AUDAC COM12 Mk2 User manual

COM12/24 Mk2
User Manual
www.audac.eu

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Index
Introduction 5
COM12/24 Block Diagram 6
Precautions 7
Safety requirements 7
Caution servicing 7
EC Declaration of Conformity 7
Waste of Electrical and Electronic Equipment (WEEE) 8
Caution 8
Chapter 1: Pin connections and connectors 9
Connection standards 9
Chapter 2: Front & rear panel 11
Front panel overview 11
Front panel description 11
Rear panel overview 12
Rear panel description 12
Chapter 3: Setting up the system 14
Connecting the loudspeakers 14
Connecting the audio sources 14
Priorities 16
Phantom power 16
Using the priority mute contact 17
Pre-announcement chime selection 17
Chapter 4: Additional information 18
Technical specifications 18
Notes 20

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Introduction
Public address amplifiers
The COM12/COM24 public address amplifier was developed as an easy to use, flexible
solution for multifunctional use.
During the development of the COM12/COM24, the AUDAC-engineers wanted to achieve
fourn goals:
- Delivering a flexible audio solution to control multiple functions
- Easy to use
- Excellent sound quality
- Modern and advanced design
The COM12/COM24 has 2 stereo unbalanced line level inputs, 2 mono balanced line level
inputs, 2 mono balanced line level inputs with priority settings and phantom power, 5 high
impedance 100V mono output zones, 1 low impedance 4ohm mono output zone, a link input
and output, an amp input and pre-amp output, a remote microphone input and the possibility
to connect a telephone pager unit.
The COM12/COM24 can be used in commercial applications such as restaurants, hotels,
shops, warehouses, professional offices, public buildings, …
A simple example: when installed in a shop, you could connect: a tuner to play your favorite
radiostation, a microphone to make announcements, a telephone pager, … and off course
the doorbell of the shop.

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COM12/24 Block diagram

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Precautions
READ FOLLOWING INSTRUCTIONS FOR YOUR OWN SAFETY
ALWAYS KEEP THESE INSTRUCTIONS. NEVER THROW THEM AWAY
ALWAYS HANDLE THIS UNIT WITH CARE
HEED ALL WARNINGS
FOLLOW ALL INSTRUCTIONS
NEVER EXPOSE THIS EQUIPMENT TO RAIN, MOISTURE, ANY DRIPPING OR SPLASHING
LIQUID. AND NEVER PLACE AN OBJECT FILLED WITH LIQUID ON TOP OF THIS DEVICE.
DO NOT PLACE THIS UNIT IN AN ENCLOSED ENVIRONMENT SUCH AS A BOOKSHELF
OR CLOSET. ENSURE THERE IS ADEQUATE VENTILATION TO COOL THE UNIT. DO NOT
BLOCK THE VENTILATION OPENINGS.
DO NOT STICK ANY OBJECTS THROUGH THE VENTILATION OPENINGS.
DO NOT INSTALL THIS UNIT NEAR ANY HEAT SOURCES SUCH AS RADIATORS OR
OTHER APPARATUS THAT PRODUCE HEAT
DO NOT PLACE THIS UNIT IN ENVIRONMENTS WHICH CONTAIN HIGH LEVELS OF DUST,
HEAT, MOISTURE OR VIBRATION
THIS UNIT IS DEVELOPED FOR INDOOR USE ONLY. DO NOT USE IT OUTDOORS
PLACE THE UNIT ON A STABLE BASE OR MOUNT IT IN A STABLE RACK
ONLY USE ATTACHMENTS & ACCESSORIES SPECIFIED BY THE MANUFACTURER
UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG
PERIODS OF TIME
ONLY CONNECT THIS UNIT TO A MAINS SOCKET OUTLET WITH PROTECTIVE
EARTHING CONNECTION
EC DECLARATION OF CONFORMITY
This product conforms to all the essential requirements and further
relevant specifications described in following directives: 2004/108/EC
(EMC) and 2006/95/EC (LVD)
CAUTION - SERVICING
This product contains no user serviceable parts. Refer all servicing to
qualified service personnel. Do not perform any servicing (unless you
are qualified to)

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CAUTION
The symbols shown are internationally recognized symbols that warn about potentional
hazards of electrical products. The lightning flash with arrowpoint in an equilateral
triangle means that the unit contains dangerous voltages. The exclamation point in
an equilateral triangle indicates that it is necessary for the user to refer to the users
manual.
These symbols warn that there are no user serviceable parts inside the unit. Do not
open the unit. Do not attempt to service the unit yourself. Refer all servicing to qualified
personnel. Opening the chassis for any reason will void the manufacturer’s warranty. Do
not get the unit wet. If liquid is spilled on the unit, shut it off immediately and take it to a
dealer for service. Disconnect the unit during storms to prevent damage.
WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
The WEEE marking indicates that this product should not be disposed
with regular houshold waste at the end of its life cycle. This regulation
is created to prevent any possible harm to the environment or human
health.
This product is developed and manufactured with high quality materials
and components which can be recycled and/or reused. Please
dispose this product at your local collection point or recycling centre
for electrical and electronic waste. This will make sure that it will be
recycled on an environmentally friendly manner, and will help to protect
the environment in which we all live.

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Chapter 1
Pin connections and connectors
CONNECTION STANDARDS
The in- and output connections for AUDAC audio equipment are performed corresponding
to international wiring standards for professional audio equipment.
RCA (Cinch):
For unbalanced line input connections.
Tip: Signal Sleeve: Ground
White: Left Red: Right
XLR:
For balanced signal input connections
Pin 1: Ground
Pin 2: Signal +
Pin 3: Signal -
6.3 mm (1/4”) balanced Jack:
For balanced line in & output connections.
Tip: Signal +
Ring: Signal -
Sleeve: Ground
6.3 mm (1/4”) unbalanced Jack:
For unbalanced line in & output connections.
Tip: Signal
Sleeve: Ground

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