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Yamaha P-4050 Инструкция по эксплуатации онлайн [3/18] 13116
![Yamaha P-4050 Инструкция по эксплуатации онлайн [3/18] 13116](/views2/1013971/page3/bg3.png)
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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Thank you for purchasing the Yamaha P4050 Power Amplifier The P4050 is a fine example of the experience and skill Yamaha has developed for the production of superior audio and PA equipment It is not only highly reliable and stable but also very compact and light The amplifier offers three output modes 2 channel 3 channel and 4 channel amplification which are selected by simple switch operation In 2 channel mode the power output is 140W x 2 8 ohm loads and in 3 channel mode 140W 8 ohm loads 50W x 2 8 ohm loads Even in 4 channel mode it boasts an impressive power output of 50W x4 8 ohm loads Furthermore to assure stable and safe operation even under extreme conditions the amplifier is equipped with extensive protection circuitry an automatic fan provides variable rate cooling depending on the internal temperature of the amplifier DC detection circuitry continuously monitors for harmful DC voltages in the power output a PC limiter circuit prevents excessive power output levels and a POWER ON MUTE circuit protects valuable speakers Read this operation manual thoroughly in order to take full advantage of the P4050 s performance capabilities and to ensure continued enjoyment in years to come CONTENTS PRECAUTIONS 2 OPERATION 3 CONNECTIONS 6 INSTALLATION DETAILS 8 CAUTION FOR SPEAKER CONNECTION 9 CLEANING THE FILTER ELEMENTS 10 TROUBLESHOOTING 10 SPECIFICATIONS 11 PERFORMANCE GRAPHS 12 BLOCK DIAGRAM 13 DIMENSIONS 14 1