Crown Audio I-Tech Series operation manual Quick-Start Guide Bridge-Mono Wiring

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I-Tech Series Power Amplifiers

Quick-Start Guide: Bridge-Mono Wiring

Let’s assume that you unpacked and installed your amplifier with the proper cooling. If not, see Section 2 in this manual. We’ll also assume that you will operate the amplifier in Bridge- Mono. Basically you will turn on the amp, enable Bridge-Mono mode with the LCD Control Screen, turn off the amp, wire it, and turn it back on.

1. Be sure that no cables are connected to the amplifier. Plug the amplifier power cord into the amplifier, then into an AC outlet.

2. Turn on the amplifier power switch on the front panel. The LCD Control Screen will light up (Figure A.4).

3. Under the LCD Control Screen, press the Menu/Exit button. Press the Next button until you see Output Mode on the screen.

4. Press either Encoder knob to select BRIDGE MONO. Press and hold the knob to confirm your choice. Press the Menu/Exit button.

5. IMPORTANT: Turn off the amplifier. Unplug its power cord from the AC out- let. The amplifier must be grounded when plugged into AC power.

6. See Figure A.5. Connect a cable from your mixer output to the amplifier’s Channel-1 XLR input connector.

7. Using Class 2 wiring, connect the speaker cable either to the amplifier’s top Speakon connector (terminals 1+ and 2+, Figure A.6) or across the red binding posts of both channels (Figure A.5). Do not use the black binding posts in bridge-mono mode.

8. Turn down your mixer master faders. Plug the power cord into the amplifier and then into

an AC outlet. Turn on the front-panel power switch. The LCD Control Screen will light up

(Figure A.3).

9. Using both Encoder knobs (Level controls), set Attenuation to 0 dB. Press the Menu/

Figure A.5 Rear Panel Connections for Bridge-Mono Wiring

Exit button, then the Next button, to access CH1 Sensitivity. Turn an Encoder knob fully

down (CCW) until the minimum dB gain is displayed. See Appendix B for details.

10. Play a program through your mixer. Set its level to peak at 0 dB or 0 VU maximum on the mixer meters. Gradually turn up (CW) the left Encoder knob (Level control) to the desired volume for CH1. Press Exit when done.

Note: If the SPL is too high at the beginning of Step 10, press Menu/Exit, then press Next until you see ADVANCED MENU. Push an Encoder knob. Press Next until you see MAXI- MUM ANALOG INPUT. Press an Encoder knob so the display reads 21 dBu. Press Menu/ Exit twice. Press Next. CH1 Sensitivity will be displayed. Gradually turn up (CW) the left Encoder knob to the desired volume for CH1. Press Exit when done.

Operation Manual

CAUTION – SHOCK HAZ- ARD: Potentially lethal voltages exist at the output connectors when the amplifier is turned on and is passing a signal.

