The Keystone Kavern is a stereo reverb pedal from Keystone Musical Instruments, part of the company's line of stereo pedals, which focus on time domain processing. Sonic State spoke to Ed from the company about the line, and the pedals are available now from Keystone's website at $329 USD each.1
What it does
The Kavern covers two things a player reaches for in ambient and textural playing: a plate reverb, the smooth, dense reverb character long associated with studio plates, and a freeze control that sustains the reverberated sound. Sonic State listed it simply as "Kavern - Plate Reverb / Freeze" in its report from the show.1
It is part of Keystone's line of stereo pedals, which the company describes as focusing on time domain processing, the family of effects that includes reverb and delay.1
Context in the Keystone line
The Kavern belongs to Keystone Musical Instruments' line of stereo pedals, which the company says focus on time domain processing. According to Sonic State's report, all of the pedals were available now from Keystone's website at $329 USD each at the time.1
The Kavern is a stereo pedal. To hear its full stereo effect, it needs a stereo signal path into and out of the pedal.
Videos
Keystone Musical Instruments
Questions
What is the Keystone Kavern?
The Kavern is a stereo pedal from Keystone Musical Instruments that produces plate reverb and includes a freeze function. It was demonstrated at Brooklyn EXPO 2026 as part of Keystone's line of stereo pedals focused on time domain processing, and it is available now from Keystone's website.
How much does the Keystone Kavern cost?
The Kavern lists at $329 USD. At the time of the Brooklyn EXPO 2026 report, all pedals in Keystone's line were available at that price from the company's website.
Sources (1)
- Brooklyn EXPO 2026: Keystone Stereo Time Domain Pedals, Sonic State, 2026-10-18