royer 122v, Operation Instructions Manual & User Manual

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User Guide
Using the R-122 Active Ribbon Microphone
The head amplification system used in the R-122 is designed to
operate with standard 48-volt simplex phantom power sources
only.
The microphone will not work at all if phantom power is
not provided to the microphone! This aspect of an active rib-
bon microphone is in sharp contrast to the common wisdom
normally applied to ribbon microphones, where phantom power
usually spells danger or destruction to the ribbon element.
Royer’s active series ribbon microphones require phantom
power to operate.
To ensure long service life for your R-122 active ribbon micro-
phone, care should be taken when connecting the microphone
to a phantom power source. We have prepared a few tips to
ensure that your active ribbon microphone will perform per-
fectly for many years; a general set of good habits that apply to
both active ribbon mics and solid-state condenser microphones.
1. Always be certain that the correct microphone cable is used
with the microphone, and that the cable is in good serviceable
order. Standard microphone cables provide a shielded ground
carried along to Pin-1, and a balanced differential signal carried
along to Pins-2 & 3. Pin-2 is signal hot (in phase) and Pin-3 is
signal cold.
2. Although it is usually safe to “hot plug” most phantom pow-
ered microphones to a preamplifier or console with the phan-
tom activated, we suggest that you de-activate the phantom
power prior to plugging the microphone to the cable, if possi-
ble. This minimizes any chance of random voltage surges enter-
ing the microphone. More importantly, it reduces the possibili-
ty of loud pops being transmitted to your monitor speakers
should the volume control be raised. Serious damage to your
speakers could result from this mistake.
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