17 ac power draw and thermal dissipation, Comtech drivecore 4150, Comtech drivecore 875 – Crown Audio ComTech DriveCore Series User Manual
Page 10

Operation Manual
CT Power Amplifiers
page 18
page 19
CT Power Amplifiers
Operation Manual
17 AC Power Draw and Thermal Dissipation
ComTech DriveCore 4150
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)
-
11.9
0.35
11.90
10.90
0.28
15.8
53.88
13.57
Idle (Awake)
-
17.5
0.60
17.50
16.50
0.37
25
85.25
21.48
Idle (Green Power
-
9.7
0.25
-
9
0.20
-
-
-
1/8th Power Pink
Noise
8
98
63
1.90
33
36
96
63
1.20
53
33
121.06
30.49
6
102
63
2.10
30
40
120
63
1.25
50
39
134.70
33.93
4
115
63
2.20
28
53
105
63
1.32
48
42
179.03
45.10
1/3rd Power Pink
Noise
8
225
167
3.95
42
58
230
167
2.45
68
63
214.83
54.12
6
230
167
4.00
42
63
244
167
2.55
65
77
262.57
66.14
4
240
167
4.15
40
73
248
167
2.60
64
81
276.21
69.58
1/8th Power Sine
8
95
63
1.80
35
32
94
63
1.08
58
31
109.12
27.49
6
96
63
1.82
34
34
95
63
1.09
57
33
114.24
28.78
4
100
63
1.89
33
38
99
63
1.13
55
37
127.88
32.21
1/3rd Power Sine
8
222
167
3.89
43
55
221
167
2.34
71
54
188.23
47.42
6
227
167
3.98
42
60
225
167
2.37
70
58
205.96
51.88
4
237
167
4.12
40
70
235
167
2.48
67
68
238.02
59.96
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.
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.