Korg debuted its Nutube tech a couple years back, but so far the tiny vacuum tubes have only surfaced in select products. Nutubes have been used in a distortion pedal and a mini guitar amplifier head, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Simon Arblaster manages to rope in head honcho of Future Music, Si Truss, for another ...