Howard Sams Book 1st Edition 8th Printing 1972, used but nice tight clean pages. Has name and address previous owner. 144 pages with information for do it yourself building of speaker enclosures of various kinds: infinite baffles, bass reflex, horn, combinations. Info on crossover networks, construction techniques and driver testing. Classic book by Alexis Badmaieff and Don Davis.$4 dollars shipping in cardboard box.
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