It's a great honor for DIRECT HEATING to receive your visit. DIRECT HEATING (DH) is an association for audiophiles in seach of musical sound through HAND MADE VACUUM TUBE AMPLIFIERS designed by Mr.Susumu Sakuma. DH is not a business society. We love audio, cinema, literature and other arts that enrich human life. Through our audio concerts we meet many good friends in Japan and other countries. We hope to see many many good friends on this www home page. Chairman Takuji Yamamoto |