Crown XLS Series Operation Manual page 19

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