About this time last year, California's Positive Grid released some nifty software for Mac, PC and iOS that allowed tone wizards to dive into virtual circuits to create custom fuzz, overdrive and ...

If you're looking for a portable guitar amp, the Positive Grid Spark GO is an option that has received many positive reviews. Using a portable amp like this means you can play guitar wherever you go - ...

Powered amps for electric guitars have gotten some neat tricks powered by modern mobile tech over the years, but the new Positive Grid Spark ($299) might be the one that packs the most intelligence ...