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Powered Subwoofer
BU2
BU2 SPECIFICATIONS
Driver
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12" Woofer
Nominal Impedance .
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4
Ω
Enclosure Design.
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Tuned Port
Amplifier Power .
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10 0
watts RMS
Frequency Response
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30 Hz - 150 Hz (± 3dB)
Crossover Frequency
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50 to 20 0
Hz Continuously Variable
Inputs
Line Level .
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RCA jacks
High Level .
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(Speaker) Input terminals
Outputs
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Full range Speaker
Sensitivity
Low Level .
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70 mV
High level .
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1.7V
Input Impedance
Low Level .
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12K
Ω
High level .
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4.7K
Ω
Auto-Off Delay
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8 minutes
Dimensions
Inches .
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14½ x 14½ x 14½"
Metric
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36.8 x 36.8 x 36.8cm
plus 1¼" (32mm) for feet
Shipping Weight .
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43 lbs/19.5 Kg.
Occasional 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 CONTENTS .................................................1
BU2 CONTROLS AND THEIR FUNCTION ..................2
BU2 TEST PROCEDURE..............................................3
BLOCK DIAGRAM .........................................................4
BU2 CABINET EXPLODED VIEW ................................5
AMPLIFIER EXPLODED VIEW .....................................6
BU2 MECHANICAL PARTS LIST .................................7
BU2 ELECTRICAL PARTS LISTS ................................8
BU2 PACKAGING EXPLODED VIEW ........................10
INTEGRATED CIRCUIT DIAGRAMS ..........................11
PCB (TOP VIEW, component side).............................12
PCB (BOTTOM VIEW, solder side).............................13
PREAMP/CROSSOVER SCHEMATIC 120V ..............14
AMPLIFIER SCHEMATIC 120V ..................................15
PREAMP/CROSSOVER SCHEMATIC 230V ..............16
AMPLIFIER SCHEMATIC 230V ..................................17
THIS MANUAL IS FOR THE BU2 REVISION WITHOUT AN EXTERNAL POWER SWITCH
(120v Only - 230v version has a power switch)
Содержание BU-2
Страница 5: ...4 Powered Subwoofer BU2 BU2 BLOCK DIAGRAM for 120v 230v versions...
Страница 6: ...5 Powered Subwoofer BU2 BU2 CABINET EXPLODED VIEW...
Страница 11: ...1 0 Powered Subwoofer BU2 BU2 PACKAGING EXPLODED VIEW...
Страница 12: ...1 1 Powered Subwoofer BU2 INTEGRATED CIRCUIT DIAGRAMS...
Страница 13: ...1 2 Powered Subwoofer BU2 PRINTED CIRCUIT BOARDS TOP VIEW component side...
Страница 14: ...1 3 Powered Subwoofer BU2 PRINTED CIRCUIT BOARDS BOTTOM VIEW solder side...
Страница 15: ...1 4 Powered Subwoofer BU2 PREAMP CROSSOVER SCHEMATIC 120V VERSION...
Страница 17: ...1 6 Powered Subwoofer BU2 PREAMP CROSSOVER SCHEMATIC 230V VERSION...
