Crown Audio K Series Front Panel Controls Indicators, Level Controls, Enable Indicator

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K Series Power Amplifiers

4 Operation

4.2 Front Panel Controls and

Indicators

Figure 4.1 below points out the controls, indi- cators and connectors on the front panel of the K Series amplifiers. The K1 and K2 look identi- cal except for product nameplates and fuse specifications.

A. Level Controls

The Level controls, one per channel, adjust the input attenuation from 0 dB to 100 dB.

B. Indicators

Figure 4.2 shows a close-up view of the indica- tor LEDs (4 per channel).

TLC: The TLC (thermal level control) indicators turn on with a dim glow a little before the amplifier needs help dissipating heat. This forewarning gives you a chance to turn on a fan or other auxiliary cooling (if available), or turn down the level controls of the amplifier. If you do neither, the amplifier will automatically

begin to protect itself with its TLC protection system by subtly and dynamically reducing the gain as needed. The TLC indicators gradually turn brighter as the TLC protection becomes greater.

Clip: Turns on when distortion becomes audi- ble in the amplifier output.

IOC: The yellow Input /Output Comparator indicators turn on when distortion reaches 0.05%, which is well before the distortion is audible.

Signal: The green Signal indicators flash dimly when a very low-level signal (as low as 10 mW) is present in the output. They flash brightly when a louder signal (at least 1 watt) is present at the output.

C. Enable Indicator

The green Enable indicator turns on when the amplifier has been turned on and has power. When first turned on, there will be a

2-second delay while the amplifier performs a

quick start-up test. Then the Enable indicator will turn on to its full brightness. If no signal is present, the Enable indicator will switch to a dimmer green.

D.Power Switch

Amplifier is on when the top half of the switch is depressed.

Figure 4.2 Front Panel Indicators

Figure 4.1 Front and Back Panel Controls, Indicators and Connectors

Operation Manual

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Contents Some models may be exported under the name Amcron SeriesWatch for These Symbols Important Safety InstructionsCompetent Body’s Name and Address Safety StandardCrown International, Inc TCF Technical Certificate No C974CRI1.ABSTable of Contents Welcome How to Use This ManualFeatures You may also stack amps without using a cabi- net SetupUnpack Your Amplifier Install Your Amplifier Choose Output Wire and Con- nectors Choose Input Wire ConnectorsBridge-Mono Mode See Figure SetupSee Figure Mono Input to Dual OutputsMono Input to Bridge- Mono Output Connect to AC Mains Startup ProcedurePrecautions OperationPower Switch Front Panel Controls IndicatorsEnable Indicator Second delay while the amplifier performs aXLR-type Input Connector Back Panel Controls ConnectorsBridge Output Switch Input SwitchAdvanced Features Speakers not connected TroubleshootingVAC, 60 Hz Units, Bridge mono mode SpecificationsService 12/01 WarrantyWorldwide Except USA & Canada MasterCard Personal/Consumer Visa City State/Prov Postal Code CountryCredit card information Type of credit card

K Series specifications

Crown Audio K Series amplifiers represent the pinnacle of professional audio amplification, delivering exceptional power, performance, and reliability. Designed for a wide range of applications, including live sound reinforcement and installation scenarios, the K Series is a testament to the innovation and engineering excellence that Crown Audio is known for.

One of the standout features of the K Series is its output power. With models available that provide up to 4,000 watts per channel at 4 ohms, these amplifiers can drive even the most demanding speaker systems with ease. This makes the K Series ideal for large venues and events where high sound pressure levels are required.

The K Series amplifiers incorporate advanced technology such as Crown's highly efficient Class-D design, which not only reduces weight but also minimizes power consumption, making them more environmentally friendly. This efficiency allows for greater power density, meaning more power can be delivered without excessive heat generation. In addition, the K Series uses a patented "Power Factor Correction" technology, ensuring that the amplifiers perform consistently under varying load conditions, which is crucial for maintaining sound quality in professional applications.

Another key characteristic of the K Series is its robust build quality. Constructed with durable materials and featuring an efficient cooling system, these amplifiers are designed to withstand the rigors of touring and installation use. Furthermore, the K Series is equipped with comprehensive protection circuitry, including over-temperature, short circuit, and RF interference protection, guaranteeing reliable operation even in challenging environments.

The K Series also offers advanced connectivity options, with models equipped with digital signal processing capabilities. This allows users to tailor the audio output to suit specific acoustic requirements, including equalization, delays, and limiting. Additionally, the K Series is compatible with the Harman HiQnet Network, enabling remote monitoring and control via a user-friendly graphical interface.

With a combination of high output power, advanced technologies, and robust design, the Crown Audio K Series amplifiers provide exceptional performance for professionals seeking reliable, high-quality sound amplification solutions. Whether for concert tours, festivals, or permanent installations, the K Series continues to set the standard in audio amplification. Its features and innovations ensure that it remains a preferred choice among audio professionals worldwide, delivering powerful, crystal-clear sound that meets the demands of any audio application.
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