tag:blogger.com,1999:blog-21478793.post2057932244057368168..comments2009-05-11T10:52:12.829+08:009W2DTRhttp://www.blogger.com/profile/16168110047703634485noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-21478793.post-53856817624961807892009-04-24T09:06:00.000+08:002009-04-24T09:06:00.000+08:00Dear 9W2DTR, i like to know about audio amplifier using thermionic valve or electron tube, but it' all long gone technology.can you teach me or perhaps built one for me and including the best price you can offer.Thanks de 9W2MZYM.Zaiffulhttp://www.blogger.com/profile/13455868117127858526noreply@blogger.com