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B1-18
User manual
Nexo B1-18 User Manual
Alpha series
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Contents
Table of Contents
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Table of Contents
Table of Contents
Introduction
Alpha Series Description
Loudspeakers
Nexo Tdcontrollers
The X-Bow Flying System
General Set-Up Instructions
Speaker Wiring
Flying the System
Tdcontrollers Settings
Initial Set-Up Precautions
Alpha Arrays - some Basic Rules
Alpha S2 Placement
Spl Versus Frequency
Spl Versus Distance
Directivity - Coverage
Amplifiers
Power
Current Rating
Amplifier Gains
Gain Value
Advanced Protections
Passive Crossover Fuses
Technical Specifications
Alpha S2
Alpha B1-15 / B1-18
Alpha M3 / M8
Alpha Em / Ef
Directivity Tables
Alpha S2
Curves
Alpha B1-18
Alpha B1-15
Alpha M3
Alpha M8
Alpha Em
Alpha Ef
Dimensions
Transport
Connection Diagrams
Quick Reference Guide
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Loudspeakers
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Alpha S2
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Alpha M3 / M8
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Alpha Em / Ef
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Alpha S2
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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
Alpha Series Introduction
Alpha Series Product Description
Details the overall Alpha Series product range, including loudspeakers and associated systems.
Alpha Series Loudspeakers
Describes the various loudspeaker models within the Alpha Series, their features, and cabinet formats.
Nexo TDControllers for Alpha Series
Explains the function and types of TDControllers used with the Alpha Series for system control and optimization.
X-BOW Flying System
Details the components and application of the X-BOW flying system for Alpha Series loudspeakers.
General Setup Instructions for Alpha Series
Alpha Series Speaker Wiring
Provides detailed instructions and diagrams for correctly wiring Alpha Series loudspeakers and connectors.
Flying Alpha Series Loudspeakers Safely
Outlines safety procedures and considerations for flying Alpha Series speaker systems using the X-BOW system.
TDcontroller Settings for Alpha Series
Details TDcontroller configurations, including specific setups for Alpha Series and Alpha E Series systems.
Initial System Setup Precautions
Essential precautions to follow when initially powering up and setting up the Alpha Series system.
Basic Rules for Alpha Array Configurations
Alpha S2 Placement Guidelines
Offers guidance on optimal placement of the Alpha S2 subwoofer for various configurations.
SPL vs. Frequency in Alpha Arrays
Explains how array architecture affects Sound Pressure Level (SPL) in relation to frequency.
SPL vs. Distance in Open Air
Details factors influencing sound pressure level (SPL) at different distances in open-air conditions.
Alpha Series Directivity and Coverage
Discusses directivity control, interference, and coverage patterns for Alpha Series cabinets and arrays.
Alpha Series Amplifier Considerations
Alpha Series Amplifier Power and Current Rating
Recommends high-power amplifiers and emphasizes correct current delivery for Alpha Series speakers.
Alpha Series Amplifier Gain Settings
Explains the importance of knowing amplifier gain for system alignment and how to measure it.
Recommended Amplifier Gain Value
Suggests a recommended gain setting (+26dB) for amplifiers to optimize performance and signal-to-noise ratio.
Amplifier Advanced Protection Features
Advises disabling amplifier protection features that may interfere with the TDcontroller's protection algorithms.
Passive Crossover Fuse Protection
Alpha Series Technical Specifications
Alpha S2 Specifications
Lists detailed technical specifications for the Alpha S2 loudspeaker model.
Alpha B1-15 and B1-18 Specifications
Lists detailed technical specifications for the Alpha B1-15 and B1-18 loudspeaker models.
Alpha M3 and M8 Specifications
Provides technical specifications for the Alpha M3 and M8 loudspeaker models.
Alpha EM and EF Specifications
Provides technical specifications for the Alpha EM and Alpha EF loudspeaker models.
Alpha Series Directivity Data Tables
Presents comprehensive directivity data tables for various Alpha Series models across different frequencies and angles.
Alpha Series Performance Curves
Alpha S2 Performance Curves
Shows frequency response and impedance curves for the Alpha S2 loudspeaker.
Alpha B1-18 Performance Curves
Displays frequency response and impedance curves for the Alpha B1-18 loudspeaker.
Alpha B1-15 Performance Curves
Shows frequency response and impedance curves for the Alpha B1-15 loudspeaker.
Alpha M3 Performance Curves
Presents frequency response, impedance, directivity index, and coverage angle curves for the Alpha M3.
Alpha M8 Performance Curves
Illustrates frequency response, impedance, directivity index, and coverage angle for the Alpha M8.
Alpha EM Performance Curves
Provides frequency response, impedance, directivity index, and coverage angle curves for the Alpha EM.
Alpha EF Performance Curves
Shows frequency response and impedance curves for the Alpha EF loudspeaker.
Alpha Series Cabinet Dimensions
Alpha Series Loudspeaker Transport
Alpha Series Connection Diagrams
Alpha TDcontroller Operations and Setup
Alpha TDcontroller Quick Reference Guide
A quick reference guide for the Alpha TDcontroller, covering its functions and front panel.
Alpha TDcontroller Read Before Use
Important introductory information and warnings for the Alpha TDcontroller, including its main functions.
Alpha TDcontroller Front Panel Layout
Describes the layout and functions of the front panel controls and indicators on the Alpha TDcontroller.
Alpha TDcontroller LF Equalization
Explains the Low Frequency (LF) equalization function for tuning the bass section of the Alpha B1 cabinets.
Alpha TDcontroller LED Indicators
Explains the meaning of the various LEDs on the Alpha TDcontroller, such as Sense, Peak, and Power indicators.
Alpha TDcontroller Peak Limiter Adjustments
Guides on adjusting the independent peak limiter trims on the TDcontroller to prevent amplifier clipping.
Alpha TDcontroller Channel Gain Control
Explains how to adjust the gain for each channel on the Alpha TDcontroller to match amplifier sensitivities.
Alpha TDcontroller Rear Panel Connections
Details rear panel audio inputs, outputs, sense inputs, and other connections on the Alpha TDcontroller.
Alpha TDcontroller Internal Protection Trimmers
Describes how to access and adjust internal protection thresholds within the Alpha TDcontroller.
Alpha TDcontroller Setup and Wiring Advice
Provides recommendations for wiring sense lines and general setup advice for the Alpha TDcontroller.
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