PC9501N_E.
PC9501N_E.book Page 6 Monday, October 25, 2004 10:27 AM FCC INFORMATION (U.S.A.) 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. 2. IMPORTANT: When connecting this product to accessories and/ or another product use only high quality shielded cables.
PC9501N_E.book Page 1 Monday, October 25, 2004 10:27 AM 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.
PC9501N_E.book Page 2 Monday, October 25, 2004 10:27 AM Connections Handling caution • Before connecting the device to other devices, turn off the power for all devices. Before turning the power on or off for all devices, set all volume levels to minimum. • When turning on the AC power in your audio system, always turn on the device LAST, to avoid speaker damage. When turning the power off, the device should be turned off FIRST for the same reason.
PC9501N_E.book Page 5 Monday, October 25, 2004 10:27 AM 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.
PC9501N_E.book Page 6 Monday, October 25, 2004 10:27 AM Controls and Functions ■ Front Panel 234 7 1 5 1 POWER/STAND-BY switch and indicator This turns the power of the amplifier on/off. When you press the switch to turn on the power, the indicator will light green. If the amplifier is connected to an amp control unit ACU16-C and the amplifier has been commanded to enter STAND-BY mode, this indicator will light orange.
PC9501N_E.book Page 7 Monday, October 25, 2004 10:27 AM ■ Rear Panel 1 2 3 4 20 5 6 8 7 1 XLR inputs 9 4 SPEAKERS jacks These balanced XLR-3-31 type connectors are used to connect input signals. They are wired pin 1–ground, pin 2–hot (+), and pin 3–cold (–). • These are Speakon type output jacks. Speakon type cable plugs can be connected here. • These are five-way binding post output jacks.
PC9501N_E.book Page 8 Monday, October 25, 2004 10:27 AM ■ 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.
