sE Electronics SERF Reflexion Filter 3.5

The Reflexion Filter 3.5 is a portable device for recording live sound sources with reduced room ambiance. It is an advanced composite wall which is positioned behind any microphone by means of a variable position stand clamp assembly which ships with the product. The main function is to help obtain a 'dry' vocal or instrument recording. This is especially useful in studios without proper acoustic treatment, but can also be used to help record takes in control rooms, where the performer also has to operate the recording device, or in rehearsal studios to reduce ambient noise.The Reflexion Filter has 6 main layers. Firstly, a strong layer of punched aluminum which allows sound waves to pass through it, diffused, to a layer of absorptive wool. The sound waves then hit a layer of Aluminum foil which helps dissipate energy and break up the lower frequency waveforms, and from here they hit an air space kept open by rods passing through the various layers. The air gap acts as an acou