Mark Rehorst's Tech Topics

I recently restored my Soundcraftsmen PM860 amplifier , and was offered a deal on a Soundcraftsmen DX4000 preamp that wasn't quite worki...

The A12 front panel. Yes, those are tubes in there!  I only recently started buying new gear for my stereo system as opposed to my habit of ...

Another recapping project: Luxman RX103 stereo receiver from 1982. In 1982, no one at Luxman ever would have thought their product would sti...