The 2SK170 is about $.80, 2SK246 is $.39 and the 2SJ74 is $1.10. They are available from most pro-audio suppliers. Tom > I don't know anything about Erno's FETs -- the 2SK170, 2SK246, and the > 2SJ74. Are they readily available? > > -- Don > > -- > Don Tillman > Palo Alto, California, USA > don at till.com > http://www.till.com >