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Construction 20 of original speaker of Nagaoka [tetsuotoko]

  
  
  It is a book where Nagaoka [tetsuotoko] standard teacher's named the drawing, how to make, attention, and the design of 20 models in all explanation styles are taken. It is an item "Basic knowledge of the speaker construction" and "Design of the speaker system" of the start on page 17 and there is very simply an explanation of the calculating formula etc. of the theory necessary for notes of the speaker production (how etc. to strike the nail) and the speaker designs. As for the Nagaoka master's 18th explanation of backing loading horn, this is wonderful only though it explains of D-164 too not famous. It is a value size that reads even only a part here enough.

  
Published speaker ��QS-4R, W-14, BS-46, BS-47, BS-21MK2, BS-48, BS-43, BS-45, DB-3, D-164, F-11W, PA-2, QS-1, CX-3(J), IS-1, MX-23, F-15AV, MX-22, AV-2, and AV-1 (drawing)