Schoeps SM 270 Round Foam Shock Mount Pad for BF 250The SM270 is occasionally a microphone must be placed on a very "noisy" wooden floor, which can lead to pickup of footstep noise, and especially when an RC Active Tube is used even some mechanical "ringing." Sometimes the existing acoustic isolation of the heavy floor stand BF 250 does not suffice to keep the microphone free of these disturbances. For that reason SCHOEPS offer the SM 270, an isolation mat which is simply placed beneath the BF 250. It