MIL-DTL-5589E
TO
ONE
POWER
KILOGRAM
SOURCE
WEIGHT
RUBBER PAD THICKNESS
300
3.0
.12 TO .25
a
b
(3.05)(6.35)
AUDIO
A
EARPHONE UNDER TEST
OSCILLATOR
(SEE NOTE 8)
COUPLER
1 POLE 2 THROW
VTVM
SWITCH
(SEE NOTE 5)
NO.1
(SEE NOTE 7)
STANDARD PRESSURE
MICROPHONE
(SEE NOTE 6)
MICROPHONE AMPLIFIER
FOR STANDARD
PRESSURE MICROPHONE
2 POLE 3 POSITION
SWITCH
VTVM
AUTOMATIC
DISTORTION
NO.2
RECORDER
ANALYZER
(SEE NOTE 4)
SEE 4.6.2.1
SEE 4.6.2.2
SEE 4.6.4
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Metric equivalents are in parentheses.
4. See 4.6.4.1 for type and requirement for distortion analyzer.
5. Coupler in accordance with ANSI S3.7-1995, type I.
6. Standard pressure microphone, in accordance with ANSI S1. 12-1967.
7. Use switch position "b" for paragraph 4.6.3 and switch position "a" for all other paragraphs
requiring electrical tests.
8. Audio oscillator output shall have characteristic output impedance of 600 ohms.
9. "OFF" position on switches is optional.
10. Either voltmeter method or voltmeter-ammeter method is acceptable.
FIGURE 2. Typical test circuit.
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