Astatic 631L Microphone: P/N: 620001

Desktop and Palm Held Series: 631L

The 631L, sold with our M2115 radio line,  is designed for close talking, handheld 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 dynamic cartridge has a rugged polyester diaphragm which resists moisture, temperature extremes, most acids, alkalines and solvents. Molded in high impact Cycolac, the 631L comes with a permanently attached, heavy duty, four conductor, two shielded coil cord. The low impedance 631L has a DPDT long life, trouble-free switch and is factory wired normally open.

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.


Operating Principle: Moving Coil Dynamic
Polar Pattern: Noise Canceling
Frequency Response: 200Hz – 5.5KHz
Sensitivity: -62 dBV (.8 mV) @ 1 Pa
Impedance: 180 ohms



TWO-YEAR LIMITED WARRANTY:  Omnitronics, LLC. (“ASTATIC”) hereby warrants that this product will be free of defects in material and workmanship for a period of two years from the date of purchase. In the unlikely event a defect occurs ASTATIC will, at its option, either repair or replace with a new unit of equal or greater value. You should retain proof of purchase to validate the purchase date and return it with any warranty claim. Return warranty claims carefully packed, insured and prepaid to the Service Department, 341 Harbor St. • Conneaut, OH 44030.This warranty excludes exterior finish or appearance, damage from abuse, misuse of the product, use contrary to ASTATIC’s instructions or unauthorized repair. All implied warranties or merchantability or fitness for a particular purpose are hereby disclaimed and ASTATIC hereby disclaims liability for incidental, special or consequential damages resulting from the use or unavailability of this product.This warranty gives you specific legal rights and you may also have other rights which vary from state to state. Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts, so the above exclusions and limitations may not apply to you. Note: No other warranty, written or oral is authorized by Omnitronics, LLC