Heiserman Audio

Capsules USA

Heiserman started in 2010 when Eric Heiserman took it upon himself to build a CNC machine for the purpose of making capsules. Intent on capturing the classic tones of the most famous mics in the world, Eric managed to reverse engineer several capsule designs. He soon began providing capsules for sale to the DIY community.

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This is a recreation of the classic Neumann k87 capsule. It is designed to work with the vintage u87(i) circuit and features electrically isolated backplates. Most people find this to be a smooth and fairly neutral sounding capsule, without the excessive brightness sometimes attributed to modern U87’s.