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Measurement Evolution 600 Amplifier Evolution 900 Amplifier
F
REQUENCY RESPONSE
2
0 Hz to 20 kHz +0, –0.18 dB
<0.5 Hz to 120 kHz +0, –3 dB
2
0 Hz to 20 kHz +0, –0.18 dB
<0.5 Hz to 120 kHz +0, –3 dB
S
IGNAL-TO-NOISE RATIO
Wideband, unweighted, referred to full
power output
“A” weighted
>110 dB
>119 dB
>113 dB
>122 dB
GAIN 25.4 dB 25.4 dB
TOTAL HARMONIC DISTORTION <0.02% at 1 kHz, at 600 W, 8 Ohms
<0.15% at 20 kHz, at 600 W, 8 Ohms
<0.02% at 1 kHz, at 900 W, 8 Ohms
<0.15% at 20 kHz, at 900 W, 8 Ohms
INPUT IMPEDANCE
Single-ended
Balanced
CAST
100 kOhms
200 kOhms
70 Ohms
100 kOhms
200 kOhms
70 Ohms
INPUT SENSITIVITY
Single-ended or balanced
CAST
3.72 V rms
3.72 mA rms
4.55 V rms
4.55 mA rms
OUTPUT POWER 600 W rms at 8 Ohms
1200 W rms at 4 Ohms
2400 W rms at 2 Ohms
900 W rms at 8 Ohms
1800 W rms at 4 Ohms
3600 W rms at 2 Ohms
OUTPUT VOLTAGE 196 V peak-to-peak
69 V rms
240 V peak-to-peak
85 V rms
OUTPUT CURRENT 49 A peak 60 A peak
SLEW RATE 100 V/µs 90 V/µs
OUTPUT IMPEDANCE <0.030 Ohms, 20 Hz to 20 kHz <0.023 Ohms, 20 Hz to 20 kHz
DAMPING FACTOR
Referred to 8 Ohms
>270, 20 Hz to 20 kHz >350, 20 Hz to 20 kHz
POWER CONSUMPTION
Stand-by
Idle
Maximum
260 W
410 W
3800 W
440 W
650 W
5000 W
HEAT OUTPUT
Stand-by
Idle
Maximum
890 BTU/hr.
1400 BTU/hr
.
5500 BTU/hr.
1500 BTU/hr.
2200 BTU/hr
.
7700 BTU/hr.
INPUTS 1 single-ended via RCA connector
1 balanced via XLR connector
1 CAST via 4-pin bayonet connector
1 single-ended via RCA connector
1 balanced via XLR 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
438 mm W x 248 mm H x 560 mm D
17.3 in. W x 9.8 in. H x 26.1 in. D
438 mm W x 248 mm H x 662 mm D
WEIGHT
Shipping
Unit only
150 lb., 67.9 kg
135 lb., 61.1 kg
190 lb., 86 kg
175 lb., 79.2 kg
All operational featur
es, functions, specifications, and policies ar
e subject to change without notification
.