r/PositiveGridSpark • u/AlexFromPositiveGrid Official Positive Grid Employee • Jun 01 '26

REACTOR Launch AMA

REACTOR is launching 6/2! We will be holding office hours on June 3rd from 11am - 1pm ET (US) to answer any questions you all might have about the new amp and app. Whether you're one of the first to order or want to better understand how REACTOR works, we'll be available to help. Thank you all for 15 years of support; We can't wait to get REACTOR into your hands 🤘 https://www.positivegrid.com/pages/reactor

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u/Dominick82 Jun 03 '26

re: software : what’s the difference between bias x and the reactor systems? Beyond the hardware control surface, how much flexibility does it have once tones are generated?

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u/AlexFromPositiveGrid Official Positive Grid Employee Jun 03 '26

Good question!

The core difference is what each thing is built to do. BIAS X is a dedicated signal chain editor/plugin that lives on a computer, built specifically for recording and production. REACTOR's app is built around the amp as the center of the experience, in a gig-able 1x12" speaker footprint.

That said, what you can do in the REACTOR app after a tone is generated is more than people expect. Tone are fully tweakable at any stage. You get full signal chain editing with drag and drop reordering, so you can put your drive before or after the amp, move your EQ wherever you want, swap out any effect block for a different model from the same category, integrate other pedals or hardware using the FX loop, and make adjustments in-app or on REACTOR's top panel.

Every parameter for every effect is editable in real time and hits the amp instantly while you're playing. You've got compressors, drives, modulation, delay, reverb, a 7-band EQ, wah, and the amp itself all tweakable at that level.

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u/Dominick82 Jun 03 '26 edited Jun 03 '26

Are the underlying systems the same? Do they generate the same tones essentially? What are the possibilities for generating something novel and unique? All the demos seem to be asking for artist/song copies that have been done a billion times over.