1.1

             USE TYPE

Φ42 x 15mm

1.2

RATING POWER

10W

1.3

VOICE COIL IMPEDANCE

8Ω±15%  at 1000Hz  1.0 V

1.4

RESONANCE FREQUENCY

1600Hz±20%  at 1.0 V

1.5

SOUND PRESSURE

91±3Db  0.5m /1W at 2K,2.5K,3K,4K Hz averge

1.6

RESPONSE RANGE

Fo–20K Hz deviation 10 Db Max.

1.7

DISTORTION

7% max  at 3K Hz  

1.8

MAX INPUT POWER

12W must be normal at a white noise for one second

1.9

VOICE COIL

Φ13.28

1.10

MAGNET SIZE

Size  Φ12.5*3

1.11

BUZZ RATTLE

Must be normal at sine wave8.9V  串电容2.2Μf/50V(1600-20KHz)

1.12

LOAD TEST

White noise10 W24 Hours（串电容2.2Μf/50V）

1.13

HEAT TEST

70℃±2℃ 20-25% H.M.24 Hours

1.14

HUMIDITY  TEST

40℃±2℃ 90-95% H.M. 24 Hours

1.15

COLD TEST

-25℃  16 Hours

1.16

POLARITY

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