Electro-Voice N/D 257B User Manual

Cardioid dynamic microphone for live sound, vocal groups, and home recording, using N/DYM technology.

Utilizes a revolutionary neodymium alloy magnet for enhanced power and extended frequency response.

Vibration-isolation system reducing handling noise via rear wave cancellation and rubber shock mounts.

Combination of Acoustifoam and fabric for maximum rejection of wind noise and vocal P-pops.

Specifies audio frequency range for close and far response.

Details the cardioid pickup pattern, offering side and rear sound rejection.

Covers open circuit voltage, power sensitivity, dynamic range, and output noise.

Provides electrical impedance and physical weight specifications.

Lists the height, diameter, and shank measurements of the microphone.

Illustrates the microphone's directional sensitivity at various frequencies.

Explains how close-range placement affects low-frequency response and feedback.

Highlights all-metal core and robust design for reliable operation in extreme conditions.

Details quality control testing and the provision of individual performance certificates.

Outlines warranty terms, exclusions, and procedures for obtaining service.