Krell Industries 900 用户手册

(Specifications continued)

Measurement

Evolution 403 3-channel Amplifier

Evolution 400 Monaural Amplifier

FREQUENCY RESPONSE

20 Hz to 20 kHz +0, –0.18 dB
<0.5 Hz to 120 kHz +0, –3 dB

SIGNAL-TO-NOISE RATIO

Wideband, unweighted, referred to full
power output
“A” weighted

>106 dB

>116 dB

GAIN

25.4 dB

TOTAL HARMONIC DISTORTION

<0.02% at 1 kHz, at 400 W, 8 Ohms
<0.15% at 20 kHz, at 400 W, 8 Ohms

INPUT IMPEDANCE

Single-ended

Balanced

CAST

100 kOhms
200 kOhms

70 Ohms

INPUT SENSITIVITY

Single-ended or balanced

CAST

3.04 V rms
3.04 mA rms

OUTPUT POWER

400 W rms at 8 Ohms
800 W rms at 4 Ohms

1600 W rms at 2 Ohms

OUTPUT VOLTAGE

160 V peak-to-peak

57 V rms

OUTPUT CURRENT

37 A peak

SLEW RATE

100 V/

OUTPUT IMPEDANCE

<0.055 Ohms at 20 Hz
<0.064 Ohms, 20 Hz to 20 kHz

DAMPING FACTOR

Referred to 8 Ohms

>145 at 20 Hz
>125, 20 Hz to 20 kHz

POWER CONSUMPTION

Stand-by

Idle

Maximum

370 W
570 W

5000 W

HEAT OUTPUT

Stand-by

Idle

Maximum

1270 BTU/hr.
1950 BTU/hr.
7700 BTU/hr.

INPUTS

3 single-ended via RCA connector
3 balanced via XLR connector
3 CAST via 4-pin bayonet connector

OUTPUTS

3 pairs Krell binding posts

DIMENSIONS

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

190 lb., 86 kg
175 lb., 79.2 kg

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

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