As announced here in December 2015, the first part of the article about a simple tube preamplifier proposed as an assembling-kit, named "15-100" and ready to be assembled either by a boy of fifteen or a venerable chap of 100 years old, has been released and published by Audio Review (AudioVideoTeam, Italy), don't miss the N°372 (February 2016) and see pages 114-115!
