KEF PSW 2000, Руководство по обслуживанию

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3
POWERED SUBWOOFER
SPECIFICATIONS
Subwoofer Specifications
Typical LIMIT UNIT
1) CONTINUOUS POWER 120 115 W
(@ 90Hz, 0.1% THD)
2) THD (@90Hz 110W ) 0.08 0.09 %
3) CLIPPING POWER
(Output 1% THD @ 90Hz )
125 120 W
4) INPUT SENSITIVITY
@ 120W 4 ohm 70Hz
LINE . INPUT VOL . Max
95 +/-10% mV
SPK . INPUT VOL . Max 0.8 +/-10% V
5) S/N @ 12W 75Hz 90 85 dB
@ 120W 75Hz 100 95 dB
( A-WEIGHT, LINE INPUT )
6) LOW PASS FILTER @ 75Hz
Freq VOL Set to Max. Low -3dB
50 +/-10% Hz
Freq VOL Set to Max. Upper -3dB 115 +/-10% Hz
7) LOW PASS FILTER @ 60Hz
Freq VOL Set to Min. Low -3dB
45 +/-10% Hz
Freq VOL Set to Min. Upper -3dB 80 +/-10% Hz
8) LOW PASS FILTER ROLL-OFF
Freq VOL Set to Max.
22 +/-2 dB
9) LOW PASS FILTER ROLL-OFF
Freq VOL Set to Min.
22 +/-2 dB
10) LINE OUTPUT @1V INPUT
HI PASS FILTER -3dB
( LINE IN @ 1KHz )
Freq VOL Set to Max.
170 +/-10% Hz
Freq VOL Set to Min. 70 +/-10% Hz
11) LINE OUTPUT @1V INPUT
HI PASS FILTER ROLL-OFF
LINE IN @ 1KHz
( 0 dB O/P Ref )
Freq VOL Set to Max.
12 +/-2 dB
Freq VOL Set to Min. 18 +/-2 dB
12) LINE OUTPUT
LINE IN @ 1KHz 1V INPUT
( 0 dB O/P Ref )
Freq VOL Set to Max.
1.2 +/-10% V