2
Table of Contents
The Purpose and Benefit of This Tool
3
What is Included
3
About the Design
3
Specifications
4
Power Requirements
5
General Notes for using the IM-SG
6
Compensating for test harness impedance
7
General Notes for Measuring Raw Speaker Drivers
8
Finding the Resonant Frequencies of a Vehicle or Room
9
Finding the Resonant Frequencies of parts (
finding rattles
)
10
Using the IM-SG to tune the response of an audio system
11
Checking the Impedance of Speaker Cables or Signal Cables 13
Checking the Final Speaker Load on an Amplifier
15
Finding the Resonant Frequency of a Driver
(f
S
)
16
The Significance of
f
S
18
Finding the Resonant Freq. of a Sealed Box System
(f
C
)
21
Finding the "Q" of a Sealed Box System
(Q
TC
)
23
Finding the Volume of a Subwoofer Enclosure
(V
b
)
25
Finding the Tuning Freq. of a Ported Box System
(f
B
)
27
Finding the Tuning Freq. of a Passive Radiator System
(f
B
)
29
Finding the Resonant Freq. of a raw Passive Radiator
(f
P
)
30
Finding the characteristics of 4th order Bandpass Box
31
Finding the Thiele / Small (T/S) paramters of a driver
33
Troubleshooting
46
Limited warranty information
47
Summary of Contents for SMD IM-SG
Page 1: ...IM SG Impedance Meter Signal Generator Owner s Manual ...
Page 20: ...20 Figure 2 Impedance curve of a typical 4 ohm 1 tweeter Notice the fS at 1 59 kHz ...
Page 22: ...22 Figure 3 fC of a single 4 ohm 15 inch subwoofer in a 2 cubic feet sealed box ...
Page 44: ...44 Notes ...
Page 45: ...45 Notes ...
