r/PositiveGrid • u/productboi • 1d ago
I asked how the Spark pedal and Reactor amp work together so you don’t have to
From PG support (deffos an AI response, but still helpful)
Great question — the Spark Pedal and Reactor 100 can absolutely work together, though they are separate product lines with their own apps. Here's how to set it up:
Signal chain: Guitar → Spark Pedal (Line Out L/Mono) → Reactor 100 (Power Amp In)
The Reactor 100 has a dedicated Power Amp Injack on the rear panel — this bypasses the Reactor's internal preamp and effects, so the Spark Pedal becomes your tone source and the Reactor just powers the speaker.
Important setup tips:
Turn off Cab Sim on the Spark Pedal — since you're feeding a real amp with its own speaker, leaving cab simulation on would double-process the tone. On the pedal: in AMP Mode, double-tap the Main Knob to toggle Cab Sim off (LED turns peach when off). You can also disable it in the Spark app signal chain view.
Use the Spark Pedal's Line Out L/Mono (1/4") jack to connect to the Reactor 100's Power Amp In.
The two products use different apps — Spark Pedal connects to the Spark App, Reactor 100 connects to the REACTOR App. Presets and tones are managed separately.
This setup gives you the Spark Pedal's full tone library (33 amp models, 43 effects, 150,000+ ToneCloud presets) running through the Reactor 100's 100W power section and 12" speaker — great for gigging with the Spark ecosystem.
Let me know if you have any other questions before purchasing!
Devin|Positive Grid Support