Krell KSA-i400

€49,420.00

The KSA-i400 is a state-of-the-art 400 watt/channel stereo amplifier. It incorporates Krell’s most advanced circuit topologies and Krell’s proprietary technologies iBias, XD, and Sym-Max. This gives the KSA-i400 an organic, spacious, and detailed presentation along with the rock-solid bottom end and effortlessness that Krell is known for.

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The KSA-i400 is a state-of-the-art 400 watt/channel stereo amplifier. It incorporates Krell’s most advanced circuit topologies and Krell’s proprietary technologies iBias, XD, and Sym-Max. This gives the KSA-i400 an organic, spacious, and detailed presentation along with the rock-solid bottom end and effortlessness that Krell is known for.

The KSA-i400 is a state-of-the-art 400 watt/channel stereo amplifier. It incorporates Krell’s most advanced circuit topologies and Krell’s proprietary technologies iBias, XD, and Sym-Max. This gives the KSA-i400 an organic, spacious, and detailed presentation along with the rock-solid bottom end and effortlessness that Krell is known for.

PRODUCT DETAILS

Technical Specifications

Analog Inputs-
1 pr. balanced via XLR connectors
1 pr. single-ended via RCA connectors

Outputs- 2 pr. speaker outputs via gold-plated binding posts

Control inputs-
1 Ethernet via RJ45
1 12 VDC trigger input via 2-conductor 3.5 mm connector

Input impedance-
Balanced: 34 kΩ
Single-ended: 17 kΩ

Frequency response-
20 Hz to 20 kHz +0.1, -0.07 dB
-3dB bandwidth 200kHz (measured at 50W into 8Ω)

Signal-to-noise ratio-
>102 dBr, wideband, unweighted, referred to full power output
>117 dBr, “A”-weighted

Gain- 26.4 dB

Input Sensitivity-
2.8 V RMS Balanced
2.8 V RMS Single-ended

Total harmonic distortion-
<0.015%, 1 kHz, 400W, 8Ω load
<0.12%, 20 kHz, 400W, 8Ω load

Output power-
400W RMS per channel at 8Ω
800W RMS per channel at 4Ω

Output voltage-
164 V peak to peak
58 V RMS

Output current- 62 A peak

Slew rate- 70 V/µs

Output impedance- <0.01 Ω, 20 Hz to 20 kHz

Damping factor- >800, 20 Hz to 20 kHz, referred to 8 Ω

Physical Specifications

Power consumption-
Standby: 1 W
Idle: 260 W
Maximum: 4750 W

Heat output-
Idle: 890 BTU/hr
Maximum:10,773 BTU/hr (4Ω load, both channels at full power)

Dimensions-
17.25 in W x 9.4 in H x 24 in D
438 mm W x 239 mm H x 610 mm D

Weight-
Unit only: 160 lb. [73 kg]
As shipped:180 lb. [82 kg]

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