39
Measurement Evolution 2250e Amplifier Evolution 3250e Amplifier
F
REQUENCY RESPONSE
2
0 Hz to 20 kHz +0, –0.07 dB
<0.3 Hz to 150 kHz +0, –3 dB
2
0 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 VOL
TAGE
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.
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