7140

Curious of opinions on this one. Got this in trade for cleaning out a friends laptop that had beer spilled into it and I do love its sound so far. It seems to have a bit of punch but the phono stage may need a filter cap replacement as it hums slightly. I use an outboard phono preamp...

Need to replace a 2SB548 (Q904) in a NAD 7140 power supply. I'm new to transistor matching (and AK!), as most of my experience has been with tubes. Any ideas? Thanks!

Hello, I'm new, this is my first thread, so I hope I do this right. I'm 66, an old musician familiar with tube amps, and I'm working on a NAD 7140 receiver with no sound. I've heard great things about this forum and NAD gear, and I've already followed some suggestions for trouble shooting and...