Astatic 631L Manuel utilisateur

Description

TheAstaticModel631Lisanoisecancellingdynamicmicrophonedesigned

forclosetalking,handheld applications in quality soundinstallationswhere

backgroundnoiseis a problem. Thefrequencyresponse, especially tailored

forvoice communications, providesacrisp, clear,highlyintelligiblesound

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,

convenienthandling, ruggedconstruction andhigh performancefor years

of dependable service.

The dynamic cartridge has a rugged polyester diaphragm which resists

moisture,temperature extremes, mostacids, alkalies andsolvents. Molded

inhighimpactCycolac,theModel631Lcomes with a permanentlyattached,

heavyduty, four conductor, two shielded, coil cord.The631Lhas asimple

tooperate DPDTlong life,trouble freeswitch. TheModel 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.

APPLICATIONS

The Astatic Model 631L, because of its' professional sound and rugged

constructionand highly effectivebackground noisereduction capabilities,

is an excellent choice for any application requiring a hand held, noise

cancellingmicrophones for difficult noise environments such asfactories,

airports,restaurants,mills,etc.andfortwo-waycommunicationsintaxicabs,

buses,airplanes, helicopters,construction, police and fire vehicles, etc.

631L

DYNAMIC NOISE CANCELING

MICROPHONE

CommercialAudioProducts

SPECIFICATIONS FOR 631L

TWO-YEARLIMITEDWARRANTY

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

Specifications

Element:

Dynamicnoise cancelling

Frequency Response:

100to 5000 Hz

Output Level:

-58 dB (0 dB = 1mw / 10 microbars)

-80 dB (0 dB = 1 volt / microbar)

1.0 mV/PA

Impedance:

200 ohms, matches 50 to 1000 ohms

Cable:

Fourconductor,twoshielded, permanentlyattached,

heavy duty, coil cord that extends to 1.8m (6 ft.)

Switch:

Operated by press-to-talk lever, DPDT long life, trouble free switch

withspring return, has smooth feel. Wirednormally open

Housing:

Durablemolded blackCycolac

Dimensions:

100mm(3-15/16") high x 75.4mm (2-3/32) wide x66.7mm (2-5/8")

deep

Weight:

284 grams (10 oz.)

The model 631L may be rewired in the field. If a line-shorting function is

desired, remove the rear housing and add a jumper wire as indicated

46873-26-00/Rev.1/8-5-04/S.W.

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