Beta Three Ra12 User manual

ED-B3-MA-080710-002
USER MANUAL
Ra12

1
5
9
3
9
1
2
2 16
// ELDER/B3/Ra12
CONTENTS
PRODUCT FEATURES
ACOUSTIC CHARTS
INSTALLATION
DIMENSIONS
SPECIFICATION
SPEAKER CONTROL PANEL
10
11
LIMITED WARRANTY
APPLICATION EXAMPLE
SAFETY INSTRUCTIONS

1
Ra12
3 16
// ELDER/B3/Ra12
Horn can be turned 90 .
PRODUCT FEATURES
Computer aided design to optimism frequency and phase response.
Two way full range active coaxial plastic speaker.
One 12 inch woofer and 34 mm compression driver.
HF/LF transducers are coaxially mounted sharing the same acoustic axis,
Wide dispersion: 90 40 .
Suitable for full range sound reinforcement applications, also can be used as a floor monitor.
Suitable for monitoring, conference system, small touring performance etc.
Suitable for monitor, meeting, large performance and so on.
The Ra12 is not water-resistant so please do not expose this speaker to rain or moisture.
6.35 unbalance
SPECIFICATION
Speaker system
Frequency response
Average SPL
Input mode
Power suppy
Net weight
Gross weight
Dimension
Packing dimension
~ 220V-230V 50/60Hz,T2.5AL
115dB
50Hz-20kHz
16.5kg
19.5kg
440 374 542mm
490 420 608mm
90 40
Dispersion(H V)
6dB
12dB
LF tone: 120Hz
HF tone: 6.3kHz
1V 10%
b.f=1kHz rated output power
20mV 20%
Input sensitivity: a.f=1kHz rated output power
The max. Consumption power 220W
Bass
Treble
Transducer
12"/ 8 1
34mm/ 8 1

4 16
// ELDER/B3/Ra12
Ra12
2
FRONT AND REAR PANEL FUNCTIONS
1111
1010
1212
88
99
11
22
55
66
33
77
44
ON
OFF
1313
1414
1515
1616
R12s POWER
OUTPUT
Elder Audio Manufacture Co.,Ltd
1. Bass tone control for the line levelinput (3). Increase
the bass tone by rotating clockwise and decrease the
bass tone by rotating counter-clockwise.
2. Overload indicator.
3. Line level input socket.
4. Signal indicator.
5. Line level input socket. Signal will betransferred
from this socket to socket (7) for outputting after it
is controlled by (8).
6. Signal output socket. Output signal.
7. Signal output socket. Transfer thesignal on line (3)
which is controlled by (1) to the signal input socket
of another active speaker. It is also the signal output
of AUX1\AUX2 which is controlled by (10) and (11).
8. Volume control for stereo (3)Land (5)R. Increase the
volume by rotating clockwise and decrease the
volume by rotating counter-clockwise.
Attention: Please firstly adjust the volume to Min.
when inputting and outputting signal, andthen adjust
to appropriate volume.
9. Treble tone control for the line level input (3). Increase
the treble tone by rotating clockwise and decrease
the treble tone by rotating counter-clockwise.
10. AUX volume control. Increase the volume by rotating
clockwise and decrease the volume by rotating
counter-clockwise. Be off at the Min. position.
11.AUX signal input socket.
12. Optional switch for microphone signal input and
line signal input. Press button in formicrophone
signal, release button for line signal.
13. Fuse.
14. Power input socket.
15. Power switch.
16. Power output socket for R12s.
THEMAX.CONSUMPTION POWER220W
ON
OFF
220V~T2.5AL,50Hz/60Hz R12sPOWER
OUTPUT
ElderAudio Manufacture Co.,Ltd
THEMAX.CONSUMPTIONP OWER2 20W
~ 220V-230V 50/60Hz,T2.5AL

Ra12
3
5 16
// ELDER/B3/Ra12
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)

