Filter
Top Products
TABLE OF CONTENTS
PERFORMANCE SPECIFICATIONS ........................................................................................................................i
Frequency Response Graph
Energy Time Curve Graph
Horizontal Polar Response Graph
Dimensions
SAFETY PRECAUTIONS ..........................................................................................................................................ii
INTRODUCTION ..................................................................................................................................................1
TECHNICAL DESIGN FEATURES ............................................................................................................................1
FRONT & REAR PANEL VIEWS ..............................................................................................................................4
INSTALLATION
Location ............................................................................................................................................................5
Determining Acoustic Center ............................................................................................................................6
Input Switch ......................................................................................................................................................6
XLR Wiring Configurations ............................................................................................................................... 6
SCHEMATIC DIAGRAMS
Schematic Diagram............................................................................................................................................7
PC Board Layout ..............................................................................................................................................12
OPERATION
Input Sensitivity................................................................................................................................................13
Bass Roll Off ....................................................................................................................................................13
Bass Shelving ..................................................................................................................................................14
Treble Shelving ................................................................................................................................................14
AC Line............................................................................................................................................................14
Power Switch ..................................................................................................................................................14
Status LED........................................................................................................................................................15
Rubber Pad ......................................................................................................................................................15
Break-In and Warm-Up....................................................................................................................................15
Cleaning and Maintenance ..............................................................................................................................15
SERVICE REFERENCE
Parts List ..........................................................................................................................................................16
Functional Block Diagram ..............................................................................................................................19
Circuit Operation ............................................................................................................................................20
Calibration ......................................................................................................................................................20
Input Circuit ....................................................................................................................................................21
Tweeter Crossover ............................................................................................................................................21
Woofer Crossover ............................................................................................................................................22
Thermal Protection ..........................................................................................................................................22
Clipping Indicator ............................................................................................................................................23
On Indicator ....................................................................................................................................................23
Tweeter Replacement ......................................................................................................................................24
Woofer Replacement........................................................................................................................................24
Amplifier Replacement ....................................................................................................................................25
Transformer Replacement ................................................................................................................................25
WARRANTY ..........................................................................................................................................................26