3
Ordercode: D4512
CA-4150
Avoid ground loops! Always be sure to connect the power amps and the mixing console to the
same electrical circuit to ensure the same phase!
Before changing the ground, always turn off your amplifier.
Connecting amplifier outputs to oscilloscopes or other test equipment, while the amplifier is in bridge
mode, may damage both, the amplifier and test equipment.
Do not connect this device to a dimmer pack.
Do not drive the inputs with a signal level higher than required to drive the equipment to full output.
Do not insert objects into air vents.
Do not open the device and do not modify the device.
Do not open this device. Risk: hazardous radiation exposure.
Do not switch the system on and off in short intervals, as this would reduce the system’s life.
Do not put your equipment next to TV, radio, etc., because of interference or distortion.
If device is dropped or struck, disconnect mains power supply immediately. Have a qualified
engineer inspect for safety before operating.
If the system has been exposed to drastic temperature fluctuation (e.g. after transportation), do not
switch it on immediately. The arising condensation water might damage your system. Leave the
system switched off until it has reached room temperature.
If you connect other parts of the system, beware ground loops.
If your Dap Audio device fails to work properly, discontinue use immediately. Pack the unit securely
(preferably in the original packing material) and return it to your Dap Audio dealer for service.
In system setup, the amplifier's output power must be 50%-100% higher than the loaded loudspeakers
rated power.
In typical use, please set the volume to 0dB position.
Make sure that the amplifier is turned down, before turning the power on or off. In this way you can
avoid supersonic frequencies, which could damage your speakers.
Make sure that the available voltage is not higher than stated on the rear panel.
Make sure that the power cord is never crimped or damaged. Check the device and the power
cord from time to time.
Make sure that the signals coming into the mixer are balanced, otherwise hum could be created.
Make sure you do not use the wrong kind of cables or defective cables.
Make sure you use DI boxes to balance unbalanced signals; All incoming signals should be clear
Never let the power cord come into contact with other cables! Handle the power cord and all
connections with the mains with particular caution!
Never remove warning or informative labels from the unit.
Never use anything to cover the ground contact.
Only use device indoors, avoid contact with water or other liquids.
Please read this manual carefully and keep it for future reference.
Please turn off the power switch, when replacing the power cord, signal cable or selecting the input
mode switch.
Prevent distortion! Make sure that all components connected to the device have sufficient power
ratings. Otherwise, distortion will be generated because the components are operated at their limits.
Sometimes, when you want to send one signal to more than one amplifier, you should use a signal
distributor.
The best way to avoid ground loops is connecting the electrical system ground to one central point
("star" system). In this case the mixer can act as a central point.
This device falls under protection class I. Therefore it is essential to connect the yellow/green
conductor to earth.
The user is responsible for correct positioning and operating of the CA amplifier. The manufacturer
will not accept liability for damages caused by the misuse or incorrect installation of this device.
Repairs, servicing and electric connection must be carried out by a qualified technician.
WARRANTY: Till one year after date of purchase.
Summary of Contents for CA-4150
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