1. IMPORTANT NOTE
Congratulations! You have acquired the result of painstaking design and manufacturing.
Thank you for having chosen our CA40 micro amplifier.
In order to get the optimum operation and efficiency from your product, it is VERY
IMPORTANT - before you plug anything - to read this manual very carefully and take seriously into
account all considerations specified within it.
We strongly recommend that its maintenance be carried out by our Authorised Technical
Services.
1.1. Compliance with international standards
The CA40 micro amplifier complies with the following international standards:
EN55103-1 Electromagnetic Compatibility.
Product family standard for audio, video, audio-visual and entertainment lighting control
apparatus for professional use
Part 1: Emission
EN55103-2 Electromagnetic Compatibility.
Product family standard for audio, video, audio-visual and entertainment lighting control
apparatus for professional use
Part 2: Immunity
EN60065 Audio, video and similar electronic apparatus. Safety requirements
Complying with the requirements of directives 73/23/EC and 2004/108/EC
2. INTRODUCTION
The CA40 is a very small stereo amplifier with numerous remotely controlled functions (RS-232
serial port, infrared receiver, 0-10 VDC remote control port), and is ideal for integrating audiovisual
applications with other devices: educational classes, meeting rooms and multimedia presentations,
business premises, etc.
Main characteristics:
2 x 20 W RMS @ 4 amplifier
Universal external power source
AUTO STANDBY function: in the absence of an audio signal the unit automatically goes into
STANDBY mode, minimising power consumption
Lightweight, silent, high-performance amplifier (fan-free convection cooling)
Suitable for stereo, parallel, and bridged mono operation
1 balanced microphone input, with high quality preamplifier, Phantom power supply, noise gate
and "talkover" function or priority over the rest of the input
2 stereo lines (not balanced)
2-band independent tone control (Bass, Treble) for the microphone in-jack and 1&2 line-in
connection.
Auxiliary output for liaison with other amplifiers or external audio devices
Local control by digital rotary knob ("encoder")
Remote control by infrared remote control
Remote control by WPmVOL or WPmVOL-SR (0-10 VDC) wall panel
RS-232 control port
MUTE port to silence the entire unit by closing external contact
4