HSMA / HDMA / HMMA PLAY Series
Mixer Amplifiers with Multi-Player
7
If anything damaged during transport, notify the shipper immediately and keep
packing material for inspection. Again, please save its carton and all packing
materials. If the unit must be returned to the manufacturer, it is important that
the unit is returned in the original manufacturer’s packing. Please do not take any
action without rst contacting us.
Our products are subject to a continuous process of further development. There-
fore modications to the technical features remain subject to change without
further notice.
2.2. First Start-Up
When starting up the mixer amplier for the rst time, please proceed as follows:
1. Turn down the master volume.
2. Turn down the attenuator of each zone.
3. Connect the amplier to a power source. Turn on the power switch. The power
indicator will light.
4. Adjust the master volume to half level as rst regulation.
5. Adjust the zone volume on the amplier until you reach the volume you want.
If you need to change the wiring or installation, make sure to disconnect the
power line of the equipment rst.
6. Adjust volumes source levels according to you needs, and nally adjust again
zone levels and master level once reached the desired levels.
2.3. Phantom Power
Turn on the Phantom Power Switch to supply for all input interfaces of the micro-
phone (+48V). It is not recommended to turn on in normal use, but only when
using MIC2, MIC3 and MIC4.
3. PRODUCT OVERVIEW
Helvia HSMA / HDMA / HMMA Play Series bring a wide oer of integrated PA
Sound Reinforcement solutions with digital ampliers in class-D with processing,
zone number from 1 to 4 with 100V outputs, rated powers between 120W and
350W total, an overall 4-16Ω power output and a whole series of features such as
DAB+receiver, BT audio streaming, USB player, FM radio, mixer with 1 front Mic
input with priority, 3 Mic/Line inputs, +48V Phantom Power, 2 stereo Aux Inputs,
Level Attenuators for each zone, EMC input at 100V, auxiliary power supply at
+24V DC.
In short, these new mixer-ampliers enclose in 2 standard 19 “units (rack-ear kit
included) everything required for a simple and ecient small-to-medium multi-
zone installation.