Evo2250e vs Evolution 403e
The Evolution 403e's power @ 8ω is 400W against the Evo2250e's 250W, its power @ 4ω 800W against 500W, and its output impedance 0.055Ω against 0.06Ω. Both share damping factor (>100).
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The Krell Evo2250e is a stereo power amplifier designed to provide immense power and refined performance, featuring technology derived from Krell's award-winning larger models. It delivers 250 watts per channel into 8 ohms and 500 watts per channel into 4 ohms, capable of driving any loudspeaker to its full dynamic capability. The amplifier uses high-speed output transistors, a 2,500 VA power transformer, and unique Krell Current Mode circuitry to ensure exceptional sound quality and reliability. It features both balanced (XLR) and single-ended (RCA) inputs, robust five-way binding posts for speaker connections, and a low power standby mode consuming less than 2 watts. The Evo2250e is housed in a compact yet sturdy chassis with dimensions of 17.25 x 7.6 x 19.13 inches and weighs 77 pounds. Its design emphasizes professional build quality with a brushed aluminum faceplate and a distinctive blue power ring indicator. The amplifier is noted for its ability to produce a clear, detailed soundstage with solid bass and precise vocals, maintaining performance even under demanding musical passages. It consumes up to 2400 watts at maximum power and features a high damping factor and low output impedance for tight speaker control.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Evolution 403e's power @ 8ω is 400W against the Evo2250e's 250W, its power @ 4ω 800W against 500W, and its output impedance 0.055Ω against 0.06Ω. Both share damping factor (>100).
The AW180's power @ 4ω is 380W against the Evo2250e's 500W, its output impedance 0.008Ω against 0.06Ω, and its weight 22 kg (49 lbs) against 34.8 kg (77 lbs). Both share power @ 8ω (250W).
The Evolution 900e's power @ 8ω is 900W against the Evo2250e's 250W, its power @ 4ω 1.8kW against 500W, and its output impedance 0.023Ω against 0.06Ω. Both share damping factor (>100).
The STR's power @ 8ω is 400W against the Evo2250e's 250W, its power @ 4ω 600W against 500W, its damping factor >300 against >100, and its weight 27.3 kg (60 lbs) against 34.8 kg (77 lbs).
EVO 403
Bel Canto Design e1x-S500
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