InnerTUBE Audio
InnerTUBE Audio is a small, enigmatic manufacturer of unique studio electronics and microphones located midway between San Luis Obispo and Los Angeles near the California coast.
The company’s product line includes a tube compressor, a tube summing box, the “MagMic” — a tube condenser built into a Maglite case — and tube retrofit/upgrade amplifier kits for the Neumann U87 and Gefell UM70 / UM71.
