Valcom V-450 产品宣传页

Issue 6

1

947345

These instructions contain the specifications and
information necessary to install, operate, and maintain
the V-450 Dynamic Omnidirectional Gooseneck
Microphone.

•

 

Valcom Paging Systems

•

 

Dynamic element

•

 

Omnidirectional pickup pattern

•

 

Chrome screen with a black housing

•

 

4 foot, 4 conductor, 2 shield cable permanently
attached

•

 

Pushbutton sealed microswitch

•

 

5/8"-27 mounting thread

•

 

Mounting flange included

•

 

Low impedance (balanced)

•

 

Microphone 1-3/4"D x 4-5/8"L

•

 

Gooseneck 19"L

•

 

1.3 lbs. (.59kg)

•

 

Element

Dynamic

•

 

Pattern

Omnidirectional

•

 

Freq. Response

50 to 12K Hz

•

 

Output Impedance

Lo Z 400 Ohms

•

 

Output Level

Lo Z -58 dB

(0db = 1 mw/10 microbars)

-152 dB EIA

Figure 1 shows the V-450 connected to the Valcom
V-9939 microphone adapter.

Assistance in troubleshooting is available from the
factory.  When calling, you should have a VOM and a
test set available and be calling from the job site. 
Call (540) 563-2000 and ask for Technical Support,
or call (540) 767-1555 for Valcom 24-hour
Automated Support or visit our website at
http://www.valcom.com.

Valcom equipment is not field repairable.  Valcom,
Inc. maintains service facilities in Roanoke, VA. 
Should repairs be necessary, attach a tag to the unit
clearly stating your company name, address, phone
number, contact person and the nature of the problem.
 Send the unit to: