Owner's Manual

AtlasSound.com – 2 –
Owner’s Manual
AA400PHD
400W Mixer Amplifier
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: [phone] • Fax: [phone]
Table of Contents
Important Safety Instructions .................................................................................................................. 3
Introduction ............................................................................................................................................ 5
Key Features .......................................................................................................................................... 5
Applications ............................................................................................................................................ 5
Front Panel Description ........................................................................................................................... 6
Rear Panel Description ............................................................................................................................ 7
PHD Diagnostic System Test ................................................................................................................ 12
Common Amplifier Failure Conditions .................................................................................................. 12
Trouble Shooting the Fault LED ............................................................................................................ 13
How to Calculate Load Impedance ....................................................................................................... 13
Remote Level Control ........................................................................................................................... 15
Remote Input Select (RIS) ..................................................................................................................... 16
Wiring the AA400PHD .......................................................................................................................... 17
Level Control Security Cover Option .................................................................................................... 17
Block Diagram ....................................................................................................................................... 18
Specifications ........................................................................................................................................ 19
Warranty ................................................................................................................................................ 24