Beta Three EJ218 User manual

ED-B3-MA-070531-002
USER MANUAL
J218

CONTENTS
ACOUSTIC CHARTS
INSTALLATION
DIMENSIONS
SPECIFICATION
LIMITED WARRANTY
FEATURES
INTRODUCTION

1
J218
INTRODUCTION
Computer optimized analogdesign in order to get goodresponse and phase feature.;
Two waysub-frequency, high sensitivity speaker;
Two 18inch professional high effective woofer unit;
Mono amplifier promotes;
It is used for all kinds of rock-and roll bar, hall, club and all kinds of dynamic performance in entertainment for
reinforcement sound;
It is used for high quality music repeating, and can match 3 J212, J215 etc high power full range speaker.
FEATURE
SPECIFICATION
3
NL4 2
LF: 18" 2
35Hz-1.8kHz
102dB
1600W
4
2.6
85kg
90kg
567 786 1075mm
1202 898 702mm
134dB
140dB
3200W
6400W
250Hz
SPL(1m)
Max.SPL(1m)
Transducer
Frequency Response(-3dB)
Sensitivity(1W/1m)
Power(RMS)
Rated Impedance
DC Impedance
THD
Input Connectors
Net Weight
Gross Weight
Dimensions (W D H)
Packing Dimensions(W D H)
Power(Program)
Power(Peak)
Crossover Point
SMS-YXKQ- J218-ED 3-EN
3 J series
J series
J series
J series
are mainly for the entertainment venues like rock bar, Disco bar, performance bar, night
club, touring performance and portable equalizing sound reinforcement.
speaker adopt trapezia design, it is convenient to form a cluster, suitable for stage monitor, and reduce
the standing wave inside the cabinet. The well-chosen MDF with high intensity can absorb the exceptional sound
from the speaker cabinet s syntony. has standard frying construction and SPK socket input which is
convenient for the installation.
are developed and produced by the combination of the latest computerized stimulation design
technology, the latest loudspeaker materials and manufacture technology. All transducers adopt the most
optimized magnetic circuit having high magnetic energy, low distortion and excellent ventilation. LF transducers
use nonlinear thickness long fabric paper cone with special painting cloth surround and high power sandwich
type voice coil. Symmetrical magnetic circuit was also adopted and all these ensure the linear moving when LF
works under high power. The HF transducers take titanium diaphragm treated by high temperature and
rectangle voice coil and linear phase design compression chamber. With the wide dispersion horn to get a wide
sound covering field and our new symmetrical protect circuit with adjustable delay, the sound and product
quality can be guaranteed.
.
.
. .

2
J218
1 2 0
dBS
2 9 0
m
1 1 0 1 8 0
1 0 0 7 1
9 0 - 3 8
8 0 - 1 4
7 0 - 2 5
250 50020 Hz50 100 150
10 Hz 20 50 100 200 500 1K 2K 5K 10K 20K
Ohm
4
5
6
7
8
9
10
20
30
40
50
60
70
80
Deg
-180
-150
-120
-90
-60
-30
0
30
60
90
120
150
180
FREQUENCY RESPONSE
IMPEDANCE RESPONSE
SMS-YXKQ- J218-ED 3-EN

3
J218
1 2 0
dBS
2 9 0
m
1 1 0 1 8 0
1 0 0 7 1
9 0 - 3 8
8 0 - 1 4
7 0 - 2 5
250 50020 Hz50 100 150
0
- 10
- 15
- 20
- 25
dB
50 100 200 50025 Hz
- 5
ms
3.0
2.0
1.0
0
WATERFALL
THD
Frequency Response 2nd Distortion 3rd Distortion
SMS-YXKQ- J218-ED 3-EN

4
J218
786mm
567mm
1075mm
74.5mm
44.5mm
DIMENSIONS
Top view Front view
Side view Back view
fixing dimension
drawing of wheels
SMS-YXKQ- J218-ED 3-EN

5
J218
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.
J218 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.
J218 Accessories are guaranteed against malfunction due to defects in materials or workman
ship for a period of one (1) year from the date of original purchase. Additional details are included
in the Limited Warranty statement. .
J218 Flying Hardware (including enclosure-mounted hardware and rigging accessories) is
guaranteed against malfunction due to defects in materials or workmanship for a period of one
(1) year from the date of original purchase. Additional details are included in the Limited Warranty
statement.
LIMITED WARRANTY
Specifications are subject to change without notice.
SMS-YXKQ- J218-ED 3-EN

www.elderaudio.com
SMS-YXKQ- J218-ED 3-EN