Produktbild: High Performance Loudspeakers

High Performance Loudspeakers Optimising High Fidelity Loudspeaker Systems

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Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

24.09.2018

Verlag

Wiley

Seitenzahl

704

Maße (L/B/H)

24,4/17/3,8 cm

Gewicht

1043 g

Auflage

7th edition

Sprache

Englisch

ISBN

978-1-118-41353-1

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

24.09.2018

Verlag

Wiley

Seitenzahl

704

Maße (L/B/H)

24,4/17/3,8 cm

Gewicht

1043 g

Auflage

7th edition

Sprache

Englisch

ISBN

978-1-118-41353-1

Herstelleradresse

Produktsicherheitsverantwortliche/r
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: High Performance Loudspeakers
  • Preface to the First Edition xix

    Preface to the Fifth Edition xxi

    Preface to the Sixth Edition xxiii

    Preface to the Seventh Edition xxv

    Acknowledgements xxvii

    1 General Review 1

    1.1 Early Loudspeakers 1

    1.2 Audible Frequency Range and Wavelength 4

    1.3 The BBC Contribution 12

    1.4 Emerging Standards 13

    1.5 Influence of Improved Low¿Frequency Analysis 17

    1.6 Changes in UK Lifestyle are Affecting Domestic Audio Systems 22

    1.7 High¿End Stereo Audio 23

    1.8 Sound Docks 23

    1.9 Headphones 27

    1.10 Advances in Pro Audio 27

    2 Developments in Loudspeaker System Design 31

    2.1 Developments in Loudspeaker System Design 31

    2.2 Limits to Performance 37

    2.3 The Stereo Illusion: '3D Sound' 38

    2.4 Sensitivity and Impedance 40

    2.5 Enclosures 41

    2.6 Drive Units 44

    2.7 The Room 47

    3 Theoretical Aspects of Diaphragm Radiators 51

    3.1 Radiation From Simple Sources 51

    3.2 Electromechanics of a Hypothetical Moving¿Coil Loudspeaker 57

    3.3 Radiated Pressure 67

    3.4 Relating the TwoPort Model to Low¿Frequency Analogous Circuits 74

    3.5 Higher Modes of the Loudspeaker Diaphragm 77

    4 Transducers Diaphragms and Loudspeaker Technologies 87

    4.1 Dome Radiators 87

    4.2 Velocity of Sound In a Diaphragm 93

    4.3 Compensation of Dome Characteristics 95

    4.4 Cone Behaviour 95

    4.5 Cone Parameters 96

    4.6 Cone Shape 104

    4.7 Motor Systems 112

    4.8 Moving¿Coil Motor Linearity 115

    4.9 Effect of Magnetic Field Strength Variation on Loudspeaker Pressure Response 119

    4.10 Magnet Systems 120

    4.11 Film Transducers, Magnetic and Electrostatic 126

    4.12 Bending Radiators, DML, Distributed Mode and BMR: The Balanced Mode Radiator 144

    5 Low¿Frequency System Analysis: Room Environments and 2¿ Half Space Radiation 157

    5.1 General Considerations 157

    5.2 Room Interaction, The Broader Picture 165

    5.3 Optimum System Design for Low Subjective Colouration 167

    5.4 LF System Analysis 181

    5.5 Viewpoint-What Is an Optimal Low¿Frequency Q Factor for a System? 195

    5.6 Closed¿Box System 198

    5.7 Reflex or Vented Enclosures 207

    5.8 Band¿Pass Designs and LF Equalization 224

    5.9 Longevity, Reliability, Tolerances, Climate 237

    5.10 Transmission¿Line Enclosures 243

    5.11 Sub¿Woofers and Extended Low¿Frequency Design 249

    6 Horn and Other Loading Variations 261

    6.1 Introduction 261

    6.2 Line Source Loudspeakers 269

    6.3 The Moving¿Coil Spaced Dipole 275

    6.4 Bi¿Polar Speakers 276

    7 Moving¿Coil Direct¿Radiator Drivers 279

    7.1 Moving¿Coil Motor System 279

    7.2 Low Frequencies, Bass Units 283

    7.3 LF/MF Units 306

    7.4 MF, Mid¿Frequency Units 309

    7.5 High¿Frequency Units 317

    7.6 Full¿Range Units 326

    7.7 Dynamics and Engineering 333

    8 Systems and Crossovers 339

    8.1 Passive Loudspeaker System Design 342

    8.2 'Two¿and¿äHalf¿Way' System Design 348

    8.3 The Crossover Network and Target Function 349

    8.4 Crossover Component Considerations 380

    8.5 General Design Considerations, Voicing and Balancing 392

    8.6 The Amplifier-Loudspeaker Interface 407

    8.7 Active Loudspeakers 416

    8.8 Current Drive 436

    8.9 Digital Loudspeakers 440

    8.10 Digital Active System Details 450

    8.11 DSP Crossover Filter Order 450

    9 The Enclosure 457

    9.1 Enclosure Materials 458

    9.2 Enclosure Resonances 463

    9.3 Magnitude of Undamped Panel Output 465

    9.4 Audibility of Resonances 469

    9.5 Resonance Control, Damping Materials and Bracing 470

    9.6 Internal Enclosure Modes 476

    9.7 Driver¿Cone, Transmission of Internal Resonances 480

    9.8 Cabinet Construction 483

    9.9 Diffraction and Cabinet Shape 493

    9.10 Loudspeaker Design Software 499

    9.11 Importance of Effective Driver Mounting Methods 501

    9.12 Drive¿Unit Mounting: Clamped or Decoupled? 505

    9.13 Open Baffles: Dipoles 506

    9.14 Loudspeaker Supports and Placement 507

    10 Loudspeaker Assessment 513

    10.1 Loudspeaker Specifications Standards and Distortions 515

    10.2 FM: Frequency¿Modulation Distortion 532

    10.3 Measurement and Evaluation: Introduction 545

    10.4 Objective Measurements: Amplitude/Frequency Responses (4¿, Full Anechoic) 554

    10.5 Random Noise Excitation 558

    10.6 Subjective Evaluation 600

    Index 635