This comes at a cost; he can’t change the settings on his small amp without taking his hands off the guitar. While larger ... are mounted in an aluminum box, and mount to the knobs with ...

There’s a lot of builders around whose first foray in electron manipulation was building effects pedals for guitars ... box how-to. Last week, [Dino] found an old 5-watt tube amp in someone ...

While it's good fun to jam out on the guitar with a powerful amp, unless you have a soundproof ... but the Spark Neo was perfectly tuned straight out of the box. "Day One" by Charles Bethoud ...