SPECIFICATION

1 SIZE: D50mm * H20mm

2 Nominal Impedance: 4Ω±15% at 1KHZ,1.0V (D.C.R=4.5Ω±10%)

3 Input Power Nom. Input 12W

Max. Input 18 W

4 Operation 4.90Volt (200Hz-20KHz) Sweep Time at 2s

5 Resomant FerQ. F0: 220 ± 20% HZ (F0 Meter)

6 Flux Density 11500GAUSS ± 10%

7 Insulation Resistance No Less than 1M at DC 100V

8

Polarity

When positive voltage is applied to the (+) Terminal, V oice

Coil should move out to of the Air gap.

9. Weight 90g ± 10% (Driver weight)

10 Power Test IEC 268-5 6.93V 48 Hours

11

Heat Resistance

Temperature: +60℃ ± 2℃

Duration: 24 hours

12

Humidity Resistance

Temperature: + 40℃ ± 2℃

Relative Humidity: 93(+2/-3)%

Duration: 48 Hours(GB)

13

Low Resistance

Temperature: -10℃ ± 3℃ testing 1 Hours (GB)

And then -20℃± 3℃ testing 2 Hours(GB)

14 Dropping Test 600±25mm 60°±5° (GB)