1.1

               USE TYPE

40x28.5 x11.7mm

1.2

RATING POWER

2W

1.3

VOICE COIL IMPEDANCE

8Ω±15%  at 1000Hz  1.0 V

1.4

RESONANCE FREQUENCY

550Hz±20%  at 1.0 V

1.5

SOUND PRESSURE

93±3dB  0.1m /1W at 800,1000,1200,1500Hz in average

1.6

RESPONSE RANGE

Fo–8K Hz deviation 10 dB Max.

1.7

DISTORTION

10% max  at 1K Hz  0.1W

1.8

MAX INPUT POWER

3W must be normal at a white noise for one second

1.9

VOICE COIL

Φ13.28

1.10

MAGNET SIZE

Size  Φ12.5*2.5

1.11

BUZZ RATTLE

Must be normal at sine wave4V

1.12

LOAD TEST

White noise2W 24 Hours

1.13

HEAT TEST

55℃±2℃ 20-25% H.M. 24 Hours

1.14

HUMIDITY  TEST

40℃±2℃ 90-95% H.M. 24 Hours

1.15

COLD TEST

-25℃  2 Hours

1.16

POLARITY

When a positive D.C current is applied to the voice coil terminal marked(_＋).the diaphragm shall move forward