Operation – Mojave Audio MA-100SP User Manual

Page 4

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OPERATION

When plugging the microphone in, the seven-pin XLR connectors between the microphone and
the power supply should be inserted gently into their corresponding sockets. Rough handling,
misaligned orientation, or trying to force the connections together too quickly could result in
bent pins.

Operation Tip!
Your MA-100 was thoroughly checked and burned-in before leaving the factory. We recommend
that before using your MA-100 for the first time, you connect the microphone to the power
supply and let it warm up for at least thirty minutes. This will drive out any residual moisture
that may have collected on the internal components during shipping or storage. Moisture build-
up on the capsule or on the other high-impedance components within the microphone can cause
random noise or static.

Also note that if the MA-100 is being used with phantom powered microphones in a multiple
microphone setup, phantom power may be applied to the channel connected to the MA-100
without ill effect, provided that your standard 3-pin microphone cables are wired properly.

A grounded power cord is used to connect the power supply to the electric power line. MA-100
power supplies are shipped pre-wired for standard AC voltage in the country where the
microphone is sold. If there is a need to change AC voltage (travel, sale to another country, etc.),
an external switch allows the power supply to be configured for 115 or 230 volts. To check which
voltage your power supply is set for, see the CE sticker on the bottom of the unit. (For
instructions on changing voltage, with pictures, please visit mojaveaudio.com. We strongly
recommend that this work be done by a qualified technician.)

"Hot plugging" any vacuum tube microphone can damage the mic’s electronics, so always be
sure to connect the microphone to the power supply with its multi-conductor cable before turning
the power supply on.

AC LINE FUSE

A spare fuse is included with your MA-100 power supply. It is located in the fuse carrier just
above the AC receptacle. To access the fuse, gently pry out the carrier with a flat bladed
screwdriver. The fuse is mounted in the clip and the spare is located is a small channel behind the
cover. Replace the fuse with the same type as supplied with your microphone.

MAINS VOLTAGE

FUSE TYPE

100 -120 Volts AC

T500mAL

220 Volts AC

T250mAL

In the rare event that you experience fuse failure, identify the cause of the failure before using
the microphone again! The most common cause for a fuse to fail would be a damaged

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