AHB2 Instruction Manual Rev G Page 2
Contents
Introduction 3
Product Overview 3
True HRA Performance 3
Virtually Noise Free 3
Virtually Distortion Free 3
Patent Information 3
Licensed THX Patents 3
Important Safety Instructions 4
Safety Symbols 4
Safety Precautions 5
Front Panel 7
Front Panel Layout 7
Rear Panel 8
Rear Panel Layout 8
Quick Start Guide 9
Overview 9
1. Set the MODE Switch 9
2. Set the SENSITIVITY Switch 9
3. Connect the Audio Inputs 10
4. Connect the Speaker Outputs 10
5. Connect the AC Power Cord 11
6. Turn on the Power 11
7. Check the Status Indicators 11
Bidirectional 12 Volt Trigger 12
Linking Multiple Audio Components 12
Trigger Wiring 12
Trigger Cables 12
Automatic Power-Down Feature 12
40 Minute Timer 12
Timer Deactivates the 12V TRIGGER 12
No Warm-Up Required 13
AUTO-ON Feature 13
Rack Mounting 14
Rack Mount Option 14
Rack Mounting Instructions 14
Fault Protection Circuitry 15
Fault-Detection Circuits 15
PROTECT Mode (Both MUTE Lights On) 15
PROTECT Mode - Fault Codes 16
Clipping Fault 17
Over-Current Fault 18
SOA Fault 19
Over-Temperature Fault 20
Power Supply Fault 21
Specifications 22
Rated Output Power 22
Output Current 22
Output Voltage 22
Frequency Response 22
Signal to Noise Ratio 22
Distortion 22
Crosstalk 23
Input Sensitivity 23
Input Impedance 23
Input CMRR 23
Trigger I/O 23
Damping Factor 23
Environmental 23
Mechanical Drawings 24
Dimensions 24
Rack-Mount Dimensions 25
Performance Plots 26
Regulatory Compliance 31
FCC and RoHS Compliance Statements 31
FCC Notice (U.S. Only) 31
RoHS Compliant Information 31
CE Certificate of Conformity 32
Safety 33
Warranty Information 34
Benchmark 1-Year Warranty 34
Benchmark Extended Warranty Options 35
Notes on Warranty Repairs 35
Consignes de Sécurité Importantes
(French) 36
Symboles de Sécurité 36
Mesures de Sécurité 37
Appendix 39
A Radical Approach to Power Amplification
39
