Vintage, illustrated guide to sound reproduction in loudpeakers and records. With several illustrations:

Sound Reproduction

by G. A. Briggs

Published by Wharfedale Wireless Works in 1950. Second Edition Revised and Enlarged.

Part I: Loudspeakers: Size and Shape of Cabinets; Exponential Horns and Multi-Speakers; Density and Vibration; Cabinet Lining; Air Loading; Frequency Range; Analysis of Sound and Frequency Doubling; 15 Inch Speakers; Directional Effects; Ribbon Speakers; Questions and Answers; Delayed Resonances; The Ear; Free-Field Sound Rooms; Reproduction in Schools; Intermodulation; Dynamic Range and Tone Quality; Crossover Networks.
Part II: Records: Recording Systems; Magnetic Recording; Disc Recording; Recording Characteristics; B.B.C. recording; Sapphire, Tungsten-Carbide and Diamond; Needles and Grooves; Needle Inspction; Distortion and Tracking Error; Surface and Motor Noise; Pick-Ups; Signal to Noise Ratio; Microgroove Recording; Electronic Sound.

Hardback book, 246 pages, 14.5 cm by 22.5 cm.

Good Condition

Some wear and marks to the cover including small nick in the book-cloth to the top of the book spine.  Some scuffs to the boards particularly to the corners. Binding intact. Occasional small marks on the  inside pages but most pages look clean. Writing on the end papers. Page edges are slightly browned.

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