Krell Industries Evolution 600, 900, 400 manual Measurement

(Specifications continued)

Measurement	Evolution 600 Monaural Amplifier	Evolution 900 Monaural Amplifier
FREQUENCY RESPONSE	20 Hz to 20 kHz +0, –0.18 dB	20 Hz to 20 kHz +0, –0.18 dB
	<0.5 Hz to 120 kHz +0, –3 dB	<0.5 Hz to 120 kHz +0, –3 dB
SIGNAL-TO-NOISE RATIO
Wideband, unweighted, referred to full	>110 dB	>113 dB
power output
“A” weighted	>119 dB	>122 dB
GAIN	25.4 dB	25.4 dB
TOTAL HARMONIC DISTORTION	<0.02% at 1 kHz, at 600 W, 8 Ohms	<0.02% at 1 kHz, at 900 W, 8 Ohms
	<0.15% at 20 kHz, at 600 W, 8 Ohms	<0.15% at 20 kHz, at 900 W, 8 Ohms
INPUT IMPEDANCE
Single-ended	100 kOhms	100 kOhms
Balanced	200 kOhms	200 kOhms
CAST	70 Ohms	70 Ohms
INPUT SENSITIVITY
Single-ended or balanced	3.72 V rms	4.55 V rms
CAST	3.72 mA rms	4.55 mA rms
OUTPUT POWER	600 W rms at 8 Ohms	900 W rms at 8 Ohms
	1200 W rms at 4 Ohms	1800 W rms at 4 Ohms
	2400 W rms at 2 Ohms	3600 W rms at 2 Ohms
OUTPUT VOLTAGE	196 V peak-to-peak	240 V peak-to-peak
	69 V rms	85 V rms
OUTPUT CURRENT	49 A peak	60 A peak
SLEW RATE	100 V/∝s	90 V/∝s
OUTPUT IMPEDANCE	<0.030 Ohms, 20 Hz to 20 kHz	<0.023 Ohms, 20 Hz to 20 kHz
DAMPING FACTOR	>270, 20 Hz to 20 kHz	>350, 20 Hz to 20 kHz
Referred to 8 Ohms
POWER CONSUMPTION
Stand-by	260 W	440 W
Idle	410 W	650 W
Maximum	3800 W	5000 W
HEAT OUTPUT
Stand-by	890 BTU/hr.	1500 BTU/hr.
Idle	1400 BTU/hr.	2200 BTU/hr.
Maximum	5500 BTU/hr.	7700 BTU/hr.
INPUTS	1 single-ended via RCA connector	1 single-ended via RCA connector
	1 balanced via XLR connector	1 balanced via XLR connector
	1 CAST via 4-pin bayonet connector	1 CAST via 4-pin bayonet connector
OUTPUTS	1 pair Krell binding posts	1 pair Krell binding posts
DIMENSIONS	17.3 in. W x 9.8 in. H x 22.1 in. D	17.3 in. W x 9.8 in. H x 26.1 in. D
	438 mm W x 248 mm H x 560 mm D	438 mm W x 248 mm H x 662 mm D
WEIGHT
Shipping	150 lb., 67.9 kg	190 lb., 86 kg
Unit only	135 lb., 61.1 kg	175 lb., 79.2 kg

All operational features, functions, specifications, and policies are subject to change without notification.

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