Crown Audio XLS Series (2 rack space height with two Speakon connector) - Manual (Page 19)

XLS Series Power Amplifiers
page 19 Operation Manual
L O A D
2 Ohm Stereo 4 Ohm Stereo 8 Ohm Stereo
Duty
Cycle
AC
Mains
Power
Draw
(W)
Current Draw
(Amps)
Thermal
Dissipation
AC
Mains
Power
Draw
(W)
Current Draw
(Amps)
Thermal
Dissipation
AC
Mains
Power
Draw
(W)
Current Draw
(Amps)
Thermal
Dissipation
120V 230V btu/hr kcal/hr 120V 230V btu/hr kcal/hr 120V 230V btu/hr kcal/hr
50% 1023 10.0 5.2 1547 390 725 7.1 3.7 1109 279 479 4.7 2.5 748 189
40% 823 8.1 4.2 1253 316 584 5.7 3.0 903 228 388 3.8 2.0 614 155
30% 623 6.1 3.2 960 242 444 4.4 2.3 697 176 297 2.9 1.5 480 121
20% 423 4.1 2.2 666 168 304 3.0 1.6 491 124 205 2.0 1.1 346 87
10% 223 2.2 1.1 372 94 163 1.6 0.8 285 72 114 1.1 0.6 213 54
L O A D
2 Ohm Stereo 4 Ohm Stereo 8 Ohm Stereo
Duty
Cycle
AC
Mains
Power
Draw
(W)
Current Draw
(Amps)
Thermal
Dissipation
AC
Mains
Power
Draw
(W)
Current Draw
(Amps)
Thermal
Dissipation
AC
Mains
Power
Draw
(W)
Current Draw
(Amps)
Thermal
Dissipation
120V 230V btu/hr kcal/hr 120V 230V btu/hr kcal/hr 120V 230V btu/hr kcal/hr
50% 529 5.1 2.6 953 240 427 4.1 2.1 776 196 315 3.0 1.6 580 146
40% 427 4.1 2.1 776 196 346 3.3 1.7 634 160 256 2.4 1.3 477 120
30% 325 3.1 1.6 598 151 264 2.5 1.3 491 124 197 1.9 1.0 374 94
20% 223 2.1 1.1 420 106 182 1.7 0.9 349 88 137 1.3 0.7 271 68
10% 121 1.2 0.6 243 61 101 1.0 0.5 207 52 78 0.7 0.4 168 42
Figure 7.1 XLS 202
Power Draw, Current Draw and Thermal Dissipation at Various Duty Cycles
Figure 7.2 XLS 402
Power Draw, Current Draw and Thermal Dissipation at Varioius Duty Cycles
XLS 202
XLS 402
7 AC Power Draw and Thermal Dissipation