AUDAC PRE116 User manual

PRE116/126

User Manual

www.audac.eu

ADDITIONAL INFORMATION

This manual is put together with much care, and is as complete as could be on the

publication date. However, updates on the specifications, functionality or software may

have occurred since publication. To obtain the latest version of both manual and software,

please visit the Audac website @ www.audac.eu.

Index

Introduction 5

Precautions 6

Safety requirements 6

Caution servicing 6

EC Declaration of Conformity 6

Waste of Electrical and Electronic Equipment (WEEE) 7

Caution 7

Chapter 1: Pin connections and connectors 9

Connection standards 9

Chapter 2: Front & rear panel 10

Front panel overview 10

Front panel description 10

Rear panel overview 11

Rear panel description 11

Chapter 3: Additional information 13

Technical specifications 13

Notes 15

Introduction

6-Channel stereo preamplifiers

The PRE1xx series are simple but versatile preamplifiers, offering a multifunctional solution

for installations where multiple voice and music sources need to be mixed to one or two

(only PRE126) output zones. The stereo design with six inputs allows connecting any type

of audio source such as microphones, portable devices with Bluetooth and various balanced

or unbalanced line level audio sources.

Channels one and two are balanced inputs, allowing connection of microphone and line level

audio sources. They feature 3-band tone control, phantom power and talk over for priority

announcements. The other inputs are one balanced and three unbalanced stereo line inputs

allowing connection of any line level audio sources.

An integrated Bluetooth receiver and a front panel 3.5mm jack offers convenient wired

or wireless connection possibilities for mobile and portable devices including laptops,

smartphones and tablets.

A master volume control for the output(s) including 2-band tone control and LED VU bar is

located on the front panel, also accommodating each inputs mixing dial. On the back of the

preamplifier is a priority mute contact that suppresses all (non-priority) music sources in

case of contact closure, allowing linking autonomous alarm systems.

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

THE MAINS PLUG OR APPLIANCE COUPLER IS USED AS THE DISCONNECT DEVICE, SO

THE DISCONNECT DEVICE SHALL BE READILY OPERABLE

EC DECLARATION OF CONFORMITY

This product conforms to all the essential requirements and further

relevant specifications described in following directives: 2014/30/EU

(EMC) and 2014/35/EU (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)

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.

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.

Cinch (RCA):

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 -

3-Pin Terminal Block:

For balanced signal input & link output connections.

Left: Signal - (XLR Pin 3)

Center: Signal + (XLR Pin 2)

Right: Ground (XLR Pin 1)

For balanced line output connections:

For unbalanced line output connections:

Chapter 2

Front & rear panel

Front panel overview

Front panel description

Input mixing controls:

Using the input mixing controls, the individual level for each input can be adjusted. Each

input control is provided with a clip indicator LED which illuminates when the maximum level

(clipping) is almost reached. To ensure the best signal-to-noise ratio, illumination of this

indicator should only occur at peak levels. When it illuminates frequently, the channel will

be overdriven and a distorted ‘clipping’ sound will occur.

Signal routing selection buttons (only PRE126):

The signal routing buttons located on the right side of each input mixing control (indicated

with ‘Z1’ and ‘Z2’) are used for selection for routing each input to one or both output channels

(only PRE126). Press this button to enable the input routing to the corresponding output. The

corresponding routing indicator LED illuminates when routed.

Bluetooth (CH3):

The integrated Bluetooth receiver is mixed with channel 3, and contains a pairing button

besides the input mixing control. This allows connection of the pre-amplifier with any

supporting audio source device such as smartphone or tablet. The LED positioned on top of

this button indicates the current operation mode. When non illuminating, the device cannot

be discovered by (new) Bluetooth devices. When blinking, the device is not connected but

can be discovered by Bluetooth devices, and when illuminated it is connected and doesn’t

allow pairing with another device.

When pairing with your device for the first time, the ‘PAIR’ button should be pressed and the

LED will start blinking for about 2 minutes. During this period, the device can be discovered

and is indicated as Bluetooth ID ‘AUDAC PRE series’. When both devices have been paired

before, the transmitter will be recognized by the receiver and it will allow continuous pairing

without pressing the ‘PAIR’ button.

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