Beta Three Ra12 User manual

ED-B3-MA-080710-002

USER MANUAL

Ra12

2 16

// ELDER/B3/Ra12

CONTENTS

PRODUCT FEATURES

ACOUSTIC CHARTS

INSTALLATION

DIMENSIONS

SPECIFICATION

SPEAKER CONTROL PANEL

LIMITED WARRANTY

APPLICATION EXAMPLE

SAFETY INSTRUCTIONS

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

FRONT AND REAR PANEL FUNCTIONS

1111

1010

1212

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

OFF

220V~T2.5AL,50Hz/60Hz R12sPOWER

OUTPUT

ElderAudio Manufacture Co.,Ltd

THEMAX.CONSUMPTIONP OWER2 20W

~ 220V-230V 50/60Hz,T2.5AL

Ra12

5 16

// ELDER/B3/Ra12

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

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

MONO

LINE IN 5-6

MIC MIC MIC MIC

TYPE IN TYPE OUT

2-TRACK IN/OUT

MONO

LINE IN 7-8

PHONE

111222333444

STEREO AUX RETURN AUX SEND

L/MONO RLEFT RIGHT

MAIN OUT

RL R R R RL L L L RL

1 2 345-6 7-8 EFFECT

DOWN

DELAY

0dB

100

+15-15

HIGH

12KHz

+15-15

MID

2.5KHz

+15-15

LOW

80Hz

+15-15

55555

100

AUX /

PAN

-10

GAIN

-10

GAIN

-10

GAIN

-10

GAIN

+10

-2

-4

-7

EFF

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

MAIN MIX

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:

NET WEIGHT:

15.5kg

4. Active + passive.

Console Signal source

Rear input panelfor R12sRear input panelfor Ra12

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

Ra12

7 16

// ELDER/B3/Ra12

FREQUENCY RESPONSE

PHASE RESPONSE

Ra12

8 16

// ELDER/B3/Ra12

WATERFALL

THD

Frequency Response 2nd Distortion 3rd Distortion

0 .0

1 .3

C LIO

- 10

- 20

- 30

- 40

- 50

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

120

150

180

210

240

270

300

330

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270

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300

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120

150

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210

240

270

300

330

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.

9 16

// ELDER/B3/Ra12

Ra12

100Hz 160Hz 200Hz

400Hz 630Hz 1.0kHz

1.6kHz 3.15kHz

6.3kHz 10kHz 16kHz

2.5kHz

120

150

180

210

240

270

300

330

120

150

180

210

240

270

300

330

120

150

180

210

240

270

300

330

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150

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240

270

300

330

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240

270

300

330

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150

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210

240

270

300

330

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150

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240

270

300

330

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150

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210

240

270

300

330

120

150

180

210

240

270

300

330

120

150

180

210

240

270

300

330

120

150

180

210

240

270

300

330

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.

10 16

// ELDER/B3/Ra12

Ra12

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