ENGLISH

Current-Driving of Loudspeakers: Eliminating Major Distortion and Interference Effects by the Physically Correct Operation Method

By Esa Meriläinen

Book information

Publisher
CreateSpace Independent Publishing Platform
Year
2010
ISBN
1450544002, 9781450544009
Language
english
Format
PDF
Filesize
296 MB (310053435 bytes)
Edition
1
Pages
352\358
DPI
600
Orientation
portrait
Paginated
yes
Scanned
yes
Time added
2023-10-15 16:16:08

Description

Why have the basic laws of electrodynamics been disregarded in the design of loudspeaker operations? A frank exposure of the flaws of voltage drive and a thorough, groundbreaking guide to the physically reasonable way of operating electrodynamic loudspeakers - current-drive. The author argues that the sound quality of virtually all existing speaker systems has been severely impaired by the manifoldly indefinite electromotive forces induced in the voice coil (arising from both motion and inductance), that corrupt the flow of current; and what's dramatic - the measurable evidence is plain and overwhelming. These inherent EMFs in themselves can never be suppressed by any kind of amplifier, but their detrimental effect on current and hence on sonic performance can be eliminated by adequate source impedance. Thus, the secret of valve amplifiers also becomes apparent. Written for all from the academic community to lay hobbyists. Besides new concepts for amplifier and speaker design and demonstrative projects, the book also features novel ideas for modelling, filter design, measurements, and protection; and an enlightening tutorial on analogue linear systems. For more details and sample pages, visit www.current-drive.info

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