The document presents specifications for a speaker, detailing its dimensions, acoustic properties, and electrical characteristics. Key features include an operating temperature range of -20 to +65 degrees Celsius, a resonance frequency of 650 Hz, and an output sound pressure level of 94 dB. It was developed by Tianer Technology Co., Ltd. and contains specific guidelines for dimensions and materials.

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APPEARANCE
A
SPECIFICATION A
Electrical and Acoustic Characteristics.
Dimensions 28x5.5mm
AC Impedance 8±15% at 2000Hz
Rated Input Power 1.0W
B Max. input power 1.5W B
Resonance Frequency 650±20%Hz
Output Sound Pressure Level 94±3dB/0.1M 0.1W at
0.8,1.0,1.2,1.5KHz Average
Frequency Response Fo~6KHz
Operating Temperature -20~+65
C Storage Temperature -30~+70 C
DIMENSIONS FREQUENCY RESPONSE
110
Sound Pressure Level (dB)
D 100
D
dB
90
80
70
E E
60
diaphragm
100 200 500 1k 2k 5k 10k 20k
UNLESS OHERWISE SPECIFIED
DIMENSION ARE IN MILIMETER
MATERIAL TIANER TECHNOLOGY CO., LTD.
AND (INCHES) SILICONE RUBBER 60O http://www.itianer.com
DECIMALS ANGLES FINISH TITLE
.XX ±0.50 (0.02)
.XXX±0.025 (0.001) ±1 O BLACK
Mylar Speaker
F F
DO NOT SCALE DRAWING
DWN BY DATE
THIRD ANGLE PROJEC TIO N
CHK BY DATE UNIT DWG NO/ PART NO REV
mm TE-DM28E-8H5.5 01
DESIGN DATE SHEET
SCALE 5:1 RELEASE DATE 2009/12/23
J.M. ‘09/08/22
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