Figure A.4

The LCD Control Screen

Figure A.6

Wiring a Speaker to the Top

Speakon Connector for Bridge-Mono Operation

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Contents Some models may be exported under the name Amcron T4000 T6000 T8000137289-10 11/07Importantes Instructions de Sécurité Important Safety InstructionsEuropean Representatives Name and Address Safety StandardFamily Name I-Tech EMC StandardsFor bridge-mono operation, see Quick-Start Guide Stereo WiringGetting Started With I-Tech Figure A.5 Rear Panel Connections for Bridge-Mono Wiring Quick-Start Guide Bridge-Mono WiringTable of Contents High power density, up to 8000 watts in a 2U chassis FeaturesAnalog and digital thru connectors How to Use This ManualUnpack and Install Your Amplifier SetupWire Inputs and Outputs Wiring basics Connecting to AC MainsDistance Choose Input Wire and ConnectorsChoose Output Wire and Connectors Important Turn off the amplifier and unplug its power cord Stereo Mode WiringReach maximum attenuation Bridge-Mono ModePrecautions Startup ProcedureOperation Protecting Your SpeakersFront Panel Controls and Indicators Cooling Vents Back Panel Controls, Indica- tors and Connectors Fans Advanced Operation Advanced Operation Table of ContentsAttenuation and Bar Meters Navigating the LCD Control Screen IntroductionMute/Unmute Front Panel LockoutCH1 LF-1&2 CH2 LF-3&4 Menu/Exit Prev PrevDigital DIG Analog Anlg OFF vOFF 114 Menu Tree Operation ExamplesPress Menu/Exit Operation Example User Presets Presets IntroductionDownloadable Presets Digital Audio Options AES/EBUFix Errors Individually Network Setup WizardSelect Network Card Address Devices on the NetworkPower/ Standby Control Input Signal Level MonitorSignal Mute Error ReportingAverage Power Limiter Input Signal Compressor/LimiterMemory Backup Configuration Clip EliminatorDelay Latency Input Signal RouterFilters Noise GeneratorRated range TroubleshootingAmplifier’s Power switch is off Ethernet link is broken Input signal level is very lowSpeakers not connected Open circuit due to speaker failure Performance SpecificationsHz 20 kHz with 0.35% THD Latency digital inputsCommon Mode Rejection CMR 20 Hz to 1 kHz Crosstalk below rated power, 20 Hz to 1 kHzAC Line Connector DimensionsTypical Frequency Response 1W ChartsT4000 AC Power Draw and Thermal DissipationTech 4000 AC Current Draw and Thermal Dissipation T6000 Tech 6000 AC Current Draw and Thermal DissipationT8000 Tech 8000 AC Current Draw and Thermal DissipationAdvanced Features TCP/IQ and HiQnet audio networks offer many advantages Appendix a Network BasicsTCP/IQ and HiQnet Networks Let’s explain each identifier Network Addresses00-0A-40-00-DC-2F 192.168.0.1Appendix B Setting Sensitivity for Best Gain Staging Service United States & Canada WarrantyWorldwide Except USA & Canada Product purchased from *Business/Individual Country Crown Audio, IncFax This page Intentionally Left Blank Crown Audio Factory Service Information This page Intentionally Left Blank This page Intentionally Left Blank

I-Tech Series specifications

The Crown Audio I-Tech Series represents a pinnacle of power amplification technology, designed to meet the demanding needs of live sound reinforcement and installation applications. Renowned for their flexibility, efficiency, and sound quality, these amplifiers integrate cutting-edge features that appeal to both professional audio engineers and musicians alike.

One of the key technologies employed in the I-Tech Series is the use of DriveCore technology. This innovative design allows the amplifiers to achieve high power output while minimizing size and weight. The DriveCore technology combines the efficiency of Class D amplification with superior sound quality, yielding a lightweight solution that maintains high fidelity and low distortion even at peak volumes.

The I-Tech Series amplifiers come equipped with a comprehensive suite of digital signal processing (DSP) capabilities. Each amplifier integrates sophisticated DSP algorithms that enable advanced speaker management, including extensive equalization, delay settings, and limiting controls. This ensures optimal performance for a variety of loudspeakers and installation scenarios, allowing users to tailor the output to the specific acoustical environment.

Connectivity is another strong point for the I-Tech Series. The amplifiers often include a variety of input options, providing flexibility for different setups, whether analog or digital. The inclusion of Ethercon connectivity enables seamless integration into a networked environment, allowing for remote control and monitoring via Crown's sophisticated software interface. Users can access real-time data about the system's performance, making adjustments on-the-fly to maintain optimal sound quality.

Durability and reliability are fundamental characteristics of the Crown I-Tech amplifiers. Built to withstand the rigors of touring and the demands of permanent installations, these amplifiers are housed in rugged enclosures that dissipate heat effectively while maintaining a compact form factor. Integrated protection circuits safeguard against over-temperature, over-current, and short-circuits, ensuring longevity even under extreme conditions.

In terms of power output, the I-Tech Series features a range of models, each capable of delivering substantial wattage to drive large sound systems with authority. The efficient cooling design allows for extended use without compromising performance, making them suitable for both large concerts and smaller venues.

In summary, the Crown Audio I-Tech Series amplifiers combine advanced technologies, including DriveCore and flexible DSP, to deliver powerful and high-quality audio performance. Their robust design, comprehensive connectivity options, and tailored control make them a premier choice for audio professionals seeking reliable and effective amplification solutions.