Though guitar amp and effects modeling has been around for a while, Positive Grid shook things up in 2019 with the launch of the Spark – an impressively flexible and affordable tone master. The ...

Amp Week 2026: Despite the rise of digital modeling, the humble guitar amp remains a popular option for players all over the globe, myself included. Your amp is the core of your guitar tone, and in my ...

A basic Spice model that simulates an amplifier’s bandwidth, magnitude, phase, and transient response can be up and running in as little as three lines of code. The first line determines the input and ...

The Spark 2 from Positive Grid looks like a miniature old-school amp, but it is, essentially, a computer with some knobs and a speaker. It has Bluetooth, USB-C, and an associated smartphone app. It ...

There's no denying that vintage guitar amps sound great, but they can be huge, expensive and prone to frequent breakdowns. Digital modeling has been getting better and better over the years, but there ...

Of course, the Katana keeps a lot of the other features that make is so easy to recommend. It still has switchable power for going from a full roar, to bed-room appropriate volumes (without changing ...