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I-Tech HD Series 

Power Amplifiers

I-Tech HD Series 

Power Amplifiers

page 36

page  37

Operation Manual

Operation Manual

Or, if you prefer, you may prepay the cost of shipping, and Crown will reimburse you. Send copies of the shipping 

receipts to Crown to receive reimbursement. Your repaired unit will be returned via UPS ground. Please contact us 

if other arrangements are required.

Factory Service Shipping Instructions:

1. 

Service Return Authorization (SRA) is required for product being sent to the factory for service. Please 

complete the SRA by going to  

www.crownaudio.com/support/factserv.htm. If you do not have access to our website, call 1.800.342.6939, 

extension 8205 and we’ll create the SRA for you.

2. 

See packing instructions that follow.

3. 

Ship product to:  

CROWN AUDIO FACTORY SERVICE

 

1718 W MISHAWKA RD.  

ELKHART, IN 46517

4. 

Use a bold black marker and write the SRA number on three sides of the box.

5. 

Record the SRA number for future reference. The SRA number can be used to check the repair status.

Packing Instructions

Important:

 These instructions must be followed. If they are not followed, Crown Audio, Inc. assumes no respon-

sibility for damaged goods and/or accessories that are sent with your unit.  

1.  Fill out and include the Crown Audio Factory Ser vice Information sheet in the back of this manual.
2.  Do not ship any accessories (manuals, cords, hard ware, etc.) with your unit. These items are not needed to 

service your product. We will not be responsibility for these items.

3.  When shipping your Crown product, it is important that it has adequate protection. We recommend you use the 

original pack material when returning the product for repair. If you do not have the original box, please call 

Crown at 800.342.6939 or 574.294.8210 and order new pack material. See instructions for “foam-in-place” 

shipping pack. (Do not ship your unit in a wood or metal cabinet.)

4.  If you provide your own shipping pack, the mini mum recommended requirements for materials are as follows:
a.  275 P.S.I. burst test, Double-Wall carton that allows for 2-inch solid Styrofoam on all six sides of unit or 3  

         inches of plastic bubble wrap on all six sides of unit.
b.  Securely seal the package with an adequate carton sealing tape.
c.  Do not use light boxes or “peanuts”. Damage caused by poor packaging will not be covered under war ranty.

Using your ‘foam-in-place’ shipping pack

Note: The foam-in-place packing is molded so that there is only one correct position for your product. 

1. 

Open carton and lift center cushion leaving both end-cushions in place.

2.  Carefully place your product with the product’s front panel facing the same direction as arrows indicate.
3.  Reset center cushion down over top of product’s chassis. The foam-in-place packing was molded to 

accommodate different chassis depth sizes. If your product’s chassis does not completely fill the foam-in-place 

cavity, you may use a soft but solid packing material (such as paper or bubble wrap) behind the chassis.

4.  Enclose the completed Crown Audio Factory Service Information form (or securely attach it to the outside of 

carton) and re-seal the shipping pack with a sturdy carton sealing tape.

Estimate Approval

Approval of estimate must be given within 30 days after being notified by Crown Audio Inc. Units still in the pos-

session of Crown after 30 days of the estimate will become the property of Crown Audio Inc.

Payment of Non-Warranty Repairs

Payment on out-of-waranty repairs must be received within 30 days of the repair date. Units unclaimed after 30 

days become the property of Crown Audio Inc. 

If you have any questions, please contact Crown Factory Service.

Crown Factory Service 

 1718 W. Mishawaka Rd.,  

Elkhart, Indiana 46517 U.S.A.

Telephone:

  

574.294.8200 

800.342.6939 (North America,  

Puerto Rico, and Virgin Islands only)

Facsimile:  

574.294.8301 (Technical Support) 

574.294.8124 (Factory Service)

Internet:  

http://www.crownaudio.com

Содержание I-T9000 HD

Страница 1: ...s of the publication date However updates to this information may have occurred To obtain the latest version of this manual please visit the Crown website at www crownaudio com Trademark Notice Crown...

