The Cornerstone Nucleo Power Station Hall Reverb is a reverb pedal from Cornerstone, built as a signature design with guitarist Paul Davids. It offers three reverb modes, Room, Reactor and Hall, along with presets and Freeze functions, and it carries a list price of $449 as of December 20251. It sits in the wider family of reverb pedals alongside the related Cornerstone Nucleo Stereo Reverb.
What it does
The pedal's mode selector switches between three reverb characters: Room, described as lo-fi; Reactor, described as vintage; and Hall, described as normal2. A rocker switch handles three levels of operation: the live panel, an F2 secondary function layer, and presets 1, 2 and 31. The pedal also includes Freeze-Pitch and Freeze functions1.
Reception
Guitar Pedal X's reviewer was emphatic about the Nucleo, calling it "easily one of my all-time favourite Reverb pedals - maybe The all-time favourite Reverb Pedal," a verdict that weighed its design, features, function and format together1.
Reviewer Stefan Karlsson's verdict was strong:
"easily one of my all-time favourite Reverb pedals - maybe The all-time favourite Reverb Pedal."
Videos
Cornerstone Music Gear
Kenyon Reed
Tone Chase Basement
Questions
What modes does the Cornerstone Nucleo Power Station Hall Reverb have?
The pedal offers three reverb modes selected by a mode control: Room, described as lo-fi; Reactor, described as vintage; and Hall, described as normal. It also carries presets and Freeze functions, and Guitar Pedal X's Stefan Karlsson reviewed it as one of his favourite reverb pedals overall.
Who is the Cornerstone Nucleo reverb a signature pedal for?
The Nucleo Power Station Reactor Hall Reverb is a Paul Davids signature pedal, developed with the guitarist and YouTube creator known for ambient reverb playing. Guitar Pedal X awarded it GOLD in its 2025 Best New Delay and Reverb Pedals of the Year roundup.
Sources (2)
- Guitar Pedal X, Guitar Pedal X, 2025-12-11
- Guitar Pedal X, Guitar Pedal X, 2025-12-10
