Introduction
How It Began
Who Invented the Phonograph-Electrostatic Transducers-Loudspeakers-Electrostatic Speakers?
Electromagnetic Speakers
Acoustical Properties of Air-Electrostatic Speakers-Performance Factors-Other Factors That Affect
Cone Movement
Speaker Measurements
Mechanical and Electrical Parameters-Acoustical Parameters
Electrostatic Loudspeakers
Electric Field-Elementary Electrostatic Speakers-Single Ended Electrostatic Speakers-Force Between
the Plate and the Diaphragm-Symmetrical Electrostatic Speakers-Capacity of a Symmetrical Speaker
Building a Full-Range Electrostatic Speaker
Material Selection-Plate Material-Perforating-Plate Preparation-Conductive Coating-Insulating
Coating-Spacers
Frames and Ribs
Tools-Frame-Ribs
Preliminary Assembly
Rib Assembly-Frame Assembly-Rib and Frame Assembly-Frame and Plate Assembly-Spacer Assembly
Preliminary Speaker Testing
Caution-Speaker Testing-Arcing
Stretching Frame
Base Construction-Front and Rear Diaphragm damps-Part No. (14)-Part No. (11) and (27)-Part No.
(21) and (24)-Left and Right Diaphragm damps-Part No. (10) and (20)-Part No. (18)-Part No. (23)
and (26)-Other Parts-Part No. (12)
Final Speaker Assembly
"T" Nut Installation-Foam Strips-Stretching the Diaphragm-Coating the Diaphragm-Diaphragm
Resistance-Final Assembly-Removing the Completed Speaker Panel-Diaphragm Resistance Check-
Testing the Completed Speaker Panel-Equalization
Speaker Mounting Frames
Utility Frame-Decorative Frame-Outer Frame
Electronics for Electrostatic Speakers
Transformers-Transformer Frequency Response-Transformer Measurements-Building a High Voltage
Power Supply
Speaker Evaluation
Subjective-Scientific
Commercial Electrostatic Speakers
Quad-ESL 63-Acoustat
Noteworthy Articles
Telestar-Shaped Electrostatic Speaker, by R.J. Matthys-Wide-Range Electrostatic Loudspeaker, by P.J.
Walker
Appendix
Bibliography
Index
Errata