Страница 2: ...e harmfulinterference and 2 thisdevicemustacceptanyinterference received including interference that may cause undesired operation CAUTION Changes or modifications not expressly approved by the party...

Страница 3: ...d switching power supply 15 Thermal management controller and two dis crete thermal zones with variable speed fans forced air cooling 16 Advanced protection circuitry guards against shorted outputs DC...

Страница 4: ...bel If you are unsure of the output voltage of your AC mains please consult your electrician Packed with your I Tech amplifier is a clip that retains the power cord so it can t pull out accidentally 1...

Страница 5: ...d to Channel 1 positive red terminal of amp repeat for negative Repeat Channel 2 wiring as for Channel 1 To wire stereo speakers to the Speakon connectors use one of these methods Method 1 Wire one Sp...

Страница 6: ...tion 3 IMPORTANT Turn off the amplifier and unplug its power cord INPUTS There are three ways to connect an input signal to the amplifier Connect an analog signal source to the Channel 1 amplifier inp...

Страница 7: ...timum gain structure sig nal levels please refer to the Crown Amplifier Application Guide available online at www crownaudio com Precautions Your amplifier is protected from internal and external faul...

Страница 8: ...g Blackout mode 10 dB Indicator amplifier output is 10 dB below clipping 20 dB Indicator amplifier output is 20 dB below clipping Signal Indicator selected input signal is abouve 40 dBu Ready Indicato...

Страница 9: ...t Status Cobranet Source Select Cobranet Input Trim Bandpass Gain Output Polarity Input Delay Speaker Delay LED Meter Display Type Bar Meter Display Type LevelMax Peak Voltage Limiter RMS Voltage Limi...

Страница 10: ...preset will automat ically set the DSP parameters as you set them up in the control software Setting some parameters of the DSP in the I Tech HD amplifier is done using the control software not by th...

Страница 11: ...96kHz converters offer extremely low noise and extended dynamic range When you use an I Tech HD amp the loud speaker processors crossovers limiters and delays are in the onboard DSP so you don t need...

Страница 12: ...POSSIBLE REASON The amplifier is becoming too hot for safe operation Allow amplifier to cool Check for loads less than 2 ohms and for excessive input levels Check for proper ventilation CONDITION Faul...

Страница 13: ...from the affected channel s one by one to determine if one of the loads is shorted CONDITION Data indicator not flash ing even though host computer software is active POSSIBLE REASON Cable between com...

Страница 14: ...floating point DSP processing 24 bit conversion with 32 bit floating point DSP processing Attenuators Speed sensitive rotary encoders 0 5 dB steps range 0 to 100 dB Speed sensitive rotary encoders 0 5...

Страница 15: ...eries Power Amplifiers I Tech HD Series Power Amplifiers page 28 page 29 Operation Manual Operation Manual Charts Typical Frequency Response 1W Typical Crosstalk vs Frequency Typical Damping Factor vs...

Страница 16: ...1625 376 1040 262 7 8 4 4 6 0 9 5 9 4 58 1 77 1 77 0 70 3 106 9 96 1 126 2 129 1 106 0 139 9 Watts Dissipated 120VAC 208VAC 230VAC 102 6 AC Power Draw and thermal Dissipation I Tech 9000HD AC Current...

Страница 17: ...engage the input compressor and the clip LED will illuminate By compress ing the input the amplifier will not generate as much heat and will have a chance to cool down The degree of compression is pr...

Страница 18: ...event electric shock do not remove covers No user serviceable parts inside Refer servicing to a qualified technician Complete the Crown Audio Factory Service Information form in the back of this manua...

Страница 19: ...unit in a wood or metal cabinet 4 If you provide your own shipping pack the mini mum recommended requirements for materials are as follows a 275 P S I burst test Double Wall carton that allows for 2 i...

Страница 20: ...om time to time without notice and with no obligation to make corresponding changes in products previously manufactured LEGAL REMEDIES OF PURCHASER THIS CROWN WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS...

Страница 21: ......

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