4
Description
The GDU150 is a dynamic, gooseneck
microphone that features a durable all-
metal case with a non-glare black finish.
It has a 10-
1
/4" long, fully flexible neck
with an integral XLR mounting base.
Features
• Cardioid pickup pattern
• Outstanding speech intelligibility,
feedback rejection, and user sound isolation
• High sound pressure capability and low sensitivity to
breath/pop noise
• Superior shock-mount system to reject handling and
transmission noise
• Rugged, reliable construction
• Integral multi-layer breath/wind filter
• Durable all-metal case with non-glare black finish
• Silent push-on/push-off talk switch on base
Specifications
MIC Type: Gooseneck
Element: Moving coil dynamic
Polar Pattern: Cardioid
Impedance: 500-ohm
Frequency: 100 Hz to 12 kHz
Sensitivity*: -75 dB +/- 3dB
S/N Ratio: >65 dB
Connector: XLR Male
Switch: Push-on/push-off talk switch on base
Dimensions: 17" L x 1-
1
/4" Dia.
Product Weight: 1 lb.
Material: Zinc
Finish: Non-glare black finish
* (0dB=1V/BAR 1,000 Hz indicated by open circuit)
GDU150 - Dynamic Gooseneck
Frequency Response Graph
Polar Graph
Description
The GCU250 is a high performance,
partially-rigid, 18-
1
/4" long gooseneck con-
denser microphone capable of meeting
the stringent demand of today's
conference and PA systems. It is an intel-
ligent choice for sound reinforcement
applications. It has an integral XLR male
connector mounting base and requires a
9V - 52V DC phantom power source.
Slim and compact, the GCU250 is
designed to minimize intrusion between
the user and the audience.
Features
• Phantom power-operated
• Cardioid pickup pattern
• Clean, accurate vocal reproduction with low ambient noise
• Snap-on windscreen
• Wide frequency response with rich treble and bass
• Thin, unobtrusive construction for close-up use
• Breath/wind filter included
• Durable all-metal case with non-glare black finish
Specifications
MIC Type: Gooseneck
Element: Back electret condenser
Polar Pattern: Cardioid
Impedance: 250-ohm
Frequency Response: 50 Hz to 18 kHz
Sensitivity*: -65 dB +/- 3dB
Max SPL @ 1% THD: >130 dB
S/N Ratio: >65 dB
Phantom Voltage Req: 9V - 52V DC
Connector: XLR Male
Dimensions: 18-
1
/4" L x
3
/4" Dia.
Product Weight: 4 oz.
Material: Copper
Finish: Non-glare black finish
* (0dB=1V/BAR 1,000 Hz indicated by open circuit)
GCU250 - Condenser Gooseneck
Frequency Response Graph
Polar Graph