Astatic AMC105-2 User manual

Description
The AMC105-2 is a dual zone omnidirectional microphone designed
especiallyforfixedorgooseneckmountinginqualitysoundinstallations.A
smooth,wideband frequency response with a slightintentional"presence"
boost at 2000 Hz gives a "natural", crisp, highly intelligible sound. Two
DPDT sealed micro switches, with color coded buttons for easy
identification,permitspagingintwoareas, and an all-call features obtained
by depressing both buttons simultaneously. TheAMC105-2 is extremely
rugged and reliable, and will stand up under the most strenuous handling
conditions to provide years of dependable service.
TheAMC105-2 is supplied with a 5/8-27 mounting thread, 2.1m (7ft.) of
rugged, synthetic jacketed four conductor, two shielded cable. Black
Cycolac cap, chrome plated screen and black Cycolac housing. A
removable set screw is used to secure the front cap to the microphone
housingand microphone to the gooseneck.
TheAMC105-2 is available in three models.
AMC105-2 LowImpedance, wired normally open.
AMC105-2-13 AMC105-2 on a 330mm (13") gooseneck.
AMC105-2-19 AMC105-2 on a 483mm (19") gooseneck.
DUAL ZONE OMNIDIRECTIONAL
DYNAMIC MICROPHONE
ASTATIC Quality
All AMC105-2 microphones are audio tested and inspected prior to
shipment. Our absolute commitment to quality insures that ASTATIC
microphones remain the BestValuein today's competitive industry.
Operation and Maintenance
TheASTATICAMC105-2 can be cleaned if the housing becomes soiled
byusingaclothdampenedwithisopropylalcohol.Insurepowerisremoved
priorto doing so.
User Techniques and Applications
TheAMC105-2 microphone,becauseof its professional sound and rugged
construction, is an excellent choice for applications requiring dual zone
paging and fixed or gooseneck mounting. This would include fast food
outlets,supermarkets, restaurants, paging stations, factories, warehouses,
etc.
AMC105-2
CommercialAudioProducts

SPECIFICATIONS FOR 105-2
TWO-YEARLIMITEDWARRANTY
Omnitronics, LLC (“ASTATIC”) hereby warrants that this product will be free of defects in material and workmanship for a period
oftwoyearsfromthedateof purchase. In the unlikelyevent a defect occursASTATIC will, at its option, either repair or replace with
anew unit of equal orgreater value.Youshould retain proof of purchaseto validate the purchase dateand return it with anywarranty
claim. Return warranty claims carefully packed, insured and prepaid to the Service Department at the address listed below.
This warranty excludes exterior finish or appearance, damage from abuse, misuse of the product, use contrary to ASTATIC’s
instructionsor unauthorized repair. Allimplied warranties ormerchantability or fitness fora particular purpose arehereby disclaimed
and ASTATIC hereby disclaims liability for incidental, special or consequential damages resulting from the use or unavailability of
thisproduct.
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
aboveexclusions and limitationsmay not applyto you.ALL RETURNS MUSTBE PRE-APPROVED.PLEASECALL 440-593-
1111 FORARETURNAUTHORIZATIONNUMBER.
Note: No other warranty, written or oral is authorized by Omnitronics, LLC.
Specifications
GeneratingElement:
Dynamic
PolarPattern:
Omnidirectional
FrequencyResponse:
50Hz-13kHz
OutputLevel:
-76dB (0dB = 1 volt/ microbar)
1.58mV/PA
Impedance:
Low(400 ohms nominal)
Cable:
2.1m (7ft.) of four connector, two shielded, permanently attached,
rugged jacketed cable.
Switch:
DPDT professional sealed micro switches, operated with simple
push buttons.
Dimensions:
34.9mm(13/8")diameterx115.9mm(4 9/16")
Weight:
198.5grams(7oz.)
Finish:
Black Cycolac cap, chrome plated screen, black cycolac housing.
Phasing:
Positivepressure(movementof the diaphragminward)willgenerate
a positive voltage on the red cable lead with respect to the black
cable lead.
Cableconnections:
Connect cable leads Red and Black to balanced line input, White
and Shield (red button) for relay control for one zone, Green and
Shield (black button) for relay control for the other zone.
46873-56-00 / Rev.1/7-30-04 / S.W.