Early Speaker Book for Jensen University JBL Altec EV+ Start Price USD 69.00 Current Price USD 69.00 Time Left - Bid Count 1 Buy It Now Price USD 149.00 Reserve Price - Start Time Thursday, August 28, 2008 End Time Tuesday, September 02, 2008 Location Oregon See more about 'Early Speaker Book for Jensen University JBL Altec EV+' Description HI-FI LOUDSPEAKERS AND ENCLOSURES by Abraham B. Cohen. This is the preferred Revised, expanded 2nd edition. Copyright 1956, 1968 Hayden Books.  Printed in U.S.A. 438 PAGES!!  Out of print for many years. Picture is of the actual book.  In excellent condition!  All pages clean, binding tight, no tears or writing.  Light cover wear.  Tough to find in this condition! This is one of the two most valuable, sought-after books ever written on the subject of vintage speaker driver and speaker enclosure theory, design and construction. This book is on every "must have" list for speaker designers and audiophiles. It is only one of two books ever written from a professional standpoint on the theory and design of speakers from the 'Golden Age' of Audio, the 1950's and early 60's.  438 pages of speaker construction designs, tables and formulas you won't find in any other book ever written on vintage speaker design.  Click on "View Seller's Other Items" for the only other professional-level book published on loudspeaker design during this period.  Buy both and save on shipping. If you get one book on this subject, this is the one to get because it contains much more thorough information than any other ever written.  Just a part of the index has been shown to provide the detail with which this book delves into. Every major concept involved in the design of the world's highest quality speaker drivers and enclosures is right here in this excellent book. There are horns, bass-reflex, resonant columns, acoustic labyrinth, infinite baffles, testing techniques, etc.  Also included are descriptions with superb cutaway drawings and pictures of University, Electro-Voice and Jensen Triaxial drivers, the "Ionophone" (electrically charged gas) and electrostatic drivers including Quad.  Just some of the other contents: The Loudspeaker: including Mechanics of Good Loudspeaker Design, Loudspeaker Resonance, Impedance and Damping, and Networks in Multi-Speaker Systems. The Enclosure: Enclosure types including 'vented' and 'horn' along with enclosure size, speaker and system response, the enclosure as a crossover element and mechanics of good enclosure design. The Room: as part of the acoustic circuit, placing the enclosure in the room, adjusting the room to match the system, adjusting the system to match the ear, Stereo Practice and Acoustics Measurements. And finally, detailed construction drawings WITH  DIMENSIONS listed for more than 27 vintage speaker cabinet designs and variations: 11 University 'tuned duct' designs, 6 Altec 'infinite baffle' and 'bass reflex' designs, 6 Jensen 'infinite baffle' and 'tuned duct' designs, 4 J.B. Lansing (JBL) 'tuned duct' and 'passive radiator' designs, 3 Electro-Voice 'tuned duct' designs, 3 Bozak 'infinite baffle' designs, and 3 Wharfedale 'slot tuned' and 'duct vented' designs. This is a thoroughly absorbing and rare book. The author was Manager of the Acoustics Department of ISC / Telephonics Division and former Vice President of University Sound, Division of LTV-Altec. This book is necessary for those of you who wish to employ low-wattage, single ended amplifier designs teamed with a high-efficiency speakers. Now you’ll have help designing your cabinets using the high efficiency drivers for which this book was written.   PAYMENT: Paypal or money order, which must be received within 10 days of invoice receipt please or book will be offered to the next bidder.  Initial contact must be made within 3 days.International purchasers are welcome but must adhere to these rules and must use ONLY PAYPAL or international postal money order, please.  SHIPPING: Please see the rates below.    Overseas shipping via USPS Priority Mail includes insurance.  First Class Airmail rate shown does not include insurance.   NOTICE: The copy and pictures in this auction are copyrighted (c)2004-2006 by Wright Audio (Ebay user - 'tubeamps'). Violators are reported to Ebay.                                         Place a Bid!