What's the best and/or favorite piece of equipment you've owned? And do you still own it?


My favorite piece(s)  are  (and I still own them) the Martin Logan Ethos lousdpeakers and Soudsmith Paua cartridge.  As far as speakers go, electrostats are my favorite and will replace them with another set of electrostats.  I'm currently eyeing MUR Audio SP1's.  These two pieces make my rig sound great.  
polkalover
Original Rogers LS3/5a 15 ohm , purchased new in 1975.  Sold in mid 90s along with all my other equipment to raise cash to start a business.  Ted to see them go, but the business was the best decision I ever did.  I could buy them back, many times over, but, kind of like the high school sweetheart- reality probably not as good as the memories.
Lafayette KT-550 tube power amp for one.  It was built in the 50s and still kicks the ass of most any amps I have ever heard even in stock form.  Other than that, the large Ohm Walsh I had in college playing dark side of the moon.  After that it is all the products I build.

Happy Listening.
My Sonus Faber Electa Amator speakers. They are the original ones, bought new in the 1990's, with the marble/walnut stands. If I can pick two, it would be my Stax headphones (currently 009s).
Lot's to choose from but probably my Nakamichi Dragon. I was a cassette deck-aholic! Next would be my 70lb Thorens TD125 Black Forest Edition with SME Series 3 tonearm and Shure cartridge. Currently I love my KEF R series speakers and SVS SB 3000! I'm now an HT junkie...