PAGE 2/37INTRODUCTIONALPHA SERIES USER MANUAL V1.0DATE: 14/01/00 18:27INTRODUCTION 3ALPHA SERIES DESCRIPTION 3LOUDSPEAKERS 3NEXO TDCONTROLLERS 4THE X-BOW FLYING SYSTEM 4GENERAL SET-UP INSTRUCTIONS 5SPEAKER WIRING 5FLYING THE SYSTEM 6TDCONTROLLERS SETTINGS 9INITIAL SET-UP PRECAUTIONS 10ALPHA ARRAYS - SOME BASIC RULES 11ALPHA S2 PLACEMENT 11SPL VERSUS FREQUENCY 11SPL VERSUS DISTANCE 11DIRECTIVITY - COVERAGE 14AMPLIFIERS 16POWER 16CURRENT RATING 16AMPLIFIER GAINS 16GAIN VALUE 17ADVANCED PROTECTIONS 17PASSIVE CROSSOVER FUSES 18TECHNICAL SPECIFICATIONS 19ALPHA S2 19ALPHA B1-15 / B1-18 20ALPHA M3 / M8 21ALPHA EM / EF 22DIRECTIVITY TABLES 23CURVES 24ALPHA S2 24ALPHA B1-18 24ALPHA B1-15 24ALPHA M3 25ALPHA M8 28ALPHA EM 31ALPHA EF 31DIMENSIONS 34TRANSPORT 35CONNECTION DIAGRAMS 36