Product Specifications
| Prod Model: |
NSA-305P-C-3 |
| Category: |
Speaker |
Product Description
Headphone Speaker (NSA-305P-C-3)
1.1 Type
Cone Permanent-magnet dynamic loudspeaker.
1.2 Dimensions 29.9 mm 1.19inch
1.3 Input Nominal input 0.02 W Maximum input W
2. Mechanical Speciality
2.1 Construction imensions See drawing Drawing No.:
2.2 Magnet
Magnet Size: Φ 12.5*3.8F Weight: 2.2 g Material: Ferrite
2.3 Total Weight 7.9 g OZ
3. Electrical Speciality
3.1 Nominal Impedance 32 Ω ± 15 % At 1000 Hz test
3.2 Lowest Resonance Frequency 150 Hz ± 20 % (inpur 1.0v)
3.3 Output Sound Pressure Level 88.7 ± 3dB (At 1000~3000 Hz average) At 0.02W/2.5cm
3.4 Effective Frequency Band F0 ~ 20k Hz ± 10dB
3.5 Distortion 5% less than 0.02 W, 1000 Hz morethan
3.6 BuzzRattle etc. Must be normal at sine wave0.8V, 50~5KHz, / uf.
3.7 Operation Must be normal at program source0.02W. 5H
3.8 Polarity
When a positive current is supplied from the speaker the terminal marked
Gpglobal Tech. Co., Ltd., is a joint venture with more than 2200 employees. As the largest supplier of ECM, earphone, speaker, receiver, buzzer and more electret products, it has been specializing in the research, manufacture and sale of kinds of electro-acoustic products for more than 10 years. In 2002, it has introduced several automatic production lines of receiver and speaker from South Korea.
At present, more than 90% products are delivered to oversea market including Europe, America, Japan, Southeastern Asia, etc.
Gpglobal Tech. Co., Ltd. Has made a long term development plan to be a world-famous electro-acoustic manufacturer in fifteen years.
Certificates
In 2000, Gpglobal Tech. Co., Ltd. Has passed the audit of UKAS and has got the certificate of ISO9001: 1994 Quality Management System, which was the first one in domestic electro-acoustic field.
At the beginning of 2002, Gpglobal Tech. Co., Ltd. Has introduced the ISO14001: 1996 Environmental Management System.
In October of 2003, Gpglobal Tech. Co., Ltd. Has passed the audit of double systems and has got the certificates of Quality Management System from UKAS and Environmental Management System from Beijing New Century Certification Co., Ltd.
Equipments
Gpglobal Tech. Co., Ltd. Takes the lead in building the anechoic room, voice lab, clean room and introducing into B&K tester, SMT lines, automatic production lines and other advanced testers. To ensure the product consistency, IEA founds the Tooling Center for equipment research and design. In the center, there are CNC lineal wire-cut electrical discharge machine, CNC electrical discharge machine, DMG universal machining center, CNC electrical discharge machine and other advanced equipments.
