JK Laboratories
News: JK Labs web site will move (spring 2004) to http://home.no.net/jklabs/
The JK Labs DVC system. 
(Here with the well-known AKG CK61)
E.-mail us: jk_labs@hotmail.com
Makers of Esoteric Studio Quality  Microphone Systems for Portable Applications
DVC description
Portable Microphone/Preamp System

The DVC from JK Labs is a lightweight battery-powered high-performing microphone pre-amplifier. Together with a pair of condenser microphone capsules, a pair of active extension cables and a suitable DAT recorder, the DVC constitute a flexible, highly compact and portable recording rig well suited for even the most demanding recording applications.
Audio at large .. 
PCM digital output
Technical Info
    DVC technical
DVC flying