1.SCOPE:
This specification covers our product of dynamic Speaker unit for mobile telephone use.
2.MECHANICAL LAYOUT & DIMENSIONS:
Shown in Fig.3
3.SIZE: Φ57×H13.6
4.NET WEIGHT :
Approx.15.5±0.2g
5.SPEAKER ELECTRICAL AND ACOUSTICAL CHARACTERISTICS
5.1 SOUND PRESSURE LEVEL
88±3dB SPL @ 1.0,1.2,1.5,2.0KHz in average ( 0dB SPL=20μPa )
Measuring condition: 0.1W(sine wave) 0.1M measured with baffler shown in Fig.2
5.2 IMPEDANCE: 8±15%Ω ( @ 2KHz 1V )
5.3 DC Resistance: 7.4±15%Ω
5.4 MEASURING DIAGRAM : Shown in Fig.1
5.5 FREQUENCY RESPONSE MASK & TYPICAL FREQUENCY RESPONSE CURVE:
Shown in Fig.2
5.6 RATED POWER: 3W. MAX POWER: 4W.
5.7 RESONANCE FREQUENCY (Fo): 500±20% @1V.(without baffler)
5.8 DISTORTION : Less then 10 % at 1kHz 0.1W.
5.9 AUDIBLE NOISE: Must be free audible noise 500~4kHz, Input level up to 2.00 Vrms.
5.10 FREQUENCY RANGE: Fo~ 20kHz resonant frequency down -10dB.
5.11 OPERATING TEMPERATURE:
-20℃ to +70℃
5.12 STORAGE TEMPERATURE:
-30℃ to +80℃
5.13 FRONT CLEARANCE:
keep clear of Speaker front by 0.0mm for undisturbed sound reproduction.:
-30℃ to +80℃
FREQUENCY MEASURING DIAGRAM ( SPEAKER MODE ) (Fig.1)
Fig.1 Illustration of measuring diagram (speaker mode)
·FREQUENCY RESPONSE MASK & TYPICAL FREQUENCY RESPONSE CURVE
( SPEAKER MODE ) (Fig.2)
Fig.2 Frequency response mask & typical frequency response curse(speaker mode)
DIMENSIONS AND MATERIAL DATA(Fig.3)
Fig.3
01.MATERIAL OF FRAME MF0057-01
02.MATERIAL OF YOKE SPCC Plated
03.MATERIAL OF POLE PIECE SPCC
04.MATERIAL OF MAGNET NdFeB Zn Plated
05.MATERIAL OF CAP PAPER
06.MATERIAL OF DIAPHRAGM PAPER
07.MATERIAL OF COIL COPPER WIRE (DS-UP)
08.MATERIAL OF WIRE NON
09.MATERIAL OF DUSTPROOF COTCH NON-WOVEN
10.MATERIAL OF SCREEN PORON
6.RELIABILITY TESTS:
The sound pressure as specified shall neither deviate more than ±3dB from the initial value, nor any significant damage after any of following testing.
6.1 LOAD TEST:
White noise (EIA filter) for 96 hours @ 0.5W input power.
6.2 HUMIDITY TEST:
Temperature: +40±2℃ Relative Humidity: 90%~95%
Duration : 16 hours
6.3 HIGH TEMPERATURE TEST:
High Temperature: +70℃ Duration: 16 hours
6.4 LOW TEMPERATURE TEST:
Low Temperature: -30℃ Duration: 16 hours
6.5 DROP TEST:
Height: 1.5M
Cycle: 10 cycles(Onto the concrete board)
6.6 HEAT SHOCK TEST:
High temperature : +70℃
Low temperature : -30℃
Changeover time: <30secends
Duration : 1 hour
Cycle : 5
6.7 TEMPERATURE CYCLE TEST:
Temperature : -30℃ +70℃
Duration : 45 minutes
Temperature gradient: 1~3℃/minutes
Cycle: 5
PACKAGING
1. PE Pan: 240*240*13.5 mm 40 pcs
l One PE pan contains 100 pcs products
l Total: 2000pcs/ 1 inner carton
2. Paper Board: 225*225 mm 42pcs
l 1pcs paper board on top of each PE pan
l 1pcs paper board on bottom of inner carton
3. Box : 513*257*218mm 1 pcs
l 1pcs outer carton contains 2 pcs inner carton
l Total: 4000pcs/ 1 outer carton
4. Net Weight : 5.0 KG
5. Gross Weight : 5.5 KG