Model GDU
1
50
Dynamic Gooseneck
Microphone
50 Spring Street, Ramsey,
NJ
07446, U.S.A.
20
1
-934-8500; Fax: 20
1
-934-9832
Web Site: www.bogen.com
-70
-80
dB
-90
-100
-110
-120
20
1K
Hz
200
2K
20K
Frequency Response, Magn dB re 1 V/microbar
= 0
o
on axis
= 180
o
off axis
OFF
ON
LIMITED WARRANTY
Bogen microphones are warranted to be free from defects in material or workmanship provided that the product has not been subjected to abuse or accident or altered in any way for one
(
1
) year from the date of sale to the original purchaser.Any part of the product covered by this warranty that, with normal installation and use, becomes defective will be repaired or replaced
by Bogen, at our option, provided the product is shipped insured and prepaid to: Bogen Factory Service Department, 50 Spring Street, Ramsey,
NJ
07446, USA.The product will be returned
to you freight prepaid.This warranty does not extend to any of our products that have been subjected to misuse, improper storage, neglect, accident, improper installation or have been mod-
ified or repaired in any manner that Bogen believes may affect the reliability of the product, or where the serial number or date code has been removed or defaced.
THE FOREGOING LIMITED WARRANTY IS BOGEN'S SOLE AND EXCLUSIVE WARRANTY AND THE PURCHASER'S SOLE AND EXCLUSIVE REMEDY. BOGEN MAKES NO OTHER
WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY
DISCLAIMED AND EXCLUDED. Bogen's liability arising out of the manufacture, sale or supplying of products or their use or disposition, whether based upon warranty, contract, tort or
otherwise, shall be limited to the price of the product. In no event shall Bogen be liable for special, incidental or consequential damages (including, but not limited to, loss of profits, loss of
data or loss of use damages) arising out of the manufacture, sale or supplying of products, even if Bogen has been advised of the possibility of such damages or losses.
Products that are out of warranty will also be repaired by the Bogen Factory Service Department -- same address as above or call 20
1
-934-8500. The parts and labor involved in these
repairs are warranted for 90 days when repaired by the Bogen Factory Service Department. All shipping charges in addition to parts and labor charges will be at the owner's expense.
Printed in the Philippines.
0308
© 2003 Bogen Communications, Inc.
54-2042-0
1
B
Specifications subject to change without notice.
30˚
0˚
180˚
330˚
60˚
300˚
90˚
270˚
240˚
210˚
120˚
150˚
FREQUENCY RESPONSE GRAPH
DESCRIPTION
The GDU
1
50 is a dynamic, uni-directional gooseneck microphone that features a
durable all-metal case with a non-glare black finish. It has an
1
8" long, fully flexible
gooseneck body with an integral XLR mounting base.The GDU
1
50 has a silent push-
on/push-off talk switch. It provides outstanding speech intelligibility, feedback rejec-
tion, user sound isolation, and a low sensitivity to breath pop noise.The GDU
1
50 has
a superior shock-mount system to reject handling and noise transmission.
POLAR GRAPH
SPECIFICATIONS
MIC Type:
Gooseneck
Element:
Moving coil dynamic
Polar Pattern:
Uni-directional
Impedance:
500-ohm
Frequency:
1
00 Hz to
1
2 kHz
Sensitivity*:
-75 dB +/- 3 dB
S/N Ratio:
>65 dB
Special Features:
With sliding-type on/off switch
Cable:
XLR Male
pin
1
= shield (gnd), pin 2 = signal (+), pin 3 = signal (-)
Switch:
Push-on/push-off talk switch
Dimensions:
1
9
1
/
4
" H x
1
1
/
4
" Dia.
Product Weight:
1
lb.
Material:
Copper
Finish:
Non-glare black finish
* (0 dB=
1
V/microbar
1
,000 Hz indicated by open circuit)
