825 vs Krell Evolution 400
The Evolution 400's power @ 4ω is 800W against the 825's 750W, its thd 0.020% against 0.004%, and its damping factor >100 against >1000. Both share power @ 8ω (400W).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$17,953.40
Around — community and catalog average, updates slowly
About the 825
The Jeff Rowland Design Group Model 825 is a high-end stereo power amplifier using Ncore Class-D amplification. It delivers 400 watts per channel into 8 ohms and 750 watts per channel into 4 ohms, with balanced XLR and unbalanced RCA inputs, switchable 26/32 dB gain, extremely low distortion, and a damping factor greater than 1,000. The amplifier has parallel binding-post outputs and a substantial machined-aluminum chassis.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 400W @ 8Ω
- Power @ 4Ω
- 750W @ 4Ω
- Amplifier Class
- D
- Damping Factor
- >1000
- Minimum Impedance
- 2Ω
- Input Impedance
- 40Ω
Analog Output
Analog signal output specifications
- THD
- 0.004%
- Output Impedance
- 0.003Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR, RCA
- Analog Outputs
- binding posts
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 394 × 419 × 413 mm (W × H × D)
- Weight
- 73 kg (161 lbs)
Key Specifications
Power: 400W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions