Crown CT 4150, CT 8150, CT 875, CT 475 operation manual AC Power Draw and Thermal Dissipation

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 4150

					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		<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	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
Noise
	4	115	63	2.20		28	53	105	63	1.32		48	42	179.03	45.10
1/3rd Power Pink	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
Noise
	4	240	167	4.15		40	73	248	167	2.60		64	81	276.21	69.58
	8	95	63	1.80		35	32	94	63	1.08		58	31	109.12	27.49
1/8th Power Sine	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
	8	222	167	3.89		43	55	221	167	2.34		71	54	188.23	47.42
1/3rd Power Sine	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

page 18 Operation Manual