© Van de Leur Audio Manual Van de Leur Audio 402
Table of Contents Introduction ........................................................................................................................ 3 Guarantee.......................................................................................................................... 3 Safety ................................................................................................................................ 3 Environmental warning ................................................................
Introduction Carefully read this manual before using the product. Use this manual to correctly setup your audio equipment. All the functions and abilities of this product will be described within the next pages. Guarantee All Van de Leur Audio products are built with extreme care. When encountering a problem with this product, read the troubleshooting pages to solve your problem. Contact your supplier for further support. Van de Leur Audio products are sold with a five-year warranty.
Installation Check the amplifier for any visible damage. In the event of damage to the amplifier, contact your supplier. Make sure the amplifier is plugged into a 230 volts/50 Hz mains supply. Ensure that there is enough ventilation room. Avoid contact with liquids. Do not install the amplifier next to sources of electrical interference or heat. First use Connect the power amplifier to a source. We recommend the use of a Van de Leur Audio 002 pre-amplifier.
The inputs consist of balanced (XLR) or unbalanced (RCA) connections. Use the switch between the inputs to select the right input. When not selected correctly, there will be no audible sound. We recommend to only use the switch while having the amplifier turned off. Only one input can be used at once. The loudspeaker terminals can be found on each side of the rear panel. These are fully silver plated output terminals. We recommend the use of banana- or spade-plugs.
Troubleshooting No LED glow from front panel power switch. The LED of the power switch located at the front panel doesn’t illuminate. - Make sure the power cord is connected properly to an active power source. - The fuse is broken. Replace the fuse with the spare fuse located in the compartment underneath the power inlet. Make sure the amplifier is switched off and that the power cord has been removed. If the cause of the broken fuse is not clear, contact your supplier. (please check p.
Specifications Van de Leur Audio 402 Technical specifications See graphs on the next page for more specifications.
Frequency response @ 4 ohm, 8 ohm and open circuit 8 © Van de Leur Audio Manual Van de Leur Audio 402
Appendix manual 402 Adjustable Damping Factor (dealer only) The amplifier is equipped with an adjustable damping factor. This circuit is used to lower the damping factor and hereby adjusting the amplifier to the attached loudspeakers. The result is often experienced more musical, or ‘tube’ like. Dealers and professionals are allowed to adjust the circuit to adapt the amplifier to the desired needs. The circuit board on the rear panel is where the adjustment can be achieved.
