Jbl arcsub 8 mk3 service manual
This is the 18 pages manual for jbl arcsub 8 mk3 service manual.
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Extracted text from jbl arcsub 8 mk3 service manual (Ocr-read)
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TABLE OF CONTENTS Powered Subwoofer ARC SUB 8 1 SPECIFICATIONS ................................................................1 WARRANTY ..........................................................................2 SAFETY SYMBOLS ............................................................2 CONTROLS AND THEIR FUNCTION................................3 TEST PROCEDURES ..........................................................4 CAUTIONS AND WARNINGS ............................................5 ARC SUB 8 AMPLIFIER BLOCK DIAGRAM ....................7 CABINET EXPLODED VIEW ..............................................8 Service Bulletin JBL9903 Rev1 - February 2001 ..............9 Service Bulletin JBL2000-01 Rev2 - February 2001........10 ARC SUB 8 ELECTRICAL PARTS LISTS ......................11 ARC SUB 8 MECHANICAL PARTS LISTS......................12 PACKAGING EXPLODED VIEW ......................................13 INTEGRATED CIRCUIT DIAGRAM ................................14 PRINTED CIRCUIT BOARD (TOP VIEW) ......................15 SCHEMATIC DIAGRAM 1 ................................................16 SCHEMATIC DIAGRAM 2 ................................................17 Amplifier Power (RMS) ........................80 watts @ 1% THD Drivers ....................................................8 with high-polymer-laminated cone Inputs ......................................................Line Level and High Level Outputs* ................................................High level with High-Pass filter at 180Hz Crossover Frequency............................50-150Hz (continuously variable) Frequency Response............................45Hz to 150Hz (determined by crossover setting) Input Impedance....................................20k ohm Input Sensitivity......................................220mV External Dimensions (Inches) Height ....................................................9 ¼ Width ......................................................14 Depth ......................................................12 ½ Weight ....................................................18 lbs External Dimensions (mm) Height ....................................................235 mm Width ......................................................356 mm Depth ......................................................318 mm Weight ....................................................8.1 kg GENERAL SPECIFICATIONS * High-Level (speaker) outputs are active only if high-level input are used. Occasional refinements may be made to existing products without notice, but will always meet or exceed original specifications unless otherwise stated. This Product is Part of the ARC CINEMA II SYSTEM
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Powered Subwoofer ARC SUB 8 2 WARRANTY IMPORTANT SERVICE NOTES: When testing the ARC Series amplifier, a load must always be connected to the output terminals , whether the woofer, or a 4 to 8 ohm resis- tive load. All AC powered test instruments (meters, oscilloscopes, etc.) must have a floating ground, i.e. be connected to an isolation transformer.