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Design of Active Crossovers - by Douglas Self (Hardcover)

Design of Active Crossovers -  by Douglas Self (Hardcover) - image 1 of 1

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The use of active crossovers is increasing. They are used by almost every sound reinforcement system, and by almost every recording studio monitoring set-up. There is also a big usage of active crossovers in car audio, with the emphasis on routing the bass to enormous low-frequency loudspeakers. Active crossovers are used to a small but rapidly growing extent in domestic hifi, and I argue that their widespread introduction may be the next big step in this field.

The Design of Active Crossovers has now been updated and extended for the Second Edition, taking in developments in loudspeaker technology and crossover design. Many more pre-designed filters are included so that crossover development can be faster and more certain, and the result will have a high performance. The Second Edition continues the tradition of the first in avoiding complicated algebra and complex numbers, with the mathematics reduced to the bare minimum; there is nothing more complicated to grapple with than a square root.

New features of the Second Edition include:

?   More on loudspeaker configurations and their crossover requirements:

     MTM Mid-Tweeter-Mid configurations (The d'Appolito arrangement)

     Line arrays (J arrays) for sound reinforcement

        Frequency tapering

        Band zoning

        Power tapering

     Constant-Beamwidth Transducer (CBT) loudspeaker arrays

?    More on specific sound-reinforcement issues like the loss of high frequencies due to the absorption of sound in air and how it varies.

?    Lowpass filters now have their own separate chapter.

      Much more on third, fourth, fifth, and sixth-order lowpass filters.

      Many more examples are given with component values ready-calculated

?    Highpass filters now have their own separate chapter, complementary to the chapter on lowpass filters.

      Much more on third, fourth, fifth, and sixth-order highpass filters.

      Many more examples are given with component values ready-calculated

?     A new chapter dealing with filters other than the famous Sallen & Key type. New filter types are introduced such as the third-order multiple feedback filter.

      There is new information on controlling the Q and gain of state-variable filters.

?    More on the performance of crossover filters, covering noise, distortion, and the internal overload problems of filters.

?    The chapter on bandpass and notch fi

Number of Pages: 672
Genre: Technology
Format: Hardcover
Publisher: Taylor & Francis
Author: Douglas Self
Language: English
Street Date: April 16, 2018
TCIN: 53474577
UPC: 9781138733022
Item Number (DPCI): 248-71-9418
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