Contents
Music al Master piec es
Serial Numbers
Handcrafted by
Page
Table of Contents
7 Warranty
10 Features
1 Introduction
Introduction
Contents
2 Unpacking Instructions
2. Lift case
2.1 Opening the Crate
1. Remove screws
3. Slide speaker
2.2 Installing the Grilles
Orientation of the Felt Anti-DiffractionMask
2.3 Replacing Grille Pins
4.Carefully pull the grille cloth away from the frame mounting hole. The mounting hole must be clear of all obstacles during pin installation
Do NOT over-tightenthe screws
3 Wiring Instructions
Connecting the Speaker to the Amplifier
Introduction
From Amplifier
INPUTS
4 Break-inPeriod
Break-in
Speaker Placement and Symmetry
5 Maximizing Performance
Grille Assemblies
Toe-In
Apex Couplers
First Reflection Points
Corner Treatment
Cabinet Hardwood Finish
Grille Assembly
6 Care of Your Loudspeakers
Drivers
7 Warranty
In the Event of a Problem
Warranty Statement
Page
8 Room AcousticsandSpeaker Position
Introduction
An Optical Analogy
Basic Room Acoustics
8.1 Standing Waves
8.2 Flutter Echo
8.3 Early Reflections
Avoiding Early Reflections
Since the floor is within 5 feet of the speaker, it is best to have a carpeted floor to absorb floor reflections. A thick, dense carpet and pad will absorb lower frequencies more effectively than a thin one. Due to their complex structure, carpets and pads of natural materials, such as wool and jute, will exhibit a more uniform absorption over the frequency spectrum than synthetic materials will
8.4 Bass reinforcement
As frequency increases and wavelength becomes more similar to the distance to the boundary, the phase difference between original and reflected waves increases, and the air coupling effect is diminished. In particular, when the wavelength equals about four times the distance to the boundary, the reflected wave is antiphase to the original wave, resulting in a cancellation dip in the output. At frequencies above this level, the effect becomes less significant and creates similar but smaller variations in output. Figures 8.3 and 8.4 illustrate these concepts
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8.5 Summary of Recommendations
Flutter Echo and Standing Waves
Speaker Placement
Early Reflections
8.6 A Listening Room Example
9 Accuracy of Bass Reproduction
Introduction
9.1 Sensitivity to Time-RelatedInformation
Fast Bass
9.2 Rationale
Anechoic vs. In-RoomFrequency Response
9.3 Measurements of Audio Equipment
A Correlation with Amplifier Measurements
Loudspeaker Measurements
Designing for Accurate Bass Reproduction
Frequency Response Effects
Listening for Size Distortions
Transient Response Effects
9.4 Conclusion
10Features
Wiring Methods
11 Specifications
Recommended Amplifier Power
Dimensions
