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/// Dear music lover Congratulations! You have just acquired one of the best amplifiers ever built. The HD AMP was created by an engineering team with more than 60 years’ experience designing world-class products for the professional audio, national security and military markets. The professional and Hi-Fi product ranges are designed by the same Research and Development department.
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SUMM A RY Safety warnings Warranty Package contents INSTALLATION OF YOUR HD AMP Positioning the HD AMPs Moving the HD AMPs around Fuse type Input panel Output section OPERATING THE HD AMP Switching ON Troubleshooting More details on what is being monitored...
Make sure you have the correct operating voltage before switching your amplifier on. • The HD AMP is CLASS I equipment. It is essential that it is connected to a MAINS socket outlet with a protective earthing connection.
DO NOT block the intake or outlet ventilation holes; make sure to leave space behind the amplifier for the warm air to evacuate properly. If you have a thick carpet, it is essential to place the HD AMP on a stand to allow an uninterrupted air intake and Status LED optimal thermal dissipation.
If your source has any DC component, make sure to place the filter in the ON position. If you use a Nagra source, you can leave it OFF. When changing this setting, it is necessary to power OFF - ON the amplifier (Mains switch on...
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Remote connection The HD AMP has 1x 3.5mm (1/8” ) stereo jack socket IN (to connect a master device) and 1x 3.5mm (1/8”) stereo jack socket OUT (to connect a slave device). It allows you to switch...
In some instances, the HD AMP might turn off to protect itself, or your loudspeakers. In this case, turn the Mains switch to OFF (O) on the back of the unit, wait for 2 minutes and turn it ON (I) again.
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A DC (direct current) component generated from the amplifier could damage your loudspeakers. If a DC component of more than ± 2.5V appears on the output of the HD AMP, the front LED will blink fast in red and the amplifier will shut down. Thermal problem If the amplifier runs too hot, it will shut down automatically.
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