Alto-falante montado em PCB 50x18.2

1.  ELECTRICAL AND ACOUSTICAL SPECIFICATION
		Item	Specifications
	1-1	Dimension	φ50×18.2t
	1-2	Rated Input Power	2.0W
	1-3	Max Input Power	3.0W
	1-4	Rated Impedance	8±15% Ω /1KHz/1V
	1-5	Resonance Frequency(f0)	330±20% Hz/1V
	1-6	Sound Pressure Level	86±3　dB　at (AVG0.8,1.0,1.2，1.5)KHz 1W/0.5m baffleboard (IEC)
	1-7	Frequency Range	FOHZ ~ 10KHz
	1-8	Total Harmonic Distortion	5%MAX. at 1KHz,1V
	1-9	Flux Density	0.4T
	1-10	Polarity	When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphram shall move forward
	1-11	OperationTest	Must be normal at sine wave and program source 2.0W.
	1-12	Buzz,Rattle,etc.	Should not be audible at 2.0Wsine wave between (FO Hz ~ 5kHz)
	1-13	Weight	47g
	1-14	Voice Coil Diameter	φ13.28mm
	1-15	Magnet (Ferrite)	φ28.5×12.5×5 mmY30
	1-16	Appearance	Should not exist any obstacle to be harmful to normal operation;damages,cracks,rusts and distortions,etc.
	1-17	Operating Temp. Range	-20℃～+60℃
	1-18	Storage Temp. Range	-25℃～+70℃