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I-Tech HD Series 

Power Amplifiers

I-Tech HD Series 

Power Amplifiers

page 30

page  31

Operation Manual

Operation Manual

I-Tech 5000HD AC Current Draw and Thermal Dissipation:

Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz.

Typical line impedance used.

Data based on both channels driven.

Line Current

 

120VAC

Watts Out

 

Per 1A 

Amp Line 

Current

Line Current

 

208VAC

Watts Out

 

Per 1A 

Amp Line 

Current

Line Current

 

230VAC

Watts Out

 

Per 1A 

Amp Line 

Current

Btu/hr

kcal/h

r

Idle (sleep mode)

0.8

0.95

0.9

53

182

157

Idle (awake)

1.6

1.4

1.3

172

587

505

1/8th Power Pink Noise

8 Ohms/Ch.

Typical of program material 

16 Ohms Bridge

just at clip.

4 Ohms/Ch.

8 Ohms Bridge

2 Ohms/Ch.

4 Ohms Bridge

1/3rd Power Pink Noise

8 Ohms/Ch.

Typical of program material

16 Ohms Bridge

with severe clipping.

4 Ohms/Ch.

8 Ohms Bridge

2 Ohms/Ch.

4 Ohms Bridge

Load

Thermal Dissipatio

n

305

1413

356

5.3

94.6

59.6

64.9

116.3

2426

612

410

8.0

476

17.8

711

17.7

115.3

128.7

824

142.1

709

4.8

6.6

10.5

10.7

1491

2814

437

3.4

4.7

414

3.1

4.4

I-T5000HD

10.9

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 Draw and Thermal Dissipation:

Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz.

Typical line impedance used.

Data based on both channels driven.

Line Current

 

120VAC

Watts Out

 

Per 1A 

Amp Line 

Current

Line Current

 

208VAC

Watts Out

 

Per 1A 

Amp Line 

Current

Line Current

 

230VAC

Watts Out

 

Per 1A 

Amp Line 

Current

Btu/hr

kcal/h

r

Idle (sleep mode)

1.0

1.0

0.95

60

205

177

Idle (awake)

2.1

1.7

1.6

225

767

660

1/8th Power Pink Noise

8 Ohms/Ch.

Typical of program material 

16 Ohms Bridge

just at clip.

4 Ohms/Ch.

8 Ohms Bridge

2 Ohms/Ch.

4 Ohms Bridge

1/3rd Power Pink Noise

8 Ohms/Ch.

Typical of program material

16 Ohms Bridge

with severe clipping.

4 Ohms/Ch.

8 Ohms Bridge

2 Ohms/Ch.

4 Ohms Bridge

6.6

4.2

3.8

57.6

91.2

99.8

392

1338

337

593

2024

510

13.6

8.1

7.4

74.4

125.3

137.2

27.6

16.0

14.3

73.9

127.2

141.0

11.6

7.0

6.3

65.7

108.8

120.4

11.5

6.8

6.2

55.9

96.5

105.3

2373

598

1149

3921

98

8

579

1977

498

695

14.9

13.6

67.0

113.5

4173

1052

25.0

1223

124.3

I-T9000HD

Load

120VAC

208VAC

230VAC

Watts

 

Dissipated

Thermal Dissipatio

n

 

Summary of Contents for I-T9000 HD

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 21: ......

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