CH and CL Series Power Amplifiers
Output Power |
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Output Power at 1 kHz at rated THD; Stereo mode, per channel with both channels driven. |
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Output Power at 1 kHz at rated THD; Stereo mode, per channel with both channels driven. |
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| STEREO MODE |
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| BRIDGE MODE | ||
| 2 Ohms | 4 Ohms | 8 Ohms | 70V | 4 Ohms | 8 Ohms | 140V |
CH1 |
| 450W | 275W | 300W |
| 900W | 600W |
CH2 |
| 660W | 400W | 600W |
| 1320W | 1200W |
CH4 | 1400W | 1200W | 600W | 1200W | 2800W | 2400W | 2400W |
CL1 | 560W | 450W | 275W |
| 1100W | 900W |
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CL2 | 975W | 660W | 400W |
| 1950W | 1320W |
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CL4 | 1800W* | 1200W | 600W |
| 3600W* | 2400W |
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* ≥ 200VAC Line Voltage
1 Welcome
Congratulations on your purchase of a Crown® CH or CL Series commercial power amplifier. The CH and CL Series is a complete family of amplifiers with a wide range of power output capabilities and output configurations.
CH Series amplifiers can directly drive “con- stant voltage” lines, so you can avoid the expense of adding
All CH and CL Series amplifiers feature Crown’s exclusive SST (System Solutions Topologies) expansion system. The SST expan- sion system makes it easy to tailor your ampli- fier to a specific application or to add future technology as it develops (see Section 4.3.2 for descriptions of available SSTs).
Modern power amplifiers are sophisticated pieces of engineering capable of producing extremely high power levels. They must be treated with respect and correctly installed if they are to provide the many years of reliable service for which they were designed.
In addition, CH and CL Series amplifiers include a number of features which require some explanation before they can be used to their maximum advantage.
Please take the time to study this manual so that you can obtain the best possible service from your amplifier.
1.1 Features
•The CH and CL Series amplifiers are designed specially for fixed installation, and include the following features:
•CH Series provides for both low imped- ance and high impedance loads, with the choice of 4/8 ohm or 70V operation for each channel. The output mode of each channel can be set independently, allowing unique or mismatched loads to be driven by each channel.
•CH Series includes a
•CL Series includes high power
•A red
•An RJ11 connector allows external circuits to monitor the status of the Fault circuit.
•Detented level controls are located on the back panel for security, and allow for accu- rate level settings.
•Barrier strip output connectors allow for quick easy connection regardless of the load, and accept up to 10 AWG
•SST modules provide flexible input options, such as onboard crossover con- figurations.
•Stereo/Bridge switch allows conversion from Stereo mode to Bridge mode for
•Advanced protection circuitry guards against: shorted outputs, open circuits,
DC, mismatched loads, general overheat- ing, high frequency overloads and internal faults.
•Three Year,
1.2 How to Use This Manual
This manual provides you with the necessary information to safely and correctly setup and operate your amplifier. It does not cover every aspect of installation, setup or operation that might occur under every condition. For addi- tional information, please consult Crown’s Amplifier Application Guide (available online at www.crownaudio.com), Crown Technical Sup- port, your system installer or retailer.
We strongly recommend you read all instruc- tions, warnings and cautions contained in this manual. Also, for your protection, please send in your warranty registration card today. And save your bill of sale — it’s your official proof of purchase.
Operation Manual | page 5 |