Crown CT 875 Computer Hardware User Manual


 
CT Power Amplifiers
page 17
CT Power Amplifiers
Operation Manual
17 AC Power Draw and Thermal Dissipation
ComTech DriveCore 475
Load Watts in
Watts
out
120VAC
Watts
Dissipated
Watts in Watts out
240VAC
Watts
Dissipated
Thermal Dispation
Line
Current
Watts Out
Per 1A Line
Current
Line
Current
Watts Out
Per 1A Line
Current
btu/hr kcal/hr
Idle (Deep Sleep) - 0.9 <0.1 1.00 0.90 1 3.41 0.86
Idle (Auto Standby) - 11 0.30 11.00 10.00 0.22 15.8 53.88 13.57
Idle (Awake) - 15 0.40 15.00 13.20 0.25 25 85.25 21.48
Idle (Green Power) - 9.7 0.25 - 9 0.20 - - -
1/8th Power Pink
Noise
8 64 38 1.25 30 27 62 38 0.80 47 25 90.37 22.76
6 65 38 1.33 28 27 64 38 0.84 45 27 92.07 23.19
4 70 38 1.35 28 33 66 38 0.90 42 29 110.83 27.92
1/3rd Power Pink
Noise
8 142 100 2.65 38 42 140 100 1.60 63 40 143.22 36.08
6 147 100 2.70 37 47 145 100 1.70 59 45 160.27 40.37
4 150 100 2.75 36 50 149 100 1.80 56 49 170.50 42.95
1/8th Power Sine
8 62 38 1.22 31 24 60 38 0.73 51 23 83.27 20.98
6 63 38 1.23 30 25 61 38 0.74 51 24 85.59 21.56
4 65 38 1.27 30 27 63 38 0.76 49 26 92.41 23.28
1/3rd Power Sine
8 138 100 2.52 40 38 136 100 1.50 67 36 130.26 32.81
6 141 100 2.56 39 41 138 100 1.52 66 38 138.62 34.92
4 146 100 2.64 38 46 144 100 1.58 63 44 155.84 39.26
AC Power Draw and Thermal Disspation:
Pink noise 12dB crest factor, bandwidth limited 22Hz to 22kHz.
Typical line impedance used.
Measurements made with 120/240 VAC mains.
Data based on all channels driven at 8 Ohms.