Grounding Devices

Compass

Fono Acustica’s passive virtual-ground system developed specifically for loudspeakers. Compás combines precious metals and natural minerals within a composite enclosure to dissipate unwanted ground energy and control radio-frequency interference.

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Key Features

  • Passive grounding device developed specifically for loudspeakers
  • Provides an artificial clean-ground reference
  • Connects to both loudspeakers in a stereo system
  • No connection to an AC outlet required
  • Proprietary mixture of natural minerals and precious metals
  • Designed to dissipate unwanted ground energy
  • Helps control radio-frequency interference
  • Ceramic-composite and solid-surface enclosure
  • Custom grounding terminals
  • Solid-steel support feet
  • Dedicated ground cables available separately
  • Made in Spain

Design & Build

The Compás is designed to provide a passive artificial-ground reference for a stereo pair of loudspeakers. Its composite enclosure contains a proprietary mixture of natural minerals and precious metals selected to absorb and dissipate unwanted electrical energy.

Custom terminal connections provide secure attachment for the dedicated grounding cables, while solid-steel feet create a stable mechanical foundation. The passive design requires no power supply and introduces no active circuitry into the system.

System Pairing

One Compás is normally positioned between a pair of loudspeakers. A dedicated ground cable runs from the Compás to the negative binding post of each speaker.

The system is intended for passive loudspeakers. Compatibility should be confirmed before connection to active loudspeakers, powered bass systems or amplifiers with balanced, bridged or unconventional output stages.

Technical Specifications

SpecificationDetail
TypePassive virtual-ground system for loudspeakers
ApplicationOne stereo pair of loudspeakers
Grounding methodPassive artificial ground
Internal materialsProprietary mixture of natural minerals and precious metals
EnclosureCeramic-composite / solid-surface composite construction
ConnectionsCustom grounding terminals
Loudspeaker connectionNormally connected to each speaker’s negative binding post
AC connectionNone
SupportSolid-steel feet
WeightApproximately 7 kg
Required cablesTwo compatible Fono Acustica ground cables
Country of manufactureSpain

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