Topping E70 Velvet DAC Preamp. Three mouths old, perfect condition. Best DAC for under $500. Super smooth and detailed. Complete with remote and original box. Not registered yet. Low reserve. Fast shipping. Flat rate shipping $20.00 US lower 48 states.

Basically perfect condition with all included accessories. Sounds great and works perfectly.

Up for sale, handbuilt DIY stereo tube preamplifier. Circuit based on Blue Velvet preamp by Dick Olsher and Kara Chaffee, but with much simpler tube-rectified power supply. No balance or tone controls, or other extraneous controls. Chassis is sturdy aluminum from US-made Tektronix electronics lab instrument, rack-mount look with handles. Power supply and music signal circuit are separated. Some vintage parts such as tube sockets and other parts. Uses 2 US 6SN7 tubes plus US 6087 5Y3GT rectifier. 3 line inputs selected with switch on front; new sealed selector switch. Controls feel very good. Sound is excellent, no noticeable background hum w/ AC filaments, with inputs in place. See all pictures.NOS US Stancor power transformer installed. Beefy power supply with new 10H choke and new and vintage electrolytic capacitors. Sylvania 6SN7GTB tubes. Vintage Alps Black Velvet volume pot (rare). Interference filter on AC input. Clarity Caps film output capacitors. 10 super-quality Teflon/gold Manley RCA jacks. 2 pair of RCAs for output to power amp and subwoofer. No phono section.Maybe not the last word in tube preamps but it works well and sounds great. Overall appearance is excellent, aesthetics are important in my builds. Construction is solid and reliable but home-built. I can answer questions. Ive sold several handbuilt tube amplifiers and preamps to very satisfied buyers here. See the matching tube phono preamp I also have up for sale.Buyer will receive one complete preamplifier, w/ 3 tubes and IEC power cord, as shown. Will be well-packed and ship by FedEx ground within US - best price for this weight. See my seller feedback and thanks for looking.

Up for sale, handbuilt DIY stereo tube preamplifier. Circuit based on Blue Velvet preamp by Dick Olsher and Kara Chaffee, but with much simpler tube-rectified power supply. No balance or tone controls, or other extraneous controls. Chassis is sturdy aluminum from US-made electronics lab instrument. Power supply and music signal circuit are separated. Some vintage parts such as tube sockets and choke, with mostly new parts. Uses 2 US 6SN7 tubes plus Mullard EZ81 rectifier. 3 line inputs selected with switch on front. Sound is excellent, no noticeable background hum w/ AC filaments, with inputs in place. See all pictures.New Hammond power transformer. Beefy power supply with 9H choke and quality film and new JJ electrolytic capacitors. GE 6SN7GTB tubes. Proprietary Hewlett Packard 3 terminal, 8 ft power cord and filtered power connector. New Alps volume pot. Shielded signal wiring. Audible Illusions film output caps. 10 super-quality Teflon/gold Manley RCA jacks. 2 pair of RCAs for output to power amp and subwoofer. No phono section.Not the last word in tube preamps but it works well and sounds great. Was built to pair with a red-painted power amp I made. Overall appearance is excellent. Construction is solid and reliable but home-built. I can answer questions.Buyer will receive one complete preamplifier, w/ 3 tubes and cord, as shown. Will be well-packed and ship by FedEx ground within US - best price for this weight. See my seller feedback and thanks for looking.