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A Universal Continuous-Time Active Filter

Author(s): Ramaswamy Ramkumar

For loudspeaker design and prototyping you'd want a simple, flexible system to play' with the crossover. You would want a simple way to vary cross-over...


Simple Loudspeaker Correction Filters

Author(s): Gevel Marcel van de

Active filter stages having two (usually complex) poles and two (usually complex) zeroes can be very useful in applications such in active loudspeakers for correcting...


The Axis Equalizer

Author(s): Macaulay Jeff

One of the problems in traditional speakers concerns the off axis response of the tweeter. The off axis response of a speaker is determined, essentially, by its...