Nexo Alpha EF User Manual

Nexo Alpha EF User Manual

Alpha series

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ALPHA SERIES
Alpha M3 & M8
Alpha Em & EF
B1-18 & B1-15
S2 Sub-bass
User Manual

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Summarization of Contents

INTRODUCTION
Alpha Series Description
Overview of the NEXO Alpha Series system components.
Loudspeakers
Details the different types of loudspeakers within the Alpha range.
Nexo TDcontrollers
Explains TDcontroller roles and types for the Alpha Series.
The X-BOW Flying System
Describes the X-BOW flying system for Alpha Series loudspeakers.
General Set-up Instructions
Speaker Wiring
Covers connectors and wiring procedures for Alpha Series speakers.
Cables
Discusses cable selection and its impact on system performance.
Flying the System
Outlines general procedures and safety for flying Alpha Series systems.
Flown Systems Safety
Details critical safety guidelines for flying loudspeaker systems.
Ground Stack Safety
Emphasizes safety precautions for ground-stacked PA systems.
TDcontrollers Settings
Explains TDcontroller configuration and setup for the Alpha Series.
Initial Set-up Precautions
Advises on crucial steps for initial system setup and operation.
Alpha Arrays - Some Basic Rules
Alpha S2 Placement
Discusses optimal positioning and placement for Alpha S2.
SPL Versus Frequency
Explains how array architecture affects SPL across frequencies.
SPL Versus Distance
Details factors influencing sound pressure level based on distance.
Single Cabinet SPL
Describes SPL characteristics of a single cabinet versus distance.
Straight Vertical Array (long throw)
Covers sound wave behavior in vertical arrays for long-throw applications.
Hygrometry and Temperature - Air Absorption
Explains the effect of air conditions on sound attenuation.
Directivity - Coverage
Discusses cabinet directivity and coverage patterns in arrays.
Directivity of Multiple Sources
Explains how multiple sources interact to affect coverage.
Small Arrays (less than 4 Alphas M3/M8)
Guides on angling cabinets for optimal performance in small arrays.
Large Arrays (4 Alphas M3/M8 and above)
Addresses considerations for building and using large loudspeaker arrays.
AMPLIFIERS
Power
Recommends high-power amplifiers for optimal system performance and protection.
Current Rating
Highlights amplifier behavior under low load conditions.
Amplifier Gains
Explains the importance of knowing amplifier gain for system alignment.
Gain Value
Discusses recommended gain settings for amplifiers and their impact.
Advanced Protections
Advises disabling amplifier protections when using TDcontrollers.
TECHNICAL SPECIFICATIONS
Alpha S2
Presents detailed technical specifications for the Alpha S2 loudspeaker.
Alpha B1-15/B1-18
Provides technical specifications for Alpha B1-15 and B1-18 bass cabinets.
Alpha M3/M8
Details technical specifications for Alpha M3 and M8 mid-high cabinets.
Alpha EM/EF
Lists technical specifications for Alpha EM and EF mid-high cabinets.
Directivity Tables
Presents tables detailing directivity characteristics at various angles and frequencies.
CURVES
Alpha S2
Displays frequency response and impedance curves for Alpha S2.
Alpha B1-18
Shows frequency response and impedance curves for Alpha B1-18.
Alpha B1-15
Presents frequency response and impedance curves for Alpha B1-15.
Alpha M3
Includes frequency response, impedance, and directivity curves for Alpha M3.
Alpha M8
Displays frequency response, impedance, and directivity curves for Alpha M8.
Alpha EM
Shows frequency response, impedance, and directivity curves for Alpha EM.
Alpha EF
Presents frequency response and impedance curves for Alpha EF.
Alpha TDcontroller
Quick Reference Guide
Brief overview of the Alpha TDcontroller, its functions, and front panel.
Front Panel Controls
Details the functions and indicators on the Alpha TDcontroller's front panel.
TDcontroller Features
Describes specific functions: LF Eq, LEDs, Peak Limiter, Gain controls.
TDcontroller Rear Panel
Explains rear panel connections, level switch, sense inputs, fuse holder.
TDcontroller Protection Settings
Covers internal protection trimmers and setting-up advice for the TDcontroller.

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