m
101
page 5
PEAK INDICATOR
The LED peak indicator, which monitors the signal at the output of the preamplier, illuminates green at -14dBu
and red at +16dB (10dB before clipping).
TRIM CONTROL
The trim control provides zero to +10dB of continuously variable output trim.
RIBBON SWITCH
Pushing this switch activates ribbon mic mode which optimizes the signal path for non-active ribbon mics. LED
indicator illuminates white when active.
HIGH PASS FILTER
(labeled HPF) 75Hz, 12dB/Octave high pass lter.
POWER STANDBY SWITCH
The power standby switch activates the preamplier circuitry. When depressed, the green POWER LED will il-
luminate.
m101 CONNECTIONS
AC LINE INPUT
A universal input AC supply provides power to the m101 with a voltage range of 100 - 240V, 50-60Hz. A standard
three prong AC power cable is included with the m101. For safety, the power supply cord must be connected to
a grounded outlet.
UNBALANCED ¼” OUTPUT
Unbalanced TS output connector. This output is wired tip signal, sleeve ground.
All three outputs on the rear panel can be used simultaneously!
BALANCED ¼” TRS OUTPUT
Balanced TRS output connector. This output is wired with the tip positive, ring negative and sleeve ground.
It is important to note that if either of the Balanced outputs are to be used unbalanced, a modied cable is
required (see cable diagram 1 and 2 on page 8). It is not recommended to use an unbalanced ¼” plug in the
balanced TRS output jack, because the sleeve of the unbalanced plug will short the inverting output amplier
PUSH
Pb
LEAD FREE
RoHS
COMPLIENT
100-240VAC
MIC INBAL OUTUNBAL OUT BAL OUT
GRACE DESIGN BOULDER, CO USA
5W MAX
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