Yamaha P-4050 [14/18] Performance graphs

Содержание

• Power amplifier amplificateur de puissance 1
• Yamaha 1
• Applies only to products distributed by yamaha corporation of america 2
• Canada 2
• Connecting the plug and cord warning this apparatus must be earthed 2
• Fcc information u s a 2
• Important notice for the united kingdom 2
• This applies only to products distributed by yamaha canada music ltd 2
• This applies only to products distributed by yamaha kemble music u k ltd 2
• Air filter maintenance 4
• Always use the correct power supply 4
• Amplifier ventilation 4
• Avoid excessive heat humidity dust and 4
• Avoid physical shocks 4
• Clean with a soft dry cloth 4
• Do not open the case or attempt repairs 4
• Handle cables carefully 4
• Make sure power is off before making or 4
• Or modifications yourself 4
• Precautions 4
• Removing connections 4
• Vibration 4
• Cooling fans 5
• Input attenuators 5
• Operation 5
• Power switch indicator 5
• Protection indicator 5
• Thermal indicator 5
• Rear panel 6
• 2сн e e 7
• Gnd terminal 7
• Input connectors trs phone type 7
• Input mode switch 7
• O input terminals screw type 7
• Output mode switch 7
• Speaker terminals 7
• 4 inputs 4 outputs 1 input 4 outputs 3 inputs 3 outputs 1 input 3 outputs 2 inputs 2 outputs 1 input 2 outputs 8
• Amplifier with 4 inputs and 4 outputs amplifier with 1 input and 4 outputs 8
• Combining the input mode and output mode switch settings the amplifier offers the following six application setups 8
• Connections 8
• D c b b a b 8
• Mixer or pre amp output 8
• To input terminals 8
• C 0 a b 9
• C 0 a d 9
• Mixer or pre amp output 9
• To input terminals 9
• Installation details 10
• Permanent rack mounting 10
• Portable rack mounting 10
• Caution for speaker connection 11
• Cleaning the filter elements 12
• Dry the filter elements thoroughly 12
• If the filter elements are exceptionally dirty deter gent washing up liquid may be used 12
• Indicator display probable cause remedy protective circuit operation 12
• Make sure the power to the amplifier is off 12
• Never replace the filter elements while they are still wet replace the elements and front filter grilles the replacement part number of the filter element is vm57950 12
• Remove the filter elements and wash in plain water 12
• Remove the power plug from the ac mains socket 12
• The following table lists the main causes of abnormal operation and the corrective measures required as well as the protective circuit operation in each case 12
• To ensure adequate cooling air intake the filter element must be cleaned when it has become clogged the following points describe the cleaning procedure 12
• Troubleshooting 12
• For european model 13
• Purchaser user information specified in en55103 1 and en55103 2 inrush current 16a conformed environment el e2 e3 and e4 13
• Specifications 13
• Channel separation 14
• Frequency response 14
• Output power vs power consumption 14
• Performance graphs 14
• Thd vs output power 14
• Block diagram 15
• Dimensions 16
• Unit mm inch 16
• Achtung 17
• Advarsel 17
• Attention 17
• Avvertenza 17
• Caution 17
• Entretien 17
• Kundendienst 17
• Observera 17
• Service 17
• Varoitus 17
• Yamaha 18
• Yamaha corporation 18

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PERFORMANCE GRAPHS FREQUENCY RESPONSE CHANNEL SEPARATION Load Impedance 80 Input Attenuators Max Input Mode EACH CH Output Mode 4 CH 0 dB 25W A CH Input 6000 Shunt RESPONSE dB Load Impedance 80 Input Attenuators Max Input Mode EACH CH Output Mode 4 CH THD vs OUTPUT POWER OUTPUT POWER vs POWER CONSUMPTION THD Load Impedance 80 Input Attenuators Max Input Mode EACH CH Output Mode 4 CH OUTPUT POWER W THD vs OUTPUT POWER THD Load Impedance 80 Input Attenuators Max Input Mode EACH CH Output Mode 2 CH OUTPUT POWER W 12 OUTPUT POWER CH W