TABLE GOOSENECK
MICROPHONES
INVOTONE GM-300 professional table conference
microphone
- back electret condenser capsule delivering bright, clean
sound, high sensitivity, low self-noise as well as
hyper-strong pickup
- flexible gooseneck altering smoothly and quietly
- powered by phantom power supply
- microphone can be used separately or adopted into the
conference system projects
- Hi-Fi sound
- high sensitivity & low self-noise
- hyper-strong sound pickup
- attractive exterior, convenient installation & easy
operation
- balanced output circuit
applications: large-scale conferences, public addresses,
outdoor speeches
SPECIFICATION:
Element: Back Electret Condenser
Polar Pattern: Uni-directional
Frequency Response: 50Hz-16kHz
Sensitivity: -38dB
±
3dB (0dB=1V/Pa at 1kHz)
Output Impedance: 250
Ω±
30%
Phantom Power Requirement: 9v-25V Phantom Power
FREQUENCY RESPONSE GRAPH:
OPERATION:
X L R F
X L R M
X L R F
P H A N T O M P O W E R
S U P P L IE R
T A B L E G O O D S E N E C K
M I C R O P H O N E
A M P L IF IE R ,
M IX E R ,
P O W E R A M P L IF IE R
USAGE:
1. If use the phantom power, please connect the parts
according to the drawing.
2. Connect the microphone to its base.
3. Plug the XLR connector of the attached cable, connect
the microphone to a mixer.
4. Turn the volume control down to zero, turn on the
power switch both the mixer and microphone, adjust
the volume.
5. The best distance from the microphone cartridge
should be kept at 5 to 30 cm.
CAUTION:
1. When the cartridge is covered by hand, or close to
speakers it may cause howling noise, when this
happens, simply turn down the volume, take the
microphone further away from the speakers, and let
the cartridge not face the speakers.
2. Due to the high sensitivity of the gooseneck
microphone, do not drop it from high or collide.
3. Avoid keep it in high temperature and humidity.
-3 0
-4 0
-5 0
-6 0
-7 0
(dBV/Pa)
2 0
2K
20K
50
100
2 00
500
1 K
5 K
(Hz)
Fre quency R esponse Graph
