This Cascade Fathead came in for repair sounding not very happy.
A peak inside shows a ribbon mic that was likely subjected to some close proximity, loud guitar amplifier.
A closer look at the excursion shows what happens when ribbons are subjected to too much air movement. The ribbon is pushed against the screen to the point where the corrugations are removed, and the ribbon takes on the pattern of the screen it is pushed against.
Originally developed by the BBC in the early 1950’s, and manufactured by STC and then Coles, the 4038 is known for being a somewhat fragile, but excellent sounding ribbon microphone. Continue reading Coles 4038