Crown CT 875 AC Power Draw and Thermal Dissipation, ComTech DriveCore, CT Power Amplifiers, page

CT Power Amplifiers

17 AC Power Draw and Thermal Dissipation

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.

ComTech DriveCore 475

					120VAC						240VAC			Thermal Dispation
			Watts				Watts						Watts
	Load	Watts in		Line		Watts Out		Watts in	Watts out	Line		Watts Out
			out			Per 1A Line	Dissipated					Per 1A Line	Dissipated	btu/hr	kcal/hr
				Current						Current
						Current						Current
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	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
Noise
	4	70	38	1.35		28	33	66	38	0.90		42	29	110.83	27.92
1/3rd Power Pink	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
Noise
	4	150	100	2.75		36	50	149	100	1.80		56	49	170.50	42.95
	8	62	38	1.22		31	24	60	38	0.73		51	23	83.27	20.98
1/8th Power Sine	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
	8	138	100	2.52		40	38	136	100	1.50		67	36	130.26	32.81
1/3rd Power Sine	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

Operation Manual page 17