631L

Primary use:

Type:

Polar patterns:

Common name: Astatic 631L

Production Status: In production

The 631L is a noise cancelling dynamic microphone designed for close talking, hand held applications in sound installations where background noise is a problem. The frequency response is especially tailored for voice communications. 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, alkalies and solvents. The microphone is molded in high impact Cycolac and comes with a permanently attached, heavy duty, four conductor, two shielded, coil cord. The 631L is equipped with a simple to operate DPDT long life 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.

Electrical Characteristics

Frequency Response
100Hz - 5 kHz
Output Sensitivity
1 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
200Ω
Recommended Load
1kΩ
Powering
Supply Current
mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
Connector notes
Available Colours
Weight
284 g
Length
100 mm
Min diameter width
Max diameter
66.7 mm
Depth
74.5mm

Accessories

Included
Optional