A complete update of my amps so far - just switched from 2A3 SET to Shindo PP amp:
1988-93 Pioneer A-656 MKII (ALR Nummer 3 stand speakers)
1993-97 Harman Kardon HK1400 (ALR Nummer 3 stand speakers)
1998-03 Rega Mira (Original) (Mission 751 monitor speakers)
2003-04 Linn Classic (Mission 751 monitor speakers)
2004-04 Linn Wakonda/LK85 (Mission 751 monitor speakers)
2004-05 Jolida JD302B (Mission 751, Spendor S3/5, Omega Super 3)
2004-04 Audio Aero Prima (very nice, but returned due to problems)
2004-04 Unison Unico (awful sound, sold after 3 months)
2005-06 Sonic Impact T-amp (Cain Abby)
2005-06 Fi Y pre and First Watt F1 (Cain Abby)
2005-09 Fi Y pre and Super X 2A3 amp (Cain Abby)
2005 Bottlehead S.E.X amp (Cain Abby, now headphone amp)
2009 Shindo Monbrison preamp and Montille 6v6 tube amp (Cain Abby)
The amps I have kept the longest so far are the Harman, Rega, and Fi amps, each about 4-5 years.
1988-93 Pioneer A-656 MKII (ALR Nummer 3 stand speakers)
1993-97 Harman Kardon HK1400 (ALR Nummer 3 stand speakers)
1998-03 Rega Mira (Original) (Mission 751 monitor speakers)
2003-04 Linn Classic (Mission 751 monitor speakers)
2004-04 Linn Wakonda/LK85 (Mission 751 monitor speakers)
2004-05 Jolida JD302B (Mission 751, Spendor S3/5, Omega Super 3)
2004-04 Audio Aero Prima (very nice, but returned due to problems)
2004-04 Unison Unico (awful sound, sold after 3 months)
2005-06 Sonic Impact T-amp (Cain Abby)
2005-06 Fi Y pre and First Watt F1 (Cain Abby)
2005-09 Fi Y pre and Super X 2A3 amp (Cain Abby)
2005 Bottlehead S.E.X amp (Cain Abby, now headphone amp)
2009 Shindo Monbrison preamp and Montille 6v6 tube amp (Cain Abby)
The amps I have kept the longest so far are the Harman, Rega, and Fi amps, each about 4-5 years.