SE Electronics Omni Capsule for RN17 Designed with Mr. Rupert Neve, the RN17 redefines the capabilities of an SDC. This is the world's first pencil microphone with a large-scale, hand-wound, ultra high performance transformer. The second product of the sE / Rupert Neve collaboration, work on the RN17 began with a discussion between Rupert and Siwei Zou on the merits and problems of small-diaphragm condenser.