Dynamic Noise Canceling Microphone

Commercial Audio Products

Description

TheAstatic Model 631Lis a noise cancelling dynamic microphone designed for close talking, hand held applications in quality sound installations where background noise is a problem. The frequency response, especially tailored for voice communications, provides a crisp, clear, highly intelligible sound with 360 degrees minimization of background noise. A soft lip guard is positioned to assure proper close talk voice spacing by the operator. The Model 631L, with modern "tear drop" styling, offers extreme reliability, convenient handling, rugged construction and high performance for years of dependable service.

The dynamic cartridge has a rugged polyester diaphragm which resists moisture, temperature extremes, most acids, alkalies and solvents. Molded in high impact Cycolac, the Model 631L comes with a permanently attached, heavy duty, four conductor, two shielded, coil cord. The 631L has a simple to operate DPDT long life, trouble free switch. The Model 631L has a low impedance output and is factory wired normally open. The Model 631L may be rewired in the field if a line shorting function is desired.

631L

APPLICATIONS

The Astatic Model 631L, because of its' professional sound and rugged construction and highly effective background noise reduction capabilities, is an excellent choice for any application requiring a hand held, noise cancelling microphones for difficult noise environments such as factories, airports, restaurants, mills, etc. and for two-way communications in taxicabs, buses, airplanes, helicopters, construction, police and fire vehicles, etc.

631L specifications

The Astatic 631L is a highly regarded dynamic microphone, renowned for its performance and versatility in a range of audio applications. This microphone is particularly favored by professionals in the fields of broadcasting, public speaking, and music production due to its robust construction and exceptional sound quality.

One of the standout features of the Astatic 631L is its unidirectional (cardioid) pickup pattern. This design effectively minimizes background noise while capturing sound from the front, making it ideal for use in live settings and recording environments. The cardioid pattern not only enhances the microphone's performance in challenging acoustic situations but also helps to reduce feedback, which is a crucial aspect for performers using stage monitors.

The microphone is equipped with a frequency response that spans from 50 Hz to 16 kHz. This broad frequency range allows for the effective capture of various vocal ranges and instruments, ensuring that users obtain a clear and accurate representation of the source sound. The high sensitivity of the Astatic 631L enables it to pick up subtle nuances in audio, making it suitable for both spoken word and musical applications.

Another notable characteristic of the Astatic 631L is its rugged construction. Designed to withstand the rigors of live performances and frequent handling, the microphone features a durable metal housing that protects its internal components. This durability ensures longevity, making it a cost-effective choice for both professional and amateur users alike.

Additionally, the Astatic 631L microphone comes with an integrated shock mount that helps to reduce handling noise and vibrations. This feature enhances the overall sound quality by isolating the microphone from unwanted movements, providing a cleaner audio output.

The microphone's 3-pin XLR connector allows for easy integration into a variety of audio systems, making it a versatile choice for different setups, from home studios to professional sound reinforcement systems.

In summary, the Astatic 631L is a dynamic microphone that combines high-quality audio performance, effective noise rejection, and robust durability. Its features make it suitable for a wide array of applications, ensuring that users achieve exceptional sound clarity whether they are on stage, in a studio, or broadcasting. This makes it a reliable and valuable tool for any audio professional.