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SP Controls, Inc.
Pin-Out, Unbalanced Microphones
Pin-Out, Unbalanced Microphones
For single ended, unbalanced microphones connect the (+) on le most pin 1 and (-) on the
center most pin 2. Next, create a short jumper between (-) and Ground, pin 3.
Phantom Power
Phantom Power
Phantom Power, Dip Switch Se ngs
Phantom Power, Dip Switch Se ngs
Condenser microphones require power. Power can be provided by internal ba eries or supplied
by the source device via a concept called “Phantom Power”. The HF-100 o
ff
ers a feature which
allows users to “enable” power for any or all of the microphones connected by means of a DIP
“piano” style switch.
Press down to enable phantom power on the switch which corresponds to the microphone
connec on which needs the power. In the image above, all microphones have phantom power
disabled
.
Assisted Listening Devices
Assisted Listening Devices
O en, schools are required to provide ADA Assisted Listening devices to augment the sound
reinforcement in the room for those students with certain disabili es. The HF-100 provides a
“Line Output” port that meets this requirement. The 3.5mm jack is located on the back of the
unit as shown in the graphic below.
Jumper
+
_
WARNING: POWER OFF HF-100 BEFORE TO MAKING PHANTOM POWER CHANGES
WARNING: Disable phantom power when using dynamic microphones.
Power injected into these types of microphones may cause damage
to the mic.