Ra12
4
6 16
// ELDER/B3/Ra12
Signal Source
In this situation two speakers can play signal in MIC and stereo together
APPLICATION SAMPLE
Press this button to choose the MIC
3.Stereo+Mic(one)
Ra12 R12s
R12s
COAXIALSPEAKER
CTRL R OUT
LINE IN LINE IN LINE IN LINE IN
L
R
MONO
LINE IN 5-6
MIC MIC MIC MIC
L
R
L
R
TYPE IN TYPE OUT
2-TRACK IN/OUT
L
R
MONO
LINE IN 7-8
L
R
PHONE
111222333444
STEREO AUX RETURN AUX SEND
L/MONO RLEFT RIGHT
MAIN OUT
RL R R R RL L L L RL
LR
1 2 345-6 7-8 EFFECT
UP
DOWN
DELAY
10
0dB
10
15
20
25
30
40
60
5
100
5
0
+15-15
0
+15-15
0
+15-15
0
+15-15
0
+15-15
0
+15-15
HIGH
12KHz
0
+15-15
0
+15-15
0
+15-15
0
+15-15
0
+15-15
MID
2.5KHz
0
+15-15
0
+15-15
0
+15-15
0
+15-15
0
+15-15
0
+15-15
LOW
80Hz
0
+15-15
55555
100
AUX /
5
PAN
+4
-10
GAIN
+4
-10
GAIN
+4
-10
GAIN
+4
-10
GAIN
+10
+7
+2
0
-2
-4
-7
+4
EFF
EQ
10 10 10 10 100 0 0 0 0
HIGH HIGH HIGH HIGH HIGH
12KHz 12KHz 12KHz 12KHz 12KHz
MID MID MID MID MID
2.5KHz 2.5KHz 2.5KHz 2.5KHz 2.5KHz
LOW LOW LOW LOW LOW
80Hz 80Hz 80Hz 80Hz 80Hz
AUX / AUX / AUX/ AUX / AUX /
PAN PAN PAN PAN PAN
EFF EFF EFF EFF EFF
EQ EQ EQ EQ EQ AUX
SEND
AUX
RET
-10
-20
+48 V POWER
10
0
10
20
25
30
40
45
dB
10
0
10
20
25
30
40
45
dB
10
0
10
20
25
30
40
45
dB
10
0
10
20
25
30
40
45
dB
10
0
10
20
25
30
40
45
dB
10
0
10
20
25
30
40
45
dB
10
0
10
20
25
30
40
45
dB
MAIN MIX
100
5
100
5
100
5
100
EFF
SENT
REPEAT
PHONE LEVEL
+48V
LLEVEL R
PFL
2TK
2TK TO MIX
EFF TO MIX
MUTE MUTE MUTE MUTE MUTE MUTE
PEAK PEAK PEAK PEAK
SING SING SING SING
SING SING
INPUT OUTPUT
SENSITIVITY(1m/1W):
95dB
IMPEDANCE:
8
NET WEIGHT:
15.5kg
4. Active + passive.
Console Signal source
Rear input panelfor R12sRear input panelfor Ra12
ON
OFF
R12s POWER
OUTPUT
Elder Audio Manufacture Co.,Ltd
THEMAX.CONS UMPTIONPOWER220W
~ 220V-230V 50/60Hz,T2.5AL

1 00 1k 1 0k 2 0k20 Hz
1 1 0
d B
2 5 2.0
D eg
1 0 0 1 8 0.0
9 0 1 0 8.0
8 0 3 6.0
7 0 - 3 6.0
6 0 - 1 08.0
C LIOC LIO
1 00 1k 1 0k 2 0k20 Hz
1 1 0
d B
2 5 2.0
D eg
1 0 0 1 8 0.0
9 0 1 0 8.0
8 0 3 6.0
7 0 - 3 6.0
6 0 - 1 08.0
C LIOC LIO
5
Ra12
7 16
// ELDER/B3/Ra12
FREQUENCY RESPONSE
PHASE RESPONSE

6
Ra12
8 16
// ELDER/B3/Ra12
WATERFALL
THD
Frequency Response 2nd Distortion 3rd Distortion
0 .0
1 .3
C LIO
00
- 10
- 20
- 30
- 40
- 50
dB
2. 7
4 . 0 ms
1k 1 0k 2 0k2 00 Hz
1 00 1k 1 0k 2 0k40 Hz
1 2 0
d B
1 8 0.0
D eg
1 1 0 1 0 8.0
1 0 0 3 6.0
9 0 - 3 6.0
8 0 - 1 08.0
7 0 - 1 80.0
C LIOC LIO

100Hz 160Hz 200Hz
400Hz 630Hz 1.0kHz
1.6kHz 3.15kHz
6.3kHz 10kHz 16kHz
2.5kHz
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
HORIZONTAL DIRECTIVITY
The data of Ra12 horizontal directivity were collected by testing the speaker system in a big anechoic
chamber.
The scale is stepped by 6dB increment.
7
9 16
// ELDER/B3/Ra12
Ra12

100Hz 160Hz 200Hz
400Hz 630Hz 1.0kHz
1.6kHz 3.15kHz
6.3kHz 10kHz 16kHz
2.5kHz
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
0
30
60
90
120
150
180
210
240
270
300
330
The data of Ra12 vertical directivity were collected by testing the speaker system in a big anechoic
chamber.
VERTICAL DIRECTIVITY
The scale is stepped by 6dB increment.
8
10 16
// ELDER/B3/Ra12
Ra12