(4)
PRA 528B C
PRA 528B C
90 dB
135 135
180
90
45 45
0
5
10
15
20
25
250 Hz 2000 Hz
4000 Hz
8000 Hz
500 Hz
1000 Hz
:
:
50 16000Hz
-39dBV/pa(11mv/pa)
200
26dB (A IEC/DIN 651)
132dB ( 1% 1000Hz)
106dB
9 52V (IEC 268-15/DIN 45596)
3mA
:
PRA-528BM/ 20x470mm;
PRA-528BL/ 20x620mm;
PRA-528BM/150g;
2 3
PRA-528CM/ 24x410mm;
PRA-528CL/ 24x560mm;
PRA-528BL/160g;
PRA-528CM/200g;
PRA-528CL/220g;
PRA-528BM
PRA-528BL
PRA-528CM
PRA-528CL
HM-24
DS-003
(PRA-528B )
(PRA-528B )
dB
10
-10
-20
20 50 100 200 500 1000 2000 5000 10000 20000 Hz
0
Φ12X27mm (
3
HM-22
S-05 HM-23
PRA-528
PRA-528B/C
http superlux tw
PCB
1:
2:
G-4B
HM-22
HM-22