Krell KSA 250

Description: Solid-state class-A stereo amplifier.
Rated minimum continuous output power: 250Wpc into 8 ohms (24dBW), with no more than 0.1% THD; 500Wpc into 4 ohms (24dBW), with no more than 0.1% THD; 1kWpc into 2 ohms (24dBW); 2kWpc into 1 ohm; 4kWpc into 0.5 ohm (24dBW).
Frequency range: 0Hz–250kHz.
Input impedance: 47k ohms, non-inverting and inverting inputs.
Input sensitivity: 2.3V. Slew rate: >100V/µs. S/N ratio: 120dB, "A" weighted.
Power consumption: 12A continuous.
Dimensions: 19" W by 8.5" H by 24" D (including front and rear handles).
Weight: 140 lbs.