Handbook for Sound Engineers

592 Chapter 16 with a PZMicrophone, tends to sound better than high placement. For classical recording, a more distant pickup is ...

Microphones 593 pads is essential. Additional padding may be necessary between the microphone output and the mixer input. The co ...

H.W. Gierlich and K. Genuit, “Processing Artificial-head Recordings,” AES preprint 2460 (G-5). Don and Carolyn Davis, “In-the-E ...

595 Chapter 17 Loudspeakers by Jay Mitchell 17.1 Introduction................................................................... ...

596 17.8.5.5 Passive versus Active Crossovers.................................................... 625 17.8.6 Acoustic Boundaries ...

Loudspeakers 597 17.1 Introduction A loudspeaker is a device that converts electrical energy into acoustic energy (electroacoust ...

598 Chapter 17 and of themselves, and their convergence in the field of loudspeaker design results in one of the most complex co ...

Loudspeakers 599 Damping dope is applied to the coupling connection in an attempt to smooth the decoupling transition frequency ...

600 Chapter 17 early method of making porous spiders was to die-cut them from solid phenolic-impregnated linen sheet stock. The ...

Loudspeakers 601 for this coupling include possible increases in certain distortion components and the requirement for a horn. C ...

602 Chapter 17 out of stamped beryllium-copper cantilever fingers, and JBL and Ramsa stiffen their suspensions with rhombic and ...

Loudspeakers 603 response to this modulated force, the diaphragms to move opposite (toward or away from) each other. The upper l ...

604 Chapter 17 by the stiffness of the diaphragm suspension. Measure- ments indicate that for a constant voltage applied to the ...

Loudspeakers 605 reached only in theory. In reality, under continuous high drive levels, mechanical stress on the surface of the ...

606 Chapter 17 pleated diaphragm that is forced in the magnetic field. In another implementation, continuous lengths of wire are ...

Loudspeakers 607 stationary one or when a suspension element is made unacceptably nonlinear (either temporarily or perma- nently ...

608 Chapter 17 cause the voice coil resistance to increase to 40% above its ambient value. The following equation give voice coi ...

Loudspeakers 609 For example, a typical copper woofer voice coil has a mass of 24 g and a gap heat transfer coefficient (thermal ...

610 Chapter 17 17.7.1 Direct Radiators The simplest form of radiator is the direct radiator, in which the diaphragm is directly ...

Loudspeakers 611 case with coated synthetic textiles, or hard, in the case of metals or composite materials (e.g., carbon fiber/ ...