Krell Evolution e Series Manual - Manual (Page 39)

39
Measurement Evolution 2250e Amplifier Evolution 3250e Amplifier
FREQUENCY RESPONSE 20 Hz to 20 kHz +0, –0.07 dB
<0.3 Hz to 150 kHz +0, –3 dB
20 Hz to 20 kHz +0, –0.07 dB
<0.3 Hz to 150 kHz +0, –3 dB
SIGNAL-TO-NOISE RATIO
Wideband, unweighted, referred to full
power output
“A” weighted
>108 dB
>116 dB
>108 dB
>116 dB
GAIN 25.7 dB 25.7 dB
TOTAL HARMONIC DISTORTION <0.02% at 1 kHz, at 250 W, 8 Ohms
<0.15% at 20 kHz, at 250 W, 8 Ohms
<0.02% at 1 kHz, at 250 W, 8 Ohms
<0.15% at 20 kHz, at 250 W, 8 Ohms
INPUT IMPEDANCE
Single-ended
Balanced
50 kOhms
100 kOhms
50 kOhms
100 kOhms
INPUT SENSITIVITY
Single-ended or balanced 2.32 V rms 2.32 V rms
OUTPUT POWER 250 W rms per channel at 8 Ohms
500 W rms per channel at 4 Ohms
250 W rms per channel at 8 Ohms
500 W rms per channel at 4 Ohms
OUTPUT VOLTAGE 47 V rms or 133 V peak-to-peak 47 V rms or 133 V peak-to-peak
OUTPUT CURRENT 20 A peak 20 A peak
SLEW RATE 80 V/µs 80 V/µs
OUTPUT IMPEDANCE <0.060 Ohms at 20 Hz
<0.067 Ohms, 20 Hz to 20 kHz
<0.060 Ohms at 20 Hz
<0.067 Ohms, 20 Hz to 20 kHz
DAMPING FACTOR
Referred to 8 Ohms
>130 at 20 Hz, at 8 Ohms
>120, 20 Hz to 20 kHz at 8Ohms
>130 at 20 Hz, at 8 Ohms
>120, 20 Hz to 20 kHz at 8Ohms
POWER CONSUMPTION
Stand-by
High Current Stand-by
Idle
Maximum
2 W
40 W
90 W
2400 W
2 W
50 W
125 W
2400 W
HEAT OUTPUT
Stand-by
High Current Stand-by
Idle
Maximum
7 BTU/hr.
140 BTU/hr.
310 BTU/hr.
3100 BTU/hr.
7 BTU/hr.
170 BTU/hr.
430 BTU/hr.
3100 BTU/hr.
INPUTS 2 single-ended via RCA connector
2 balanced via XLR connector
3 single-ended via RCA connector
3 balanced via XLR connector
OUTPUTS 2 pair WBT binding posts 3 pair WBT binding posts
DIMENSIONS 17.5 in. W x 7.6 in. H x 19 in. D
438 mm W x 193 mm H x 486 mm D
17.5 in. W x 7.6 in. H x 19 in. D
438 mm W x 193 mm H x 486 mm D
WEIGHT
Shipping
Unit only
92 lb., 34.8 kg
77 lb., 41.6 kg
95 lb., 43 kg
80 lb., 36.2 kg
(Specifications continued)
All operational features, functions, specifications, and policies are subject to change without notification .