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Now downloading free:Kef PSW1000

Kef PSW1000 free download

Audio equipment,digital audio, home audio, professional audio systems service manuals and repair information

File information:
File name:Kef-PSW1000 actsub.pdf
[preview PSW1000]
Size:809 kB
Extension:pdf
Mfg:Kef
Model:PSW1000 🔎
Original:
Descr:active subwoofer
Group:Electronics > Consumer electronics > Audio
Uploaded:07-01-2010
User:AndyMn
Multipart:No multipart

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Decompress result:OK
Extracted files:1
File name Kef-PSW1000 actsub.pdf

SERVICE MANUAL POWERED SUBWOOFER CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4 PARTS LIST: PRE AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6 POWER AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7 VOLTAGE SELECTOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 PRE AMP AND POWER AMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 8" SPEAKER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 POWER CORD CABLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12 PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 EXPLODED VIEW DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-16 POWERED SUBWOOFER SPECIFICATIONS GENERAL SPECIFICATIONS 1) 2) 3) 4) CONTINUOUS POWER (@ 85Hz, 0.17% THD) THD (@85Hz 75W ) CLIPPING POWER (Output 1% THD) INPUT SENSITIVITY @ 85W 4 ohm 85Hz LINE . INPUT VOL . Max SPK . INPUT VOL . Max S/N @ 8W 85Hz @ 80W 85Hz ( A-WEIGHT, LINE INPUT ) LOW PASS FILTER @ 85Hz Freq VOL Set to Max. Low -3dB Freq VOL Set to Max. Upper -3dB LOW PASS FILTER @ 65Hz Freq VOL Set to Min. Low -3dB Freq VOL Set to Min. Upper -3dB LOW PASS FILTER ROLL-OFF Freq VOL Set to Max. LOW PASS FILTER ROLL-OFF Freq VOL Set to Min. Typical 85 0.08 90 LIMIT 80 0.15 85 UNIT W % W 95 1.7 85 95 +/-10% +/-10% 80 88 mV V dB dB 5) 6) 60 130 50 85 18 18 +/-10% +/-10% +/-10% +/-10% +/-2 +/-2 Hz Hz Hz Hz dB dB 7) 8) 9) 10) LINE OUTPUT @1V INPUT HI PASS FILTER -3dB ( LINE IN @ 1KHz ) Freq VOL Set to Max. Freq VOL Set to Min. 11) LINE OUTPUT @1V INPUT HI PASS FILTER ROLL-OFF LINE IN @ 1KHz ( 0 dB O/P Ref ) Freq VOL Set to Max. Freq VOL Set to Min. 12) LINE OUTPUT LINE IN @ 1KHz 1V INPUT ( 0 dB O/P Ref ) Freq VOL Set to Max. 165 65 +/-10% +/-10% Hz Hz 12 21 +/-2 +/-2 dB dB 1.3 +/-10% V 2 POWERED SUBWOOFER SPECIFICATIONS 13) SPEAKER OUTPUT HI PASS FILTER -3dB ( SPEAKER IN @1KHz ) @ 4 Ohm Load 14) SPEAKER OUTPUT HI PASS FILTER ROLL-OFF SPEAKER IN @ 1KHz ( 0dB 1W 0/P Ref ) @ 4 Ohm Load 15) INPUT IMP

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