Challenge Electronics
Tel:
1-800-722-8197
EMAIL: [email protected]
1-631-595-2217 WEB: WWW.CHALLENGEELECTRONICS.COM
Fax: 1-631-667-5484
95 East Jefryn Boulevard
Deer Park, NY 11729
PRODUCT INFORMATION
CES320S145EA8PBR250T
SQUARE SPEAKER
PART #
Lead Free
RoHS
COMPLIANCE
Revision: 2-2013
DESCRIPTION: Challenge Electronics Speaker; 32.0 mm Long; Square shape; 32.0 mm Wide,
14.5 mm High; EA= 4 W maximum power; Impedance 8 Ohm; Plastic Frame; B Poly Foam Cone;
Rare Earth magnet; 250 Hz. (Fo) Resonant Frequency; Solder Terminal Lugs Termination; RoHS Lead
Free Compliant
SPECIFICATIONS
Square
Shape
Rated Power
Sine Wave
W
Square Wave
Maximum Power
DC Resistance
4W
Sine Wave
W
Square Wave
140 Hz. to 20,000 Hz. SPL within 10 dB Average
250 Hz. ± 20%, at 1.0 V
Resonant Frequency (Fo)
80 ± 3.0 dB(A), at: 1.0 W, 1.0 m, Average 400, 500, 600, 800 Hz, at 25°C, Baffle board (IEC)
Effective Frequency Band
Sound Pressure Level86
-25ºC to + 60ºC
Operating Temperature
32.0 mm
Diameter (D) 30.0 mm Ø
Baffle Opening
-40ºC to +70ºC
Storage Temperature
Length or Diameter (L /D)
Physical Dimensions
8 Ω ± 15%, at: 1,000 Hz. 1.0 V
Impedance
2W
Mounting
Length or Diameter (L /D)
26.5 mm
Distortion
Less than 5% at 1,000 Hz. at 1.0 W.
Width (W)
32.0 mm
Width (W)
Width (W)
26.5 mm
14.5 mm
Height (H)
Minimum Opening Recessed
3 mm
4
1.6 mm Ø
Mounting Holes
Holes size
Buzz & Rattle
Not be audible at 4 V sine wave between Fo to 20,000 Hz.
Polarity
When a positive DC Current is applied to the voice coil terminal marked + or red, the diaphragm shall move
forward
Magnet Rare Earth, NdFeB, OD 18.7 mm, H 4.0 mm
Frame Plastic, ABS
± 10% Gauss
Flux Density
Poly Foam
Cone Material
Terminal Lugs for wire leads soldering. (Caution, overheating the terminal may damage connections of voice coil
Termination
leads)
Material
Optional Gasket
Speaker Parameters
Qms
Approximate Weight
28 grams
Qes
Qts
Shielding
Vas
No
Mmd
M
M/N
BL
RoHS Lead Free
Compliance
Options
RELIABILITY
Maximum Power Test
With program White-Noise source Maximum Power, 1 minute on, 2 minutes off, 10 cycles, per (EIA) *
Thermal Operating Temperature
Test
96 hours continuous operation at Rated Power, at Maximum Rated Operating Temperature *
Thermal Storage Temperature
Test
96 hours at Maximum Rated Storage Temperatures *
96 hours continuous operation at Rated Power, at Minimum Rated Operating Temperature *
96 hours at Minimum Rated Storage Temperatures
*
SINGLE CYCLE
Thermal Shock Test
5 cycles of Minimum and Maximum Operating
Temperature
Each cycle shell be set per diagram below and is three (3)
hours long *
Maximum °C
25°C
15 30 45 60
90
120
150
Minutes
180
210
Minimum °C
Humidity Test
96 Hours at +40°C±2°C. 90-95% RH *
Operation Life Test
Must perform normal with program White-Noise source at Rated Power for 96 Hours per (EIA)
*
Vibration Test
A minimum of 1 MΩ, measured with 100 Vdc Insulation Resistance Meter, between the Electrical Terminals and
the Transducer Case
15 minutes at 1.5 mm with 10 to 55 Hz. vibration frequency to each of 3 perpendicular directions *
Termination Strength
Maximum of 9.8 N (1.0 Kg) load pull test, applied to each terminal in axial direction for 10 seconds
Drop Test
Dropped naturally from 1 meter height onto the surface of 40 mm wooden board, 3 axes (X,Y,Z) directions, 3
times (9 times total) *
*
Parts should conform to original performance within ±5 dB tested with Rated Power, after 3 hours of
recovery period.
Insulation Test
Reliability Test Performance
Warranty
For a period of one (1) year from date of shipping under normal operations conditions
This warranty does not apply to products damaged through misuse, abuse, improper installation, alteration, rework, or attempt to repair
The information contained herein is believed to be correct, but no guarantee or warranty, express or implied, with
respect to accuracy, completeness or results is extended and no liability is assumed.
Challenge Electronics reserves the right to make changes in any specification, data or material contained herein.
1 of 2
Copyright © 2013 Challenge Electronics
7/25/2013
Challenge Electronics
Tel:
1-800-722-8197
EMAIL: [email protected]
1-631-595-2217 WEB: WWW.CHALLENGEELECTRONICS.COM
Fax: 1-631-667-5484
95 East Jefryn Boulevard
Deer Park, NY 11729
DIMENSIONS
Units in: mm; Tolerance: ± 0.5 mm unless specified otherwise
Rear View
SPL vs. FREQUENCY RESPONSE
26.5±0.2
SPL (dB) at 2.83 V
4-Ø1.6
Ø26.0±0.2
27.9±0.2
Ø2.6
Side View
32.0 ± 0.2
Front View
90
80
70
60
50
40
1.4
32.0 ± 0.2
MOUNTING PRECAUTION
Speaker
100
200 300 500
TEST PROCESS
Speaker
Standard test condition of speaker
STANDARD
Temperature:
Relative humidity:
Atmospheric pressure:
X
JUDGEMENT
Standard Baffle Board Recommended
In IEC 268-5 Where 1650mmx1350mm
Audio Analyzer
B&K Type 2012
Temperature :
Relative humidity:
Atmospheric pressure:
PACKAGING
Y1
X2
Y2
SHIPPING BOX
Z3
6
ITEM:
C/N0:
TOP
COVER
MODEL
QTY
N.W
G.W
SIZE
LOT NO
MADE IN CHINA
PCS
KG
KG
MODEL
QTY
N.W
G.W
SIZE
LOT NO
PCS
KG
KG
X3
Revision
1-2013
2-2013
15 ~ 35ºC
45% ~ 85%
860 mbar to 1060 mbar
20±3ºC
60% ~ 70%
860mbar to 1060 mbar
Bundle
Part Number
Other PN if required
Quantity
Lot and/or Date Code
Bundle Number
Shipping Box
Part Number
Other PN (if required)
Quantity
Lot and/or Date Code
PO Number
Net Weight
Gross Weighjt
Box Number of Boxes
Made in China
ONE BUNDLE:
ITEM:
C/N0:
MADE IN CHINA
10k
5k
Zero Level:
Mode:
potentiometer Range:
Sweep Time:
20k
Y3
Description
Updated Frame and Cone Materials
Added product photo
The information contained herein is believed to be correct, but no guarantee or warranty, express or implied, with
respect to accuracy, completeness or results is extended and no liability is assumed.
Challenge Electronics reserves the right to make changes in any specification, data or material contained herein.
2 of 2
-dB
TSR
50 dB
0.5 sec
Input Power:
1.0 W
Microphone Distance:
MARKING
TWO BUNDLE
ONE TRAY:
X1
2k 3k
Standard Test Fixture
Test Condition
Power
Amplifier
Microphone
B&K Type 4191
1k
Frequency (Hz.)
In order to keep speaker
working normally, there
allow enough free space for
diaphragm movements,
Minimum distance required is
marked in page # 1under
Baffle Opening.
Minimum Sppace
for Diaphragm
Movements
Gasket
50
IMPEDANCE vs. FREQUENCY RESPONSE
Baffle
Opening
Panel
30
26.5±0.2
14.5±0.3
Dimensions
X = 100 cm
TRAY
X1
Y1
Z1
cm
cm
cm
BUNDLE
X2
Y2
Z2
cm
cm
cm
Quantity
Dimensions
Quantity
SHIPPING BOX
X3
39.5 cm
Y3
35.1 cm
Dimensions
Z3
32 cm
Number of Bundles
400
Quantity
12 Kg.
Approximate Weight
By
Date
Ely Zofan
Walter Sargent
7/22/2013
7/25/2013
Copyright © 2013 Challenge Electronics
7/25/2013