Key Technical Specifications
The SM58 is engineered to highlight vocal clarity while minimizing background noise:
Transducer Type: Dynamic (moving coil).
Polar Pattern: Cardioid (unidirectional), which isolates the main sound source and rejects off-axis sound to reduce feedback.
Frequency Response: 50 Hz to 15,000 Hz, specifically tailored for vocals with a brightened midrange and bass roll-off.
Sensitivity: –54.5 dBV/Pa (1.85 mV) at 1,000 Hz.
Impedance: Rated at 150
(300
actual).
Connector: Professional three-pin audio (XLR), male