Rated Impedance

8+/-10% ohm

Rated Power

1 W

Max. Power

1.5 W

Resonant Frequency

400+/-20% Hz

Frequency Range

fo ~ 5,000 Hz

Sound Pressure Level

86+/-3 dB @1m1w (Average of SPL values at 800, 1000, 1200 & 1500 Hz. )

Operating Temperature

-10 ^oC to +40 ^oC

Storage Temperature

-20 ^oC to +50 ^oC

Termination

Description

2 soldering lugs, Sn plated Brass

Construction Materials

Case

ABS PA-757,Black

Diaphragm

Black Mylar cone

Weight (Typical)

47 g

Reliability

*Buzzes & Rattles

Must be normal at 7.07 V(=1W) sine wave

*Load Test

1W white noise for 96hrs

*High Temperature

no function at +50 +/-2 ^oC for 96 hours, function at +40+/-2 ^oC for 16 hours,

*Low Temperature

no function at -20+/-2 ^oC for 96 hours, function at -10+/-2 ^oC for 16 hours,

*Humidity

+40+/-2C^o, 90 ~ 95% R.H. for 48hrs

*Thermal Shock

-10+/-2 ^oC, 30min®+20 ^oC,15min,®+40+/-2 ^oC, 30min®+20 ^oC,15min, 5 cycles

*Vibration

1.5mm with 10 to 50Hz of vibration frequency to each of 3 perpendicular direction for 2 hrs

*Soldering Heat Resistance

350+/-5 ^oC iron put on termional lugs for 3+/-1 seconds

**Solderability

Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of 350+/-5 ^oC for 3+/-0.5 seconds.

Warranty

For a period of one (1) year from date of manufacture under normal operations