PA 4-250
USER’S MANUAL
4 CHANNEL 4 Ω /70 V /100 V POWER AMPLIFIER
Page 1: ...PA 4 250 USER S MANUAL 4 CHANNEL 4 70 V 100 V POWER AMPLIFIER...
Page 2: ...1 Safety instructions 2 1 Introduction 3 2 Features 3 3 Controls and Settings 4 5 4 Installations Hints 6 5 Technical Specifications 6 6 Malfunctions 7 7 Warranty 7 Index...
Page 3: ...ttachments accessories specified by the manufacturer This symbol indicates that the disposal of this product is submitted to local regulations Please contact your local dealer DISPOSAL Important Safet...
Page 4: ...yield performances One of the main applications of the PA 4 250 is the amplification of independent zones using low impedance outputs for near field and 100 V line for long distance speakers The devi...
Page 5: ...safety start function muting the amplifier for a few seconds after the power is switched on This delay is visible through the Led which lights up then shuts off as soon as the amplifier becomes opera...
Page 6: ...s 30 38 MONO DUAL In the case of a Mono signal for which two amplifier channels are required the switch must be set in MONO mode The signal of one of the inputs is automatically send the other which a...
Page 7: ...rnal cleaning Smoke and dust particles accumulated inside the appliance can cause failures not covered by the warranty This cleaning should be done by qualified personnel Before any work on the wiring...
Page 8: ...correctly connected or is faulty The power switch is not pressed Reconnect the power cord Change the cord Turn the switch ON No sound on one or more channels The volume is at a minimum Speakers are n...
