Speaker 40KS08P

Speaker 40KS08P

Model

• 40KS08P

Dimension & Weight

• Outer Diameter 40X20 mm
• Face side Dimension 19X39mm
• Baffle Opening 19X39 mm
• Height Refer to drawing
• Weight 6.4Grams

Magnet

• Materials Rare Earth
• Size 11.5φ ×1.5 mm

Nominal Impedance

• 8 Ω ± 15 %, At 1000 Hz.

Power Rating

• Normal 2 Watts Maxim 3 Watts Sine Wave.
• Normal Watts Maxim Watts Square Wave.

Resonant Frequency

• 600 ± 20 % Hz.

Output Sound Pressure Level (S.P.L.)

• 87 ± 3 db/ 1.0 Watt. 0.5 Meter
• Average at 600, 800, 1000, 1200, Hz.

Frequency Range

• 500 ~ 15000 Hz. Average SPL − 10 db.

Distortion

• 5 % Maximum At 1000 Hz. 1.0 W.

Abnormal Sound test

• Must be Normal Tested By 4.0 Volts. Sine Wave.

Load Test

• White Noise with weighted filter 4.0 Volts. (RMS.) 24 Hours.

Polarity

• Diaphragm shall move Forward while Apply a Positive DC Signal to the " + " or " Marked " Terminal.

Above Measuring condition under temperature : 15~35? R.H. 25 ~75%. According to standard GB/T9396-1996

Mechanical and vibration test
High Temperature

• + 60 ± 2 °C Humidity Random for 96 Hours. (GB2423.2-81)

Low Temperature

• − 25 ± 2 °C Humidity Random for 96 Hours. (GB2423.1-81)

Humidity

• + 40 ± 2 °C Relative Humidity (RH) 90 ∼ 95 % 96 Hours.

Vibration

• Frequency 30 ± 15 Hz, Amplitude 1.5 mm for 3 Hours. (GB11606.8-89)

Drop test

• 75 CM free falling on Concrete floor, 10 times. (GB2423. 8-81)

After test leave speakers at room temperature for 1 hour, SPL shall not deviate by ± 3 db from pre-test

Temperature Cycle test

• − 25 ∼ + 60 °C 4 Cycles Temperature tests. (GB5170.18-87)

After test leave speakers at room temperature for 1 hour, SPL shall not deviate by ± 4 db from pre-test
Measurement, and meet above spec. item 6. 7. 8. 9. 10.