Vibrato bridges allow for mechanical alteration of the sound produced by your guitar. It is important to remember that these devices have limits, and they will alter your guitar when they are present even if they are not currently being used because they have the capacity to alter your tuning and the current tone being produced by the instrument.
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5 Things About Vibrato Bridges.
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I’m seeking info for sanctuary reverberation absorbsion material ( panels) and best placement.
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?