Ac Power Draw And Thermal Dissipation - Crown I-T4000 Operation Manual

7 AC Power Draw and Thermal Dissipation

page 36
I-Tech 4000 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
Load
120VAC
Idle (sleep mode) 0.8
Idle (awake) 1.6
1/8th Power Pink Noise 8 Ohms/Ch.
5.3
16 Ohms Bridge
Typical of program material
4 Ohms/Ch.
just at clip.
7.8
8 Ohms Bridge
2 Ohms/Ch.
8.0
4 Ohms Bridge
1/3rd Power Pink Noise 8 Ohms/Ch.
10.9
16 Ohms Bridge
Typical of program material
4 Ohms/Ch.
with severe clipping.
17.8
8 Ohms Bridge
2 Ohms/Ch.
17.7
4 Ohms Bridge
I-T4000
120VAC 208VAC 230VAC
Watts Out Watts Out
Per 1A Per 1A
Amp Line Line Current Amp Line Line Current
Current 208VAC Current 230VAC
0.95 0.9
1.4 1.3
59.6 3.4 94.6 3.1
64.9 4.7 106.9 4.4
58.1 4.8 96.1 4.4
77.1 6.6 126.2 6.0
77.0 10.5 129.1 9.5
70.3 10.7 115.3 9.4
I-Tech Series Power Amplifiers
Thermal Dissipation
Watts Out
Per 1A
Amp Line
Watts
Current Dissipated Btu/hr kcal/hr
53 182 157
172 587 505
102.6 305 1040 262
116.3 414 1413 356
106.0 476 1625 410
139.9 437 1491 376
142.1 711 2426 612
128.7 824 2814 709
Operation Manual