Crown Audio 21100 Checklist, Troubleshooting, Problem No output, Problem Distorted sound

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T r o u b l e s h o o t i n g

Checklist

Problem:

No output

Check:

Are the AC Present and Operate lights on?

 

Are the Fault & Temp lights off?

 

Are the Signal lights on?

 

Are the level controls turned up?

 

Are the speakers properly connected? (in particular check that older style ‘ring lock’ type

 

Speakons are rotated in the socket).

Problem:

Distorted sound

Check:

Are the Clip lights on?

 

Is any equipment before the amp being over driven?

 

Are any speaker cables shorted?

 

Are the loudspeakers too low an impedance?

 

Are the input cables wired correctly?

Problem:

Hum or buzzing

Check:

Is the amp properly grounded?

 

Are the input cables shielded?

 

Are the input connectors properly wired?

 

Are you using an unbalanced input?

 

Does the noise stop if the equipment driving the amp is switched off?

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Contents Professional Power Amplifier N t e n t s Typical applicationsImportant Safety Instructions F e t y I n f o r m a t i o nT r o d u c t i o n & U n p a c k i n g IntroductionUnpacking C h a n i c a l Installation P o w e r C o n n e c t i o n Live/HotInputs D i o C o n n e c t i o n sOutputs Stereo operation0C o n t r o l o p e r a t i o n Power Switch Bridge switchLevel controls 1 D i c a t o r s FaultSignal AC PresentD i c a t o r s Clip BridgeTwo amplifiers used in bridge mode P i c a l a p p l i c a t i o n sTwo channel stereo operation Calculating Impedance O s s a r y Frequency DBu or dBvDistortion Frequency ResponseRemovable terminal block TransientSpeakon Specification s Ohms 700W rms 1100W rms 1500W rmsProblem No output ChecklistTroubleshooting Problem Distorted soundFault and both Temp lights flashing Status IndicationCrown Audio Customer Service Worldwide ServiceService Shipping Instructions R v i c e & W a r r a n t yThree Year Full Warranty Division of Harman International Industries

21100 specifications

Crown Audio 21100 is a high-performance power amplifier that has become a staple in the professional audio industry, revered for its reliability and sound quality. Designed for both live sound and fixed installation applications, this amplifier is particularly noted for its robust build and impressive technical capabilities.

One of the standout features of the Crown 21100 is its power output. With the ability to deliver an impressive wattage, it ensures that sound is not only loud but clear, making it ideal for a range of environments, including concert venues, theaters, and public address systems. The amplifier is capable of driving multiple speaker configurations without distortion, providing both headroom and clarity at high volumes.

In terms of technology, the Crown 21100 employs the patented Class I technology, which is known for its high efficiency and low heat generation. This means that the amplifier can operate for extended periods without overheating, making it especially suitable for demanding applications. Additionally, the Crown 21100 is equipped with advanced protection circuitry that guards against short circuits, thermal overload, and input signal clipping, ensuring longevity and reliability in various settings.

Another notable characteristic is the amplifier's versatility in connection options. The Crown 21100 is designed with multiple input configurations, including XLR and 1/4-inch TRS connectors, making it compatible with a wide array of audio sources. Furthermore, its balanced inputs help to minimize noise and interference, ensuring that the sound quality remains pristine even in challenging environments.

Crown Audio also places a significant emphasis on ease of use. The 21100 features intuitive front panel controls and indicators, which allow audio engineers to monitor levels and make adjustments quickly and efficiently. This user-friendly design is particularly beneficial during live performances, where quick decision-making is crucial.

In addition, the amplifier's rugged construction ensures that it can withstand the rigors of touring and extensive use. Its durable chassis is designed to resist the wear and tear associated with transport and installation, making the Crown 21100 a reliable choice for both rental companies and sound professionals.

In conclusion, the Crown Audio 21100 stands out in the competitive landscape of power amplifiers with its powerful output, advanced technology, versatile connectivity, user-friendly design, and rugged reliability. These features make it an exceptional choice for those seeking high-quality audio performance in professional settings.