanship
for a periodof one (1)year from thedate of originalpurchase. Additional details areincluded in the
Limited Warrantystatement.
Ra15 Flying Hardware (including enclosure-mountedhardware and riggingaccessories) is
guaranteed against malfunctiondue to defectsin materials orworkmanship for aperiod of one
(1) year fromthe date oforiginal purchase.Additional details areincluded in theLimited Warranty
statement.
Specifications are subject to change without notice.

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www.elderaudio.com
Ra15
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