Crown CT 475 Computer Hardware User Manual


 
CT Power Amplifiers
page 19
CT Power Amplifiers
Operation Manual
17 AC Power Draw and Thermal Dissipation
ComTech DriveCore 875
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 <0.1 1 3.41 0.86
Idle (Auto Standby) - 17 0.40 17.00 15.50 0.25 15.8 57.97 14.60
Idle (Awake) - 23 0.50 23.00 21.00 0.32 25 85.25 21.48
Idle (Green Power) - 14.5 0.40 - 14 0.30 - - -
1/8th Power Pink
Noise
8 117 75 2.40 31 42 114 75 1.32 57 39 143.22 36.08
6 121 75 2.50 30 46 117 75 1.40 54 42 156.86 39.51
4 126 75 2.60 29 51 122 75 1.60 47 47 173.91 43.81
1/3rd Power Pink
Noise
8 277 200 4.66 43 77 270 200 2.85 70 70 262.57 66.14
6 284 200 4.90 41 84 275 200 2.90 69 75 286.44 72.16
4 292 200 5.30 38 92 283 200 3.00 67 83 313.72 79.03
1/8th Power Sine
8 115 75 2.11 35 40 113 75 1.27 59 38 136.40 34.36
6 116 75 2.14 35 41 114 75 1.28 58 39 139.81 35.22
4 119 75 2.20 34 44 118 75 1.32 57 43 150.04 37.80
1/3rd Power Sine
8 269 200 4.60 43 69 266 200 2.77 72 66 236.31 59.53
6 273 200 4.66 43 73 269 200 2.80 71 69 248.93 62.71
4 283 200 4.82 42 84 279 200 2.90 69 79 285.08 71.81
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.