JBL MEDIA SUB Technical Manual

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Powered Subwoofer Media Sub
TABLE OF CONTENTS
FEATURES.....................................................................1
SPECIFICATIONS..........................................................1
MEDIA SUB EXPLODED VIEW ...................................2
DISASSEMBLY PROCEDURES ...................................3
BLOCK DIAGRAM .........................................................4
PCB1&2(viewing trace layer through the board) .....5
PCB1&2(viewing silk-screen through the board) .....6
PCB 3 (viewing trace layer through the board) ............7
PCB 3 (viewing silk-screen through the board) ............8
ELECTRICAL PARTS LIST ...........................................9
PACKAGING EXPLODED VIEW.................................10
INTEGRATED CIRCUIT DIAGRAMS ..........................11
SCHEMATIC DIAGRAM ..............................................12
FEATURES
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Powered subwoofer system.
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25 watt amplifier.
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Auto turn-on / turn-off circuitry.
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Subwoofer is magnetically shielded for flicker-free use
near computer monitors.
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Built-in electronic equalization for proper frequency
balance with satellite speakers.
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Line level stereo output for use with satellite speakers
that don’t have a subwoofer output.
SPECIFICATIONS
Speaker System...........Sixth band-pass enclosure
Speaker Size............5.25” woofer
Total Amplifier Output Power ......25Wat10%THD
Input Sensitivity ...........250mV input for full power
Frequency Response .........40Hz - 150Hz
Input Impedance ..........10kohms
Signal Output jack ..........Stereominiplug jack (1/8")
Signal Input Jacks ..........Stereominiplug jack (1/8")
External Dimensions
Height ..............10.25"
Width ..............7.35"
Depth..............12"
Weight ..............12.8 lbs.
External Dimensions (metric)
Height ..............260mm
Width ..............186mm
Depth..............305mm
Weight ..............5.8kgs

JBL MEDIA SUB Specifications

General

Brand	JBL
Model	MEDIA SUB
Category	Subwoofer
Language	English