Bogen HDU250 Service Manual

Model HDU250

Professional Handheld Stage

Microphone

50 Spring Street, Ramsey, NJ 07446, U.S.A.
201-934-8500; Fax: [phone]
E-mail: [e-mail] / Web Site: www.bogen.com

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 mod­ified 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 201-934-8500. 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 U.S.A. 0101
© 2001 Bogen Communications, Inc.
54-2046-01R1
Specifications subject to change without notice.

FREQUENCY RESPONSE GRAPH

DESCRIPTION

The HDU250 is a dynamic, uni-directional handheld microphone ideal for acoustically­demanding environments. It features a heavy zinc die cast case with a rigid, low noise cable­mount system and a lockable silent reed switch. It has a cardioid pickup pattern and an extra
low handling noise, floating shock-mounted Neodymium capsule.The HDU250 has high sound
pressure capability without distortion and a low sensitivity to breath/pop noise.The HDU250
has a rubberized black finish.

POLAR GRAPH

SPECIFICATIONS

MIC Type: Handheld
Element: Moving coil dynamic
Polar Pattern: Uni-directional
Impedance: 250-ohm
Frequency Response: 50Hz to 18kHz
Sensitivity*: -72dB +/- 3dB
S/N Ratio: Over 65dB
Cable: XLR Male

pin 1 = shield (gnd), pin 2 = signal (+), pin 3 = signal (-)

Switch: With sliding-type on/off switch

(lockable, silent reed switch)
Dimensions: 7” H x 1-1/4” Dia.
Product Weight: 1 lb.
Material: Zinc die cast
Finish: Rubberized black finish

* (0dB=1V/microbar 1,000 Hz indicated by open circuit)

0˚

330˚ 30˚

300˚

270˚

240˚

210˚

180˚

150˚

60˚

120˚

90˚

dB

Frequency Response, Magn dB re 1 V/microbar

-60

-70

-80

-90

-100

-110
20

= 0o on axis
= 180o off axis

200 2

1

K Hz

K

20K