Model NO.
YD78
Energy Exchanging Mechanism
Electrical
Color
Black
Feature
Full Frequency
Function
Micro Speaker
Application
Car Speaker etc
Transport Package
1000 Pieces Per Carton
Specification
metal
Trademark
Yuesonic
Origin
China
HS Code
8518290000
Production Capacity
300000 Pieces Per Month
Type:
Speaker
Speaker Design:
Tweeter
Shape:
Runway Shape
Material:
Metal
Sound Frequency:
High Pitch
Voltage:
1V
15W 8ohm 78mm low frequency music box full range customize bluetooth car speaker
1.Specifications
1.Specifications
| Sound pressure | 80±3(A)AT 1m/1w |
| VOICE COLL IMP | 8Ω |
| RESONANT FREQ | 100±20% HZ |
| Temperature | -25°C ~ 55°C |
| RATED POWER | 15W |
| MAX POWER | 20W |
| Weight | 285g |
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±3dB | AT 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 8,9 | 55± 2ºC 16 HOURS |
| 12 |
HUMIDITY TEST | AFTER TEST MEET ITEM 8,9 | 40±2ºC 90~95%RH 48 HOURS |
| 13 |
LOAD TEST | AFTER TEST MEET ITEM 8,9 | 15W 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 |
Packing & Delivery
46.5*42*32 cm
1000 pieces per carton
Neutral packing
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