The 4038 Studio Ribbon Microphone is of British Broadcasting design (BBC) and used for broadcasting and recording such sounds where a clear smooth wide range frequency response, absent of transient distortion and relatively high sensitivity is essential.. Though they don't come with shock mounts, do most people not use them? But in my opinion it lacks some warmth, and can exaggerate the high end frequency a little too much. The Coles Electroacoustics 4038 Studio Ribbon Microphone is of British Broadcasting design (BBC) and used for broadcasting and recording such sounds where a clear smooth wide range frequency response, absent of transient distortion and relatively high sensitivity is essential. Here's what Coles Electroacoustics have to say about the 4038. The mics seem VERY sensitive to low frequency information. The frequency response of the Coles 4038 Studio Ribbon Microphone is exceptionally flat from 30 to 15,000 c/s and throughout this range the shape of the bi-directional (figure of eight) polar response is maintained substantially constant both in the horizontal and vertical planes, giving a natural smooth sonic quality textured response to sound signal being picked up. The frequency response of the 4038 is exceptionally flat from 30 to 15,000 c/s and throughout this range the shape of the bi-directional (figure of eight) polar response is maintained substantially constant both in the horizontal and vertical planes, giving a natural smooth sonic quality textured response to sound signal being picked up. The Coles 4038 mic is the type that you would use if you where into broadcasting, it gives you a very smooth response without in distortion. The 4038 Studio Ribbon Microphone is of British Broadcasting design (BBC) and used for broadcasting and recording such sounds where a clear smooth wide range frequency response, absent of transient distortion and … About: Coles 4038 Studio Ribbon Microphone. The 4038 has a proven reliable performance capability, being since its introduction, used by broadcasting networks throughout the … My God do they sound good. Proud new owner of a pair of Coles 4038's here. The frequency response of the 4038 is exceptionally flat from 30 to 15,000 c/s and throughout this range the shape of the bi-directional (figure of eight) polar response is maintained substantially constant both in the horizontal and vertical planes, giving a natural smooth sonic quality textured response to sound signal being picked up. The Coles 4038 Studio Ribbon Microphone is of British Broadcasting design (BBC) and used for broadcasting and recording such sounds where a clear smooth wide range frequency response, absent of transient distortion and relatively high sensitivity is essential. Couple of questions... when the gain is up high (60 and up) I notice ALOT of low frequency rumble.