※Shipping service. Original Speaker Design Technique by Tetsuo Nagaoka 2/Table of Contents = Original Speaker Drawing Collection/"Ark” Measured Speaker Unit Data_2/New Edition: Full List of Original Speakers by Tetsuo Nagaoka Issued 1997.10.1 Since the photograph is a sample, the actual product may be broken, written, etc.
※Shipping service. Characteristics and circuits of 15 famous vacuum tube power amplifier models/genealogy of vacuum tube power amplifier circuits/roundtable discussion talking about famous machines of power amplifies/listening to 7 models of Tama amplifies/Questionnaire to Mr. 8 What is a famous machine for me/ Takesue Kazuma: Memoirs of 30 years of making amplifiers/anthology articles, popular power amplifier production articles/radio engineering companies/1989.12.20 first edition published. The photograph is a sample, so the actual product may be broken, written, etc.