POWER AMPLIFIER Owner’s Manual POWER AMPLIFIER L 20 POWER TEMP PROTECTION POWER ON CLIP R 15 20 25 LEVEL 30 6 3 40 OFF L 0 Keep This Manual For Future Reference.
WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol
Important Information i Important Information Please read the following before using the CP2000 Warnings • Do not allow water to enter this unit or allow the unit to become wet. Fire or electrical shock may result. • Connect this unit’s power cord only to an AC outlet of the type stated in this Owner’s Manual or as marked on the unit. Failure to do so is a fire and electrical shock hazard. • Do not scratch, bend, twist, pull, or heat the power cord.
ii Contents Package Contents The CP2000 package should contain the following items. Contact your Yamaha dealer if anything is missing. • CP2000 Power Amplifier • This manual Trademarks Yamaha is a trademark of Yamaha Corporation. All other trademarks are the property of their respective holders and are hereby acknowledged. Copyright No part of this Owner’s Manual may be reproduced or distributed in any form or by any means without the prior written authorization of Yamaha Corporation.
Introduction 1 1 Introduction Welcome Thank you for choosing the Yamaha CP2000 Power Amplifier. Based on a new improved version of Yamaha’s EEEngine amplifier technology, the CP2000 is a versatile two-channel power amplifier, offering high-power, superb sonic performance, and reliability, all backed by the Yamaha tradition of excellence in professional audio. CP2000 key features include • 650 W+650 W into 4Ω stereo, 450 W+450 W into 8Ω stereo. • 2,000 W into 4Ω bridged, 1,300 W into 8Ω bridged.
2 Chapter 1—Introduction Front Panel 6 7 POWER AMPLIFIER L 20 POWER TEMP ON LEVEL 6 3 40 OFF L 1 2 3 4 0 15 25 10 30 POWER R 20 25 PROTECTION CLIP 15 10 30 6 3 40 –dB R 0 5 A POWER switch This is the main POWER switch. Press to turn on the amplifier; press again to turn off. See “Turning On the Power” on page 11 for more information. B POWER indicator This indicator lights up when the CP2000 is turned on.
3 Rear Panel Rear Panel 1 4 2 CHANNEL R CHANNEL L 2 1 3 2 CHANNEL L SPEAKERS (BRIDGE) STEREO BRIDGE PARALLEL OFF 1 (–) BRIDGE (+) INPUT CHANNEL R 1 NEUTRIK ON 2 1 3 YAMAHA SPEAKER PROCESSING 2 3 5 A INPUTs The inputs for each CP2000 channel comprise of one 1/4" phone jack and one XLR-3-31-type connector. Both connectors are electronically balanced, although they can also be used with unbalanced sources. See “Connecting Inputs” on page 7 for more information.
4 Chapter 2—Hookup Examples E GND terminal For safety reasons it’s important that the CP2000 is grounded. The attached power cord has a three-pin plug, and if the ground terminal of the AC outlet to which it is connected is grounded, then the CP2000 will be grounded adequately via the power cord. If the AC outlet does not have a suitable ground terminal, a ground connection should be made to this ground terminal.
Parallel Hookup 5 Parallel Hookup In PARALLEL mode, the L and R channels operate independently but the input signal for both channels is sourced from the Channel L inputs. This mode is typically used with a mono source and allows independent volume control of two sets of speakers. The following hookup example shows how the CP2000 can be used in PARALLEL mode.
6 Chapter 2—Hookup Examples Bridge Mode Hookup In BRIDGE mode, the L and R channels are combined to form a massive 2000 watt single-channel amplifier. The input signal is sourced from the Channel L inputs. The following hookup example shows how the CP2000 can be used in BRIDGE mode.
7 Using the CP2000 3 Using the CP2000 Installation The CP2000 can be mounted in a standard rack and requires 2 rack-space units. In addition to the front-panel rack-mounting holes, the CP2000 also features support brackets at the rear, which offer additional support and should be fixed to the rear of the rack. The CP2000 can also be placed horizontally on the floor or a suitable table.
8 Chapter 3—Using the CP2000 To connect an unbalanced source to an INPUT XLR, connect pin 3 (cold) to pin 1 (ground), as shown below. Male XLR plug 1 (ground) 3 (cold) 2 (hot) The following table shows which inputs, LEVEL controls, and signal and CLIP indicators are active in each CP2000 mode.
9 Connecting Speakers Connecting Speakers Warning: Turn off all equipment before making any connections. The outputs for each CP2000 channel comprise of one 1/4" phone jack and one pair of 5-way binding posts. The 1/4" phone jacks accept 1/4" phone plugs, while the 5-way binding posts offer several methods of connection, including single or double banana plugs, spade lugs, or bare wire. For optimum performance, use quality speaker cables with a suitable power rating.
10 Chapter 3—Using the CP2000 The following table shows which outputs can be used in each CP2000 mode and the minimum speaker impedance. Note that this is the total speaker impedance that can be connected to each channel. For example, a 2Ω minimum means that you could connect a single 2Ω speaker, two 4Ω speakers in parallel, or four 8Ω speakers in parallel.
11 Connecting S115 and S112 loudspeakers Connecting S115 and S112 loudspeakers The CP2000 features special EQ processing that optiOFF ON mizes the CP2000 for use with the Yamaha S115 and S112 loudspeakers (especially the 115IV). This processYAMAHA SPEAKER PROCESSING ing is turned on and off by using the YAMAHA SPEAKER PROCESSING switch. Yamaha loudspeakers should be connected just like any other speaker, and for best performance the YAMAHA SPEAKER PROCESSING switch should be set to ON.
12 Chapter 3—Using the CP2000 disconnects the AC power when the transformer reaches a certain temperature and the POWER indicator goes out. Once the transformer has cooled down, the thermostatic cutout automatically closes, reconnecting the power, the POWER indicator lights up, and normal operation is resumed.
Troubleshooting 13 Troubleshooting The following table explains the operation of the CLIP, TEMP, and PROTECTION indicators, typical situations in which they may light up, and what action to take if and when they do. Symptom Remedy Protection System POWER indicator not lit Power cable disconnected or amplfier turned off. Make sure the power cable is connected properly and the POWER switch is in the ON position. — No sound Input signal not connected or LEVEL controls turned down.
14 Appendix Appendix Specifications Power Output Level 8Ω/STEREO 450 W + 450 W 4Ω/STEREO 650 W + 650 W 8Ω/BRIDGE 1300 W 2Ω/STEREO 1000 W + 1000 W 4Ω/BRIDGE 2000 W 1 kHz, THD+N=1% 1 kHz 20 ms, non-clip Power Bandwidth THD+N=0.2% (half power) 10 Hz–40 kHz Total Harmonic Distortion (THD+N) 4-8Ω/STEREO 20 Hz–20 kHz (half power) 8Ω/BRIDGE 0.1% Intermodulation Distortion 60 Hz:7 kHz, 4:1, half power 4-8Ω/STEREO 8Ω/BRIDGE 0.1% Frequency Response 8Ω, Po=1W 0 dB, +0.
Dimensions 15 Protection Circuit POWER switch on/off mute DC detection TEMP (heatsink temp ≥90°C) PC limiter: RL≤1Ω Fan Circuit Stop–low speed (50°C)–variable–high Speed (70°C) Limiter Circuit Comp: THD≥0.5% Power requirements U.S.A. & Canada 120 V AC, 60 Hz Europe 230 V AC, 50 Hz Australia 240 V AC, 50 Hz Idle Power Consumption 30 W 1/8 Power Consumption (4Ω) 400 W Maximum Power Consumption (4Ω) 2000 W Dimensions (W × H × D) 480 × 88 × 416 mm (18.9 x 3.46 x 16.4 inches) Weight 14 kg (30.
V617350 R1 1 IP 20 NP Printed in Taiwan CHANNEL R INPUT CHANNEL L (BRIDGE) (PARALLEL) BA BA POWER SW POWER • ON • OFF • ON • OFF INV POWER CIRCUIT CHANNEL R PARALLEL ATT BRIDGE STEREO YAMAHA SPEAKER PROCESSING CHANNEL L ATT E –B +24 E –24 +B Limiter Limiter FAN CLIP Protection Circuit Rch Power Amp Temperature Sensor (Heat Sink) CLIP Lch Power Amp SIGNAL TEMP PROTECTION SIGNAL CHANNEL R L+R BRIDGE CHANNEL L SPEAKERS Block Diagram Pro Audio & Digital Musical Instrument Div