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Music Player Driver Focal Component Speakers 15W 8ohm 78mm Woofer Easy Use

Music Player Driver Focal Component Speakers 15W 8ohm 78mm Woofer Easy Use

Brand Name:Yuesonic
Certification:CE
Model Number:YD78-15-8
Minimum Order Quantity:2000pcs
Delivery Time:2~4weeks
Payment Terms:T/T, Western Union,Paypal
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Location: Changzhou Jiangsu China
Supplier`s last login times: within 48 hours
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Product Details

15W 8ohm 78mm woofer music player driver customize bluetooth speaker media parts

1. Specifications

Sound pressure80±3(A)AT 1m/1w
VOICE COLL IMP
RESONANT FREQ100±20% HZ
Temperature-25°C ~ 55°C
RATED POWER15W
MAX POWER20W
Weight285g

2. Description



NO.


ITEM


SPECIFICATION


TESTING CONDITION

1

NOMINAL SIZE

φ78MM
2

VOICE COLL IMP

8Ohm ±15%
3

RESONANT FREQ

fo 100±20% HZ
4

OUTPUT S.P.L

80±3dBAT 1m/1w MEASUREMENT
5

FREQ RESPONSE

fo~ 4K Hz -10dB-10dB
6

RATED POWER

15W
7

MAX POWER

20 W
8

DISTORTION

7 %Max
9

OPEARTION


MUST BE NORMAL

PROGRAM SOURCE 0.1 W
10

NOISE


MUST BE NORMAL

SIN WAVE 3.1 V
11

HEAT TEST

AFTER TEST MEET ITEM 8,955± 2℃ 16 HOURS
12

HUMIDITY TEST

AFTER TEST MEET ITEM 8,9

40±2℃

90~95%RH 48 HOURS

13

LOAD TEST

AFTER TEST MEET ITEM 8,915W 100 HOURS
14

MAGNET

φ60*24*12

MATERIAL SIZE

15

TOTAL FLUX

MAX WELL
16

FLUX DENSITY

GAUSS
17

POLARIZATION

When a positive DC current is applied to the terminal marked(+),diaphragm shall move forward

18

NET WEIGHT

285g



3. Applications

To adequately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level or maximum accuracy. Individual drivers are used to reproduce different frequency ranges. The drivers are named subwoofers (for very low frequencies); woofers (low frequencies); mid-range speakers (middle frequencies); tweeters (high frequencies); and sometimes supertweeters, optimized for the highest audible frequencies. The terms for different speaker drivers differ, depending on the application. In two-way systems there is no mid-range driver, so the task of reproducing the mid-range sounds is divided between the woofer and tweeter. Home stereos use the designation "tweeter" for the high frequency driver, while professional concert systems may designate them as "HF" or "highs". When multiple drivers are used in a system, a "filter network", called a crossover, separates the incoming signal into different frequency ranges and routes them to the appropriate driver. A loudspeaker system with n separate frequency bands is described as "n-way speakers": a two-way system will have a woofer and a tweeter; a three-way system employs a woofer, a mid-range, and a tweeter. Loudspeaker drivers of the type pictured are termed "dynamic" (short for electrodynamic) to distinguish them from earlier drivers (i.e., moving iron speaker), or speakers using piezoelectric or electrostatic systems, or any of several other sorts.


4. Competitive Advantage

1). Reinforced nylong housing eliminates corrosion damage

2). Wire/connector/bolt mounting optional, easy to install

3). Voltage polarity protection

4). RoHS compliant, CE certified, SGS


5. Information

Place of Origin:China
Brand Name:Yuesonic
Certification:CE/RoHS/SGS
Model Number:YD78-1N

6. Custom properties

Product Name:SpeakerApplication:Outdoor
Weight:257gSound:HIFI
Material:MetalPower:15W
Standard:CE/ROHS/SGSType:Line array

7. Product commercial terms

Minimum Order Quantity:2000pcs
Price:negotiation
Packaging Details:T/T or western Union
Delivery Time:3,0000pcs per month
Payment Terms:14~28 working days after received your payment
Supply Ability:Packed in box firstly,and then reinforced with neutral packaging for outer packing

China Music Player Driver Focal Component Speakers 15W 8ohm 78mm Woofer  Easy Use supplier

Music Player Driver Focal Component Speakers 15W 8ohm 78mm Woofer Easy Use

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