T
A B L E
O F
C
O N T E N T S
PERFORMANCE SPECIFICATIONS
......................................................................................................................... vi
Frequency Response Graphs
SAFETY PRECAUTIONS
...........................................................................................................................................v
INTRODUCTION
................................................................................................................................................... 1
TECHNICAL DESIGN FEATURES
............................................................................................................................ 1
FRONT & REAR PANEL VIEWS
............................................................................................................................... 4
SCHEMATIC DIAGRAMS
....................................................................................................................................... 5
INSTALLATION
Location ........................................................................................................................................................... 9
Studio Installations ........................................................................................................................................... 9
Home Theater Installations ............................................................................................................................... 9
Input Switch ................................................................................................................................................... 10
XLR Wiring Configurations ............................................................................................................................. 10
OPERATION
Auto Turn-On/Sleep Mode ............................................................................................................................. 11
Input Sensitivity .............................................................................................................................................. 11
Low-Pass Crossover ........................................................................................................................................ 11
Phase Control ................................................................................................................................................. 12
AC Line .......................................................................................................................................................... 13
LED Indicator ................................................................................................................................................. 13
Break-In and Warm Up .................................................................................................................................. 13
Cleaning and Maintenance ............................................................................................................................. 13
SERVICE REFERENCE
PC Board Layout ............................................................................................................................................. 14
Parts List ......................................................................................................................................................... 15
TRM10s/TRM12s Functional Block Diagrams ................................................................................................. 17
Input Circuit ................................................................................................................................................... 17
Mono Sum/Gain Circuit .................................................................................................................................. 17
Phase Control Circuit ...................................................................................................................................... 17
Buffer/Gain Trim Circuit ................................................................................................................................. 17
Filter Circuits .................................................................................................................................................. 17
Class-G Trans•
ana Amplifier .......................................................................................................................... 18
Soft Start Circuit .............................................................................................................................................. 18
Power On/Off Circuit ..................................................................................................................................... 19
Signal Sensing Turn-On Circuit ....................................................................................................................... 19
Thermal Protection ......................................................................................................................................... 19
Circuit Calibration .......................................................................................................................................... 20
Amplifier Replacement ................................................................................................................................... 21
Woofer Replacement ...................................................................................................................................... 21
WARRANTY
......................................................................................................................................................... 22
