ITEM

SPECIFICATIONS

01

Type

Dynamic speaker

02

Dimension

External diameter 50 mm

03

Rated Input Power

1.5 W (Long Time)

04

Max. Input Power

2.0 W for 1 minute

05

Impedance

8 ohm ± 20% at 2000Hz.

06

Resonance Frequency (Fo)

450 Hz ± 20% at  Fo, 1V

07

Sensitivity (S.P.L.)

92dB (0.1W / 0.1m) ± 3 dB

atAVE0.6K,1.0K,1.2K，,15K Hz.

08

Frequency Range

Fo – 6KHz

09

Total Harmonics Distortion

Less than 5% at 1KHz input Rated Power

10

Magnet

Rare earth permanent (Nd-Fe-B) magnet φ12.5x2 mm 

11

Weight

16.0g ± 8% g

12

Appearance

Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.

13

Operation Test

Must be normal at program source  1.5 W

14

Buzz, Rattle, etc.

Should not be audible at 3.46V sine Wave between Fo to 6 KHz

15

Polarity

When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.

16

Terminal Strength

Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection.

17

Temperature

Operating temperature: -20℃ to +60℃

Storage  temperature: -30℃ to +70℃

18