Pair tube direct heat triode tube, made in America, JAN smoke measurement value 62/60 (rejection value 38) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
※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.
※Shipping service. “Audio Vacuum Tube Manual” /Published by Radio Engineering Company/by Ichiki Yoshinori/A revised edition that carefully selects the “All Japan Vacuum Tube Manual” published in Showa 33 for audio applications. S60.7.20 first edition issued. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. Special Feature No. 32 = Field Test of the Latest 41 FM Tuner Models/SS Special Present Japan FM Radiation Station/1974.10.1 issue/The photograph is a sample, so the actual item may be broken or written on.
※Shipping service. Special Issue No. 36 = All Speaker Systems (above) Test of the latest 40 models/Sound Quarterly (listen to new products) /1975.10.1 issue. Published models: CHRYSLER/LAB-1000,2000 YAMAHA/NS-451 ALLISON/ONE, TWO SLESTION/UL6, UL8 OMAL/MODEL TL6 CABASSE/BRIGANTIN INFINITI/2000Ⅱ JENSEN/23 YAMAHA/C-1 SANSUI/AU9900,11000, TU9900 LAX/L-80V TECHNICS/ HY-7600,7200, ST-7600,7200 VICTOR/JA-S91, S71, S51, JT-V71, V51 TRIO/KA-7500, KT-7500 DIATONE/DA-U850, DA-F750, DA-U750 GAS/AMPZILA SAE/MARK2500 ALTEC/9440A RADFORD/HD250, ZD22 DENON/DP-1700, DL-109R ,109D DIATONE/DP-91D YAMAHA/YP-600, YP-1000Ⅱ MICRO/TAKE-5 CEC/BD-7000 OTTO/TP-1200 SANSUI/SR-525 GRACE/G714, G704 DUAL/601,1228,1225. The photograph is a sample, so the actual item may be broken or written on it.
※Shipping service. Written by Morikawa Tadayu/ From the articles published in the “MJ Radio and Experiment” magazine, the one that serves as a reference for amplifier production was selected and revised. A useful book for beginners and veterans alike. Published 2006.9.29. The photograph is a sample, so the actual item may be broken or written on it.