Krell
KSA-250
Introduced 1