Special Feature = CD Era Vacuum Tube Preamplifier/GEC DA30/MOS FET 1 Stone Power Amplifier/82' Audio Technology of the Year/Precision Processing Technology for Players/New JBL Driver 2445J/Large Diameter W Woofer 21 Models/Summary of Published Circuit Diagrams: Technics SU-V7A/HAFLER DH500/S58.3.1 Issued. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. Special Feature = Contemporary Noise Thoughts Vol.2/Overview of American 3-Pole Output Tubes/Mos-FET Single Stage OTL Amplifier/Medium Monitor Speaker Research/New Feedback Circuit Type DC Preamplifier/38 cmW Woofer System Vol.4/Published Circuit Diagram: PIONEER CT-580/S57.5.1 Issued Photographs are samples, so the actual product may be broken or written.
※Shipping service. Special Feature = Internal and External Tweeter Research/Modern Noise Thoughts Vol.3/SR Speaker Research/New BLT Amplifiers/Sound Field Correction Using Partitions/Driver Tube Research/Frontier Technology “VHD Technology” /Published Circuit Diagram: ElectroVoice TL505 Enclosure/Mixing Console and Noise///S59.10.1 published. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. “Fascinating Vacuum Tube Amplifiers: Their History, Design, Production (Volume 1), Reprint Edition” /Over 40 Production Examples/Complete Famous Ball Data/Wireless and Experimental Edition/Supervised by Isamu Asano/1990.4.2 2nd Print Published. The photograph is a sample, so the actual product may be broken, written, etc.