Hafler TRM12S User Manuals

Table of Contents

• INTRODUCTION

  1
• TECHNICAL DESIGN FEATURES

  1
• FRONT & REAR PANEL VIEWS

  4
• SCHEMATIC DIAGRAMS

  5
• Location

  9
• Studio Installations

  9
• Home Theater Installations

  9
• Input Switch

  10
• XLR Wiring Configurations

  10
• 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
• 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