Geofón is a sensitive omnidirectional geophone adjusted for field recording purposes. Originally designed for seismic measurements, it can be used with regular field recording equipment to capture very faint vibrations in various materials and even soil.

Tech Specs

Geophone
Directivity: omnidirectional
Frequency response: 10 – 1000+ Hz
Impedance: 3500 Ω
Resonant frequency: 20 Hz
Open–circuit sensitivity: 88.0 V/m/s
Cable: 1.5 m, robust polyurethane jacket, shielded
Output: XLR-3M balanced, gold-plated black Neutrik connector
Dimensions & weight: 52.5 mm x 36.5 mm ⌀, 190 g (including the cable and the magnet)

Specifications are subject to change without notice. Specifications have changed for models sold after 2nd of October 2025.

In the Box

• assembled Geofón sensor with cable and connector attached
• neodymium magnet (e.g. for attaching to steel constructions)
  
• stainless-steel spike adapter with 50 or 60 mm extender (size depends on the available stock)
• 40mm suction cup

Sound Samples

Headphone listening recommended 🎧

Bridge handrail (unprocessed)

Locks on bridge, rattling (unprocessed)

Bowed plastic siding (unprocessed), recorded by Kai Paquin

Bathroom fan (unprocessed), recorded by Kai Paquin