※Shipping service. A gentle and reliable book that takes up many practical examples from basic knowledge about vacuum tubes. The terminology and calculation methods are also really easy to understand! Since the photograph is a sample, the actual product may be broken, written, etc.
Special Feature = All of the power supplies and accessories that are currently being talked about are full of techniques to demonstrate the power of your equipment! /Power supply maintenance and introduction effect, case report/Research on accessories to bring out better sound/H.23.8.15 issue
※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. Radio Technology June issue separate volume · “Famous Machine Technology” series/Special Feature = Characteristics and Circuits of 15 Famous Vacuum Tube Power Amplifiers/Genealogy of Vacuum Tube Power Amplifier Circuits/Talk about Famous Machines (Yoshikazu Tomita, Keizo Yamanaka, Shinichiro Ishii, Takahashi Saburo) and others/Published on 6/5/Showa 57. Since the photograph is a sample, the actual product may be broken, written, etc.