Manual

Alice 828 Mk3
User Handbook and
Operating Notes
The internal mains power supply is a switch-mode type
operating on any mains voltage from 95v AC to 250v AC.
It supplies 24v DC for the electronics and drives a separate
switch-mode regulator for 48V phantom power.
Individual switches are provided for mains on/off and phantom power.
The mixer is designed for operation on any mains supply. Power
consumption is 5 watts and a 20mm 1A mains fuse is fitted in a holder
on the power supply PC board situated behind the meters. Access to
the power fuse is by removing the base-plate which is secured with
4 X M4 bolts.
A captive three core mains cable is fitted; the signal and chassis
earths are connected to the mains earth and this should always be
connected to ground via 3-pin mains plug and fused at 2 amps.
The internal power supply gives 24 volts stabilised DC for the
electronics and for meter illumination, 48 volts DC for the phantom
power supply to the microphone inputs is supplied via a further
DC/DC converter on the monitor board.
Power supply
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