Évaluations - 3, GPA: 3.7
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Facilité d'utilisation
The fan will remain inactive until operating temperature rises above 45° C. Make sure that there is enough space around the front of the amplifier to allow air to enter, and around the sides to allow the heated air to exit. (See page 4 for intake and exhaust locations. Note: If the amplifier is rack-mounted, do not use doors or covers on the front or rear without pressurizing the rack. Whatever type of rack you are using, make sure that heated air can escape freely, and that there is no resistance to the intake of cool air through the front grill. Intake and exhaust air must flow without resistance. Ensure that fan filters are regularly cleaned and periodically replaced. (No tools are required for filter removal). Rear View 91011 12 13 Com Out In +8 to +18VDC 20 mA Model CC-STL NEC CLASS 2 ONLY CLASS 2 WIRING MAY BE USED Output A B + + – – Signal Ground Lift Jumper Model CC-BLK Designed & manufactured in the USA by: Crest Audio Inc. 100 Eisenhower Dr. Paramus, New Jersey 07652 USA Model Name CKS 100 CKS 200 CKS 400 CKS 800 CKS 800-2 CKS 1200-2 CKS 1600-2 Output Power @8W /Ch. 50W 100W 200W Model Name CKV 400 400W 400W 600W 800W CKV 100 CKV 200 CKV 800 CKV 1600 CKV 2400 Output Power @70.7V 50W 100W 200W 400W 800W 1200W LISTED 8B42 COMMERCIAL POWER AMPLIFIER 120V~60 Hz 15A Input A Input B + + –– 73B 8 9 5 2 0 4Level 1 6 10 7 8 9 5 0 4Level 2 1 3 6 Model CC-IPB A 10 Page 4 Crest Audio CK Power Processing Amplifiers PowerSave. All CK Power Processing amplifiers come standard with PowerSave circuitry. This effectively reduces current draw and thermal emissions to a minimum when the amplifier is at idle. PowerSave operates by cutting off the bias current to the output stage after signal absence is sensed at the input. Once signal is present, PowerSave instantly restores the bias current after the first positive-going waveform. Current draw specifications while PowerSave is active are included in specifications under "Idle Current Draw." Thermal Emissions. System cooling needs must be considered before installation, and the system installer/designer should specify appropriate countermeasures, such as ventilation, air conditioning, etc. Refer to the specifications appendix at the back of this manual for specific thermal emissions figures. Mode Configuration. CK Power Processing amplifiers are configured standard for two channel (stereo) operation. They can, however, be wired to operate in bridged mono mode (a single Mono input amplified to the combined power of both channels and made available as a single Mono output) or parallel mode (where a single Mono input signal is fed to both channels). Two Channel (Stereo) Mode. In the factory configured, standard two channel (stereo) mode, both channels operate independently, individual input attenuators controlling their respective levels. Signal at Channel A’s input produces output at Channel A’s output, while signal at Channel B’s input produces output at Channel B’s output. (Recommended minimum nominal load impedance for stereo operation of CKS Series amplifiers is 4 ohms per channel; 2 ohms per channel for models CKS 800-2, 1200-2, and 1600-2. CKV and CKX Series amplifiers are specifically designed for use with distributed or constant voltage systems. See appendix E for information on recommended distributed line impedance.). Connect loudspeakers to the barrier strip output connectors for channels A and B. Connections are shown in the diagram below. Parallel Mode. To send the same signal to both channels, connect the input signal to Channel A via the Input Barrier Strip. Run jumpers from the positive and negative terminals of Channel A’s Input Barrier Strip to the respective terminals of Channel B’s. Both channels then share Channel A’s input signal, but will operate independently. Speakers are connected as in Stereo Mode. LISTED 8B42 COMMERCIAL POWER AMPLIFIER 120V~60 Hz 15A Com Out In +8 to 18VDC 20 mA CLASS 2 WIRING MAY BE USED Output A B + + – – Signal Ground Lift Jumper Input A Input B + + –– 7 8 9 5 2 0 1 3 4 6 10 7 8 9 5 2 0 1 3 4 6 10 Model CC-IPB Level B Level A NEC CLASS 2 ONLY Model CC-STL -+ -+ -+ - Stereo Mode Connection Diagram Regardless of operating mode, NEVER connect amplifier outputs together! LISTED 8B42 COMMERCIAL POWER AMPLIFIER 120V~60 Hz 15A Com Out In +8 to 18VDC 20 mA CLASS 2 WIRING MAY BE USED Output A B + + – – Signal Ground Lift Jumper Input A Input B + –– 7 8 9 5 2 0 1 3 4 6 10 7 8 9 5 2 0 1 3 4 6 10 Model CC-IPB Level B Level A NEC CLASS 2 ONLY Model CC-STL - -+ + - Parallel Mode Diagram Bridged Mono Mode - CKS Series Power Amplifiers. Bridged Mono Mode straps both amplifier channels together, making a very powerful single channel amplifier. One channel “pushes” and the other “pulls” equally, effectively quadrupling the power over that of either channel alone. Signal is connected to the input barrier strip as shown in the drawing below, with one jumper connecting the positive (+) terminal of Input A to the negative (-) terminal of Input ...
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