LEFT SIDE PANEL
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Balanced channel inputs
– four electronically balanced circuits (transformer balanced is optional)
in phase with one another. XLR connectors should be wired as pin1 ground, pin2 +phase signal and
pin3 –phase signal.
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Microphone powering selector switches
– The input sensitivity in position D is DYN 200 = 0.2 mV
and no power. Selected 48, 12, T, mic powering, 10 dB of attenuation is automatically introduced,
considering the sensitivity of condenser mics.
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Phase reverse switches
– Intended to compensate for a phase error due to wiring or mic
placement.
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Phantom on / off switch
– The current consumption of the phantom power supply is 13 mA.
Phantom power supply may be switched off (only if using dynamic, wireless of T powering mics) to
increase the lifelength of the internal batteries between two chargings.
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Attenuation switches
– The gain of the mic preamplifiers may be decreased by –10 dB in position
D. In positions 48, 12 and T the attenuation is –13 dB.
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Mic / line level sw itches
– Selects mic or line to add –60 dB attenuation before the mic
preamplifiers.
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Optional NP1 Battery Holder
– The switched mixer supply is derived either from the internal AA
batteries or from NP1 battery depending on the position of the panel side switch.
