The Tonelux JC37 Single is a standalone version of the JC37 microphone, designed for existing JC37 users who need a second mic for stereo setups. It ships without a power supply, as it's intended to pair with an existing Tonelux Universal PSU capable of powering two mics. For proper stereo matching, users are encouraged to provide their current serial number when ordering. Inspired by the legendary Sony C37a, the JC37 is a modern recreation developed in collaboration with Grammy-winning engineer Joe Chiccarelli. It retains the original's core design-featuring a 37mm single diaphragm, vacuum tube (JAN-GE5654W), and transformer output-but simplifies the signal path by omitting variable controls for polar pattern or impedance. This minimalist approach results in a cleaner, more consistent tone that highlights the mic's natural warmth and subtle compression at high SPLs. Ideal for vocals, acoustic instruments, and percussion, the JC37 delivers a smooth midrange dip and airy high-end lift-perfect for taming sibilant voices or adding shimmer to strings and cymbals.