
August 19, 2026 — Positive Grid Editorial
REACTOR Buyer's Guide
Estimated read time: 4-5 minutes. So you're ready to jump into the world of amp modeling and you genuinely don't know where to start. I get it. There are a lot of options out there and most of them are great at what they do, which somehow makes the decision harder instead of easier. But something new is here. REACTOR from Positive Grid, the same folks who brought you the Spark series amps that have quietly made their way into bedrooms, studios, and tour buses all over the place. Now they've stepped into the combo amp game with something a little different, something built to push the traditional amp forward instead of just recreating it.






















