Sony TA-F5 in 2009. It was a 70 watt/channel DC coupled amp, with beautiful industrial design and some useful features (moving coil and moving magnet phono inputs with gold plated jacks, for example), and advanced technologies (like the excellent pulse power supply powering the amp). I've really missed it, and haven't seen one since. Now I've got a TA-F4A. It looks almost identical, but uses a conventional power supply, and doesn't have a moving coil input. Depending on where you get your information, it's rated at either 40 or 55 watts/channel. My guess is 55. A friend described it as an amp that would look at home on a submarine. I think that's a high compliment. It sounds fantastic.