Krell KSA-250 power amplifier Specifications

Sidebar 4: Specifications

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.
Price: $5700 (1991); no longer available (2007). Approximate number of dealers: 50.
Manufacturer: Krell Industries, Milford, CT 06460 (1991); Krell Industries, 45 Connair Road, Orange, CT 06477-0533 (2007). Tel: (203) 799-9954. Fax: (203) 799-9796. Web:

Krell Industries
45 Connair Road
Orange, CT 06477-0533
(203) 799-9954