AUDAC CAP412 Instrucciones de instalación y funcionamiento
PROFESSIONAL AUDIO EQUIPMENT
CAP412 Four Channel 100V Power Amplifier
User Manual &
Installation Guide
C
A
P412
4 x 100V Power Amplifier
AUDAC
CAP412
AUDAC PROFESSIONAL AUDIO EQUIPMENT
User Manual & Installation Guide
AUDAC
http://www.audac.eu
2
INTRODUCTION..................................................................................................................................................................................................................... 3
ENVIRONMENT ...................................................................................................................................................................................................................... 4
SAFETY REQUIREMENTS ................................................................................................................................................................................................... 5
CAUTION –SERVICING...................................................................................................................................................................................................... 5
OVERVIEW FRONT AND REAR PANEL .......................................................................................................................................................................... 6
FRONT PANEL OVERVIEW................................................................................................................................................................................................ 6
REAR PANEL OVERVIEW .................................................................................................................................................................................................. 7
CONNECTING THE AMPLIFIER........................................................................................................................................................................................ 9
INPUT CONNECTIONS ........................................................................................................................................................................................................ 9
CONNECTION STANDARDS .............................................................................................................................................................................................. 9
OUTPUT CONNECTIONS .................................................................................................................................................................................................. 10
BLOCK DIAGRAM ............................................................................................................................................................................................................... 12
ADDITIONAL INFORMATION.......................................................................................................................................................................................... 13
TECHNICAL SPECIFICATIONS ....................................................................................................................................................................................... 13
PERSONAL NOTES............................................................................................................................................................................................................... 14
Index
3
Introduction
This section briefly describes the possibilities of the CAP412 four channel power amplifier.
he CAP412 four channel power amplifier was developed as an easy to use, flexible
solution for multifunctional use.
During the development of the CAP412, the AUDAC-engineers wanted to achieve four goals:
-Delivering a flexible audio solution to control multiple functions
-Offering a user-friendly device
-Guaranteeing an excellent sound quality
-Creating a modern and advanced design
The CAP412 is a professional four channel 100V power amplifier which is capable of
providing 120 Watt to each of the four separate output channels. This creates a great
flexibility and new possibilities for installed Multi-Zone audio distribution systems.
It is designed as a no-nonsense amplifier with only the necessary controls and connections,
which creates great simplicity in use and installation. Every output channel contains different
power taps to be used in 100 Volt, 70 Volt and even 4 Ohm low impedance applications, and
the input signal connections are performed using balanced XLR connectors, allowing link
through to other amplifiers.
Besides all the desired connection possibilities, the CAP412 also offers a gain control
potentiometer and a high-pass filter switch (400Hz) on the back of the unit. A built-in
multipurpose protection circuit protects against DC malfunction, short circuit, overheating,
overload, and limits the signal when necessary.
T
4
Environment
Do not place this unit in an enclosed environment such as a bookshelf or closet. Ensure
that there is adequate ventilation to cool the unit. Do not block the ventilation openings.
Do not place the unit in environments which contain high levels of dust, heat, moisture or
vibration.
Do not use the unit near water or other liquids. Make sure no water or other liquids can be
spilled, dripped or splashed on the unit.
This unit was developed for indoor use only. Do not use it outdoors.
Do not place objects on top of the unit.
Place the unit on a stable base.
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5
Safety Requirements
Always handle the unit with care.
Only use a grounded socket outlet and a power cord with grounding plug to plug in the
unit.
This unit is not a toy. It should not be operated by children.
Do not stick objects through the openings of the CAP412
Do not open the unit (risk for electrical shock).
CAUTION – SERVICING
This unit contains no user serviceable parts. Refer all servicing to qualified
service personnel. Do not perform any servicing unless you are qualified to do
so.
Note
This product conforms to the following European Standards: EN 50081-1: 1992, EN
50082-1: 1992, EN 60065: 199
6
Overview front and rear panel
Front panel overview
CAP412
Description
1. Power switch:
By means of the power switch, the amplifier can be turned ON and OFF. When the amplifier is
switched on, the blue LED located next to the power button will illuminate.
2. Indicator LED’s:
These four LED’s indicate the operation of the amplifier. The green Signal LED illuminates
whenever a signal is present, while the -20dB LED illuminates when the input signal exceeds the -
20 dBu level. The Clip LED illuminates when the corresponding channel is working at maximum
level. To ensure the best signal-to-noise ratio, the Clip LED may only illuminate at peak levels.
When the Clip LED illuminates frequently, the amplifier will be overloaded, a distorted “Clipping”
sound will be available on the output. The Protection LED will illuminate when overheating
occurs, or any other fault is detected. When the protection LED is illuminated, no signal will be
available on the outputs. The protection LED’s will also illuminate for a few seconds when
powering up the amplifier, and when the amplifier is switched off they will slowly fade out.
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1. Power switch
2. Indicator LED’s
7
Rear panel overview
Description
3. AC Power inlet with fuse:
The mains power supply (100~240V AC / 50~60Hz) has to be applied to this AC power inlet.
The connection is made by an IEC power connector and is fitted with a fuse. When replacing the
fuse, make sure that the value of the replacement fuse matches the value of the original fuse.
(T6.3H/250V)
4. High pass filter switch:
By means of this switch, the integrated High Pass Filter (HPF) can be switched ON and OFF.
When the filter is switched ON, frequencies below 400Hz will be suppressed.
This can be useful for eliminating low-frequency hum and noise caused by external equipment and
protects speakers from damage caused by excessive low frequency transients.
5. Gain control potentiometer:
By means of these potentiometers, the level of each input signal can be adjusted. Make sure the
level for every channel is set correctly so no clipping occurs.
6. Loudspeaker connections:
The loudspeaker output connections are performed using Euro Terminal Blocks, and provide the
possibility for connecting low impedance (4 Ohm) loudspeakers as well as High impedance (100V
/ 70V) loudspeakers.
3.
A
C
p
ower inlet with fuse
6. Louds
p
eaker connections
4. Hi
g
h
p
ass filter switch 5. Gain control
p
otentiometer
7. In
p
ut connections
8
7. Input connections:
The input connections of the amplifier are performed using balanced XLR connectors. Every
channel has an XLR input connector and a XLR link output connector. The input signal from the
signal source, pre-amplifier or mixer should be connected to the XLR input connections. And by
means of the XLR link output connectors, the signal can be linked through to multiple amplifiers.
9
Connecting the Amplifier
Note
When connecting the amplifier, make sure the power button is switched OFF.
Input connections
The input connections of the amplifier are performed using balanced XLR connectors. Every
channel has an XLR input connector and a XLR link output connector.
The input signal from the signal source, pre-amplifier or mixer should be connected to the XLR
input connections. And by means of the XLR link output connectors, the signal can be linked
through to multiple amplifiers.
Connection standards
The in- and output connections of AUDAC audio equipment are performed corresponding to
international wiring standards for professional audio equipment.
XLR:
1 = ground / shield
2 = +sig
3 = -sig
XLR female:
XLR male:
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