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Infinity BU-2, Technical Manual

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Infinity BU-2 Technical Manual Download Page 6

5

Powered Subwoofer

BU2

BU2 CABINET EXPLODED VIEW

Summary of Contents for BU-2

Page 1: ...BU2 Powered Subwoofer A Harman International Company Part No 1112 BU2 11 98 Technical Manual Technical Manual INFINITY SYSTEMS INC 250 Crossways Park Drive Woodbury New York 11797...

Page 2: ...ional refinements may be made to existing products without notice but will always meet or exceed original specifications unless otherwise stated TABLE OF CONTENTS BU2 SPECIFICATIONS 1 TABLE OF CONTENT...

Page 3: ...OT A TRUE AC POWER SWITCH AS IT DOES NOT DISCONNECT THE AMPLIFIER FROM THE AC LINE 2 Standby LED The LED will light green when the unit is plugged in and is receiving signal When in standby mode when...

Page 4: ...ated amplifier fed by the signal generator 7 Turn on generator and adjust so that speaker level output is 2 0V 50 Hz Turn VOLUME control full clockwise 8 Green LED should light immediate bass response...

Page 5: ...4 Powered Subwoofer BU2 BU2 BLOCK DIAGRAM for 120v 230v versions...

Page 6: ...5 Powered Subwoofer BU2 BU2 CABINET EXPLODED VIEW...

Page 7: ...6 Powered Subwoofer BU2 AMPLIFIER EXPLODED VIEW BU2 Amplifier Exploded View E E D D C C B B A A 7 7 6 6 5 5 4 4 3 3 2 2 1 1 2 17 1 3 4 5 6 13 15 22 13 18 19 20 14 24 23 16 16 7 8 10 11 12 21 11 11 9 2...

Page 8: ...racket Pwr Support Bass550 2 14 SP1082 SPONGE W ADHESIVE L 1 4 W 1 4 2 T 3 16 TO 92 15 SP1073 Sil Pad TO 3P 1 0 x 0 750 POWER 3 XTORS TO 218 1X TO 220 2X 16 SC1194 Screw 6 32x3 8 Tapt Thr Hex Washr 2...

Page 9: ...5mm H 16 5mm T R C128 CP1915 CAP POLY FILM 8200pF 5 50V 1 LS 5mm H 16 5mm T R C129 CP1918 CAP POLY FILM 0 27uF 5 50V 1 LS 5mm H 16 5mm T R C130 131 CP1914 CAP POLY FILM 0 039uF 5 50V 2 LS 5mm H 16 5m...

Page 10: ...109 110 RS1790 SMD RES 2 7Kohm 5 1 8W 1206 2 R112 115 RS1713 SMD RES 56Kohm 5 1 8W 1206 2 R114 RS1793 SMD RES 470Kohm 5 1 8W 1206 1 R117 RS1968 SMD RES 2 2Mohm 5 1 8W 1206 1 R118 RS1710 SMD RES 3 3Koh...

Page 11: ...1 0 Powered Subwoofer BU2 BU2 PACKAGING EXPLODED VIEW...

Page 12: ...1 1 Powered Subwoofer BU2 INTEGRATED CIRCUIT DIAGRAMS...

Page 13: ...1 2 Powered Subwoofer BU2 PRINTED CIRCUIT BOARDS TOP VIEW component side...

Page 14: ...1 3 Powered Subwoofer BU2 PRINTED CIRCUIT BOARDS BOTTOM VIEW solder side...

Page 15: ...1 4 Powered Subwoofer BU2 PREAMP CROSSOVER SCHEMATIC 120V VERSION...

Page 16: ...pF C9 2N5401 Q9 R16 47K 2 2K R18 100pF C10 Q8 2N5551 C7 0 1uF R9 10K R10 10K Q3 TIP31E TIP32E Q4 R5 100 C6 0 1uF 15K R22 C5 0 1uF 100V C3 0 1uF C4 0 1uF C2 6800uF 63V C1 6800uF 63V 1N5401 D4 1N5401 D3...

Page 17: ...1 6 Powered Subwoofer BU2 PREAMP CROSSOVER SCHEMATIC 230V VERSION...

Page 18: ...6 0 1uF C25 0 1uF 4 7K R38 C22 0 1uF 8 2K R39 R58 4 7K 330uF 16V C17 R60 100K R61 47K IN4002 D12 R52 10K R53 4 7K Q20 2N5401 R51 100 1W 10K R46 RLS4148 D9 R8 10 L1 5 8uH DTC114TK Q14 10K R59 Q13 2SA10...

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