Have a look at those. If they should still to be had, I wouldn't let them go by. However I am not sure, if Jadis still makes those.
http://cls.audiogon.com/cgi-bin/cls.pl?ampstube&1223560033
http://cls.audiogon.com/cgi-bin/cls.pl?ampstube&1223560033
classic sounding 25 watt tube amp