Dynamic Speaker Electroacoustic Characteristics
Sound Pressure Level
SP DYNAMIC
SPEAKER UNIT
Acoustic Product Specification
82±3dB SPL @ 2KHz 1.0V(Sine wave) 0.1m measured with baffler shown in
Fig.1. (1CC BOX)
Measuring Diagram
Shown in Fig.1
Typical Frequency Response Curve
Shown in Fig. 2
Product Number: SP-1511S-4
SP-1605-3
Resonance Frequency
950±20%Hz @ 1Vrms. (In 1CC BOX)
Input Power (Nominal and Maximum)
Rated Noise Power: 0.7W (In 1CC Box)
Short Term Max Power: 1.0W (In 1CC Box)
Operation Test
Release | Revision: B/2018
Must be free audible noise (buzzes and rattles)
200 ~ 3400Hz frequency range, input level up to 2.37Vrms (In 1CC BOX)
CONTENTS
This document contains the
technical specifications for the
dynamic speaker unit.
Page 1
Speaker Electroacoustic
Characteristics
General Specifications
Page 2
Frequency Measuring Circuit
(Receiver Mode)
Typical Frequency Response
Curve (Speaker Mode)
Test Climatic Conditions
Page 3
Reliability Tests
Page 4
Heat Shock Test
Temp. Cycle Test
Distortion
Less than 10% at 1KHz 1V
General Specifications
Operating Temperature Range
-25℃ ~ +65℃
Storage Temperature Range
-40˚C ~ +75˚C
AC Impedance
8Ω±15% (@2KHz 1Vrms)
Dimension
15 x 11 x 3.9 mm
IP Rating
No rating
Page 5
Dimensions
Page 6
Packing
1
www.soberton.com
Frequency Measuring Circuit - Receiver Mode (Fig, 1)
SP DYNAMIC
SPEAKER UNIT
Acoustic Product Specification
Product Number: SP-1511S-4
SP-1605-3
Typical Frequency Response Curve - Speaker Mode (Fig, 2)
Release | Revision: B/2018
CONTENTS
This document contains the
technical specifications for the
dynamic speaker unit.
Page 1
Speaker Electroacoustic
Characteristics
General Specifications
Page 2
Frequency Measuring Circuit
(Receiver Mode)
Typical Frequency Response
Curve (Speaker Mode)
TEST CLIMATIC CONDITIONS
Test Climatic Conditions
Page 3
Reliability Tests
Standard Test Condition
Temperature 17 ~ 25℃
Page 4
Heat Shock Test
Relative humidity 45% ~ 80%
Temp. Cycle Test
Atmospheric pressure 860~1060 hPa
Page 5
Dimensions
Page 6
Packing
2
www.soberton.com
Reliability Tests
The sound pressure as specified will neither deviate more than ±3dB from the initial
value, nor have any significant damage after any of following testing.
SP DYNAMIC
SPEAKER UNIT
High Temperature Test
High Temperature +75±2℃
Duration 96 hours
Acoustic Product Specification
Low Temperature Test
Low Temperature -25±2℃
Product Number: SP-1511S-4
SP-1605-3
Duration 96 hours
Heat Shock Test (See in Fig. 3)
High Temperature +75±2℃
Low Temperature -40±2℃
Changeover Time
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