Some of the physical and psychological factors of reproduced sound in an automobile, are discussed. The environmental conditions, such as: ambient noise as it affects audible frequency and dynamic range; “listening room” size, audience seating arrangement, and acoustical properties, are compared with these conditions in a living room or concert hall. The transducer efficiency, size, loadings, required power handling, frequency balance, frequency and dynamic range, and the effects of its location on the distribution and delivery to the listeners are considered. Psychological factors affecting the desirability of many experimental loudspeaker locations tested, are presented.

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