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POWER AMPLIFIER
Owner’s Manual
EN
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FCC INFORMATION (U.S.A.) 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! not guarantee that interference will not occur in all installations. If this product is found to be the source of interference, which can be This product, when installed as indicated in the instructions con- determined by turning the unit “OFF” and “ON”, please try to elimi- tained in this manual, meets FCC requirements. Modifications not nate the problem by using one of the following measures: expressly a
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PRECAUTIONS PLEASE READ CAREFULLY BEFORE PROCEEDING * Please keep this manual in a safe place for future reference. WARNING Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiting, damages, fire or other hazards. These precautions include, but are not limited to, the following: Power supply/Power cord Water warning • Only use the voltage specified as correct for the device. The required voltage
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Connections Handling caution • Before connecting the device to other devices, turn off the power for all devices. • When turning on the AC power in your audio system, always turn on the device Before turning the power on or off for all devices, set all volume levels to LAST, to avoid speaker damage. When turning the power off, the device should minimum. be turned off FIRST for the same reason. • Use only speaker cables for connecting speakers to the speaker jacks. Use of • Do not insert y
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Introduction Thank you for purchasing a Yamaha PC9501N, PC6501N, PC4801N, PC3301N, or PC2001N Series Power Amplifier. The PC Series of power amplifiers was developed from Yamaha’s wealth of experience in building PA equipment and its tradition of careful attention to every detail of circuit design. These power amplifiers feature high power and superb quality together with superior reliability and stability, guaranteeing the highest possible audio performance. Main features include
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Controls and Functions ■ Front Panel 234 76 1 5 8 7 1 POWER/STAND-BY switch and indicator 5 Level meters This turns the power of the amplifier on/off. When you These are nine-segment level meters that indicate the press the switch to turn on the power, the indicator will output level of output jacks A and B. If the distortion of light green. the output signal exceeds 1%, the red CLIP indicator If the amplifier is connected to an amp control device will light
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■ Rear Panel 1 2 3 4 20 56 8 9 7 1 XLR inputs 4 SPEAKERS jacks These balanced XLR-3-31 type connectors are used to • These are Speakon type output jacks. Speakon type connect input signals. They are wired pin 1–ground, pin cable plugs can be connected here. 2–hot (+), and pin 3–cold (–). • These are five-way binding post output jacks. 5 DATA PORT jack An amp control device, such as the ACD1 or ACU16-C, can be connected to the DATA PORT jack for monitoring
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■ Speaker connections Speakers can be connected to the amplifier as shown below. Note that speaker impedance will vary according to the connection method and the number of speakers. Please be sure that your speaker’s impedance is not less than the relevant minimum value indicated below. Connection configurations for STEREO and PARALLEL modes When using 5-way binding post output jacks When using the Speakon connector or Minimum speaker Minimum speaker Minimum speaker Minimum speaker im
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Connection ■ Using a Euroblock connector Use a screwdriver If cables will be frequently connected and disconnected, as in the to fix the wires. case of a portable installation, we recommend that you use ferrules with insulation sleeves. Use a ferrule whose conductor portion has an external diameter of 1.6 mm or less, and a length of approximately 7 mm (such as the AI0,5-6WH made by the Phoenix Contact corporation). 1. If the wire insertion ports are closed, turn the screws
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Air Flow This unit uses a forced cooling system in which air comes in through the front opening and goes out the rear. Side View Rear View Front Air intake Air exhaust Rack Mounting If multiple high-power amp units are mounted in a rack with poor ventilation, the heat from the amps will cause the interior of the amp to become very hot, causing the performance of the amps to be impaired. In particular, when mounting in a rack whose back can not be left open, mount accordin
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Specifications ■ General Specifications PC9501N PC6501N PC4801N PC3301N PC2001N Output Power 120V(US)/ 120V(US)/ 120V(US)/ 120V(US)/ 120V(US)/ 230V(EU) 230V(EU) 230V(EU) 230V(EU) 230V(EU) 240V(A) 240V(A) 240V(A) 240V(A) 240V(A) 1 kHz, THD+N= 1% 8 Ω/STEREO 1000 W x 2 1050 W x 2 700 W x 2 750 W x 2 550 W x 2 500 W x 2 350 W x 2 400 W x 2 230 W x 2 250 W x 2 MIN 4 Ω/STEREO 1600 W x 2 1650 W x 2 1100 W x 2 1150 W x 2 850 W x 2 800 W x 2 600 W x 2 700 W x 2 400 W x 2 4
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■ Block Diagram 12
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■ Dimensions 25 30 370 30 25 480 Unit: mm 13 4 88 46 380 26 456
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Troubleshooting 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. Indicator Possible Cause Remedy Protection Circuit There is a short at the amplifier’s speaker outputs, the Locate and remove the short. speaker’s inputs, or in the The PC limiter circuit activates wiring. CLIP indicator lights up to protect the power transistors. Use a speaker with a minimum The impedance of the conne
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PC3301N Line Current (A) Power (W) Thermal Dissipation 100/120V 230/240V In Out Dissipated Btu/h kcal/h standby 0.08 0.04505 17 4 idle 1.0 0.5 40 0 40 137 34 8 Ω/ch 2.7 1.5 189 88 102 348 88 1/8 power 4 Ω/ch 5.0 2.7 357 150 207 707 178 8 Ω/ch 6.4 3.5 459 233 226 771 194 1/3 power 4 Ω/ch 12.0 6.6 866 400 466 1590 401 PC2001N Line Current (A) Power (W) Thermal Dissipation 100/120V 230/240V In Out Dissipated Btu/h kcal/h standby 0.08 0.04505 17 4 idle 1.0 0.5 40 0 40 137 34 8 Ω/ch 1.9 1.1 134 58 77
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For details of products, please contact your nearest Yamaha Die Einzelheiten zu Produkten sind bei Ihrer unten aufgeführten representative or the authorized distributor listed below. Niederlassung und bei Yamaha Vertragshändlern in den jeweiligen Bestimmungsländern erhältlich. Pour plus de détails sur les produits, veuillez-vous adresser à Yamaha ou au distributeur le plus proche de vous figurant dans la liste Para detalles sobre productos, contacte su tienda Yamaha más cercana suivante. o el
