Basic Info.
Model NO.
LK13A150136-05X
Transmission Mode
Bone Conduction
Transducer Principle
Permanent Magnetic Speaker
Radiation Mode
Direct Radiation Type
Transport Package
Paper Box
Product Description
1. SCOPE This specification cover our product of dynamic earphone cores unit for mobile telephone and MP3 etc. use. 2. OUTLINE & TABLE OF METERIALS Shown in Fig.1 3. GENERAL REQUIREMENTS 3.1 OPERATING TEMPERATURE RANGE: -20ºC to +60ºC 3.2 STORAGE TEMPERATURE RANGE: -20ºC to +60ºC 3.3 SOLDERING TEMPERATURE: 380ºC ±20ºC 3.4 JUDGEMENT CONDITIONS: Temperature: 20±2ºC Relative Humidity: 60%~70%(RH) Air Pressure: 860~1060hPa 4.MECHANICAL CHARACTERISTIC 4.1 TYPE: dynamic earphone cores 4.2 DIMENSION:φ13×T3.6[mm] 4.3 WEIGHT: Approx / grams 4.4 VOICE COIL DIAMETER: Internal diameter φ7.0 mm 4.5 MAGNET SIZE: Rare earth permanent magnet φ6.5mm 4.6 MAGNET WEIGHT:/±0.05 [g] 4.7 APPEARANCE: Should not exist any obstacle be harmful to normal operation: damages, cracks, rusts and distortions,etc. 4.8 TERMINAL STRENGTH: Capable of with stand a (1.0Kg) load for 15 sec. Without resulting in any damage or rejection. 5.ELECTRICAL AND ACOUSTICAL CHARACTERISTIC 5.1 SOUND PRESSURE LEVEL(S.P.L) Sound pressure level shall be indicated by the mean value of those measured at the specified frequency. 112±3dB SPL @1KHz (0dB SPL=20μPa) Input Input voltage: 387mV (Sine wave) measured with IEC318 coupler Fig.2 5.2 RESONANCE FREQUENCY( Fo ):/±20%Hz at 1V.( No Baffle ) Measurement Circuit: shown in Fig.2 5.3 RATED IMPEDANCE: 150±15% ohm(at 1KHz,1 V) Testing system: shown in Fig.2 5.4 FREQUENCY RESPONSE RANGE: 100 ~ 10.0KHz Typical frequency Response Curve: Shown in Fig.4. Whit 142EH artificial ear Measurement Circuit: shown in Fig.2 5.5 RATED INPUT POWER: 20mW 5.6 MAX INPUT POWER: 30mW Testing will be done using IEC filter with white noise source for 1 second with no degradation in performance. 5.7 TOTAL HARMONIC DISTORTION: ≤5% @.AT100mV 1KHz 5.8 OPERATION: Must be normal at sine wave and program source 20mW. 5.9 POLARITY: When a positive DC current is applied to the terminal marked (+), the diaphragm shall move forward. 5.10 PURE SOUND DETECTION: PURE SOUND DETECTION: Buzz, Rattle, etc Should not be audible at 1.73V sine wave from 200 to 5KHz. Measurement Circuit: Shown in Fig.3 | |
Address:
No 5 Jinglao Road 2 Xinqiao Street Baoan District Shenzhen City, Shenzhen, Guangdong, China
Business Type:
Trading Company
Business Range:
Consumer Electronics
Management System Certification:
ISO 9001
Company Introduction:
Our company supplies different kinds of products. High quality and favorable price. We′re pleased to get your Inquiry and we will come back to as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.