121112KN
2011 WINTER vol.34
19
6dB
1/2
(E)
V
E (1/2)mV2
E
M
V
E
Copyright© URAWA ACOUSTICS LABORATORY All Rights Reserved.
E
121112KN
1/2
1.67
6dB(
)
20log2 6.02
±6dB/oct
±12dB/oct ±18dB/oct
RIAA
RIAA
50Hz
50 500Hz
500 2100Hz
2100Hz
(
1kHz
80mm/s
(mm/s)
LP
25μm
1kHz
80mm/s
1/10
10kHz
2.5μm
Copyright© URAWA ACOUSTICS LABORATORY All Rights Reserved.
1kHz