Musical Fidelity MF100 User Manual
Headphone Measurements:
Musical Fidelity MF100
Frequency Response
Top - Compensated and Averaged
Bottom - Raw Data for Five Headphone Positions
20
15
10
5
0
-5
-10
-15
-20
-25
Amplitude (dB)
-30
-35
-40
-45
-50
10 100 1000 10000 100000
Frequency
Electrical Impedance and Phase
Measured with 600 Ohm output impedance.
90
80
70
60
50
40
30
Impedance in Ohms
20
10
0
10 100 1000 10000 100000
Frequency
Impedance Phase
Attenuation of External Sound vs. Frequency
10
5
0
-5
-10
-15
-20
-25
-30
Reduction in dB
-35
-40
-45
-50
10 100 1000 10000 100000
Isolation
Frequency
30 Hz Square Wave
60
40
20
0
-20
-40
-60
0.05
0.04
0.03
0.02
0.01
0
Volts
-0.01
-0.02
Phase in Degrees
-0.03
-0.04
-0.05
0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
Time in Seconds
Right Left
%THD+noise @ 90dB and 100dB
100
10
1
%THD+noise
0.1
0.01
10 100 1000 10000 100000
Frequency
Left 90dB Right 90dB Left 100dB Right 100dB
Impulse Response
0.03
0.02
0.01
0
-0.01
-0.02
-0.03
0.0000 0.0003 0.0006 0.0009 0.0012 0.0015 0.0018 0.0021 0.0024 0.0027 0.0030
Time in Seconds
300 Hz Square Wave
0.04
0.03
0.02
0.01
0
Volts
-0.01
-0.02
-0.03
-0.04
0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.010
Volts RMS required to reach 90dB SPL: 0.057 Vrms
Impedance @ 1kHz: 74 Ohms
Power Needed for 90d BSPL 0.04 mW
Broadband Isolation in dB (100Hz to 10kHz): -9 dBr
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Time in Seconds
Right Left
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