PUI Audio Inc. engages in continuous product improvement. All specifications are subject to change without notice. www.puiaudio.com. Copyright © 2015. Last Revised 7/15.

AT-1438-TWT-R

40mm Speaker

Mechanical and Environment Testing

Test Description

Test Condition

High Temperature

80°C (±2°C) with random humidity for 96 hours

Low Temperature

-30°C (±2°C) with random humidity for 96 hours

Humidity

40°C (±2°C) with 90% to 95% relative humidity for

96 hours

Vibration

0.75 mm movement modulated at 10-55 Hz for 3

hours

Drop Test

100 cm free fall onto wood board, 10 cycles

Temperature Cycle Test

-30°C to 80°C, 100 cycles

After tests, part shall rest for 2 hours. Parts are then tested for clean, pure tones.

Frequency Response and SPL Measurement Setup

Wave Solder Profile

AT-1620-TWT-R

16mm Transducer

Temperature Cycle Test Graph