RC-Bc27 8ohm 0.8W Bone Conduction Transducer for Earphone with PCB

• Category: Speaker
• Transmission Mode: Bone Conduction
• Cone: Rubber-edge
• Transducer Principle: Electrostatic Earphone
• Style: Head-mounted
• Radiation Mode: Indirect Radiation Type
• Model NO.: RC-BC17
• Usage: Accept
• WORD nChannels: 2.0
• Brand: Recon
• Shape: Round
• Color: White
• Transport Package: Carton
• Specification: 0.8W
• Trademark: recon
• Origin: China
• Production Capacity: 50000/Week

Product Description

RC-BC27 8ohm 0.8W bone conduction transducer 

Customer Name				JS Part No	RC-BC27
Customer's Model				Description	8ohm 0.8W transducer
NO.	Test Item		Specifications		Test condition
1	Impedance		8.0 Ω±15%		AT 1000 HZ
2	DCR		7.8 Ω±15%		AT 1000 HZ
3	Operation		Must be normal		Program source 0.4 W
4	Sweep test		Must be normal		Sine wave 1.8 V  255HZ-10KHZ
5	F0		255 HZ ±25%		Without baffle
6	Sensitivity		83±3dB average at 500,2k,4k,10kHZ		At 1.8 V axis calculated From0 .01M
7	Rated freq.response		F0-----20KHZ		Sensitivity -10 dB
8	Power input		Normal 0.4 W		Maximum 0.8 W
9	Distortion		5% MAX		At 1KHZ 0.1M 0.4 W
10	Life test		After test,meet Item 3,4&5		Pink noies   0.4 W  24 hrs 255HZ-20KHZ
11	Heat test		After test,meet Item 3,4&5		72±2ºC;20-50%AR.H.24hrs
12	Humidity test		After test,meet Item 3,4&5		40±2ºC;90-95%AR.H.24hrs
13	Cold test		After test,meet Item 3,4&5		-25±3ºC;  -%AR.H.8hrs
14	Slide Shock Test		Must be normal		Coasts from 1meter long slide along  75 angles
15	Magnet		Ne-Fe-B    Hard Ferrite   oz or    g
16	Flux density		Gauss
17	Net Weight		2.2±15% g or    0.077±15% oz
18	Polarity		When a positive volts d.c.is supplied from the speaker terminal marked(+)and a Negative volts to the other terminal the diaphram must move toward the front
19	Dimension		D:10.8mm,H:6.6±0.2mm