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COPYRIGHT NOTICE
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THANKS

WHO'S BEHIND

POLLS & STATS

GUESTBOOK

LINK TO US

SITE HISTORY

WELCOME
TO THE TUTORIAL
read this first

THE SPEAKER
orthodynamic and
isodynamic speakers
structure and operation
cone and dome speakers

MULTI-WAY SYSTEMS
the ideal speaker
the frequency ranges

THE FILTERS
active and passive filters
line-level passive filters

RESISTORS, INDUCTORS
AND CAPACITORS
resistance, inductance
and capacitance
the structure of capacitors
electrolythic capacitors

LOWPASS, HIGHPASS
AND BANDPASS
the crossover rows

THE CUT FREQUENCY
choice criteria
energy distribution chart

ORDER AND SLOPE
OF FILTERS
the wave band

THE SPEAKER DISPERSION
the wavelength

THE LOAD REACTIVITY
the phase of filters

THE CASCADING FILTERS

THE CIRCUITRY PATTERNS
from first to fourth order

DRAWING THE NUMBERS
formulas

THE IMPEDANCE
OF SPEAKERS
the nominal impedance
the impedance curve

THE EQUALIZATION NETWORKS
the anti-inductive cell
the anti-resonance cell
formulas

THE ATTENUATION CELLS
the sensitivity of speakers
formulas

THE RL FILTER
formulas

THE FILTER Q
the shape of curves
formulas

SERIES AND PARALLEL CONNECTIONS
capacitors, inductors,
resistors, speakers