Microphones

Microphone type and room belong in the same decision

Dynamic, condenser and ribbon describe transducer families, but none of them determines the result by itself. Source level, working distance, room sound and preamplification remain part of the microphone choice.

Dynamics are often robust and comfortable with loud sources. Many condensers provide higher sensitivity and require phantom power. Ribbon designs have their own electrical and mechanical requirements. Avoid the simplistic rule that condensers are only for studios and dynamics only for stages; both families cover much wider applications.

Polar pattern, sensitivity and self-noise

Cardioid, omni and figure-eight describe directional sensitivity. Pattern choice changes room pickup, bleed and the microphone's relationship with nearby boundaries. Sensitivity describes electrical output for a given acoustic level; self-noise is especially relevant with quiet sources and active condenser designs.

Maximum SPL and pads matter on loud sources, but read them with the specified distortion conditions. Signal level is then established by a microphone preamp or the preamp inside an audio interface.

USB versus XLR microphones

A USB microphone integrates conversion and computer connection, which is convenient for compact setups but offers less modularity. An analogue XLR microphone can be paired with interfaces, mixers and external preamps as the studio changes.

During tracking, closed studio headphones help reduce click and backing-track spill into the microphone.

Used microphones need an audio test, not just a visual one

Inspect the grille, capsule area, XLR socket, switches, pads and filters. Listen for intermittent noise, low output and abnormal distortion. On condensers, test phantom operation and noise; with ribbons, ask about drops, repairs and the condition of the delicate ribbon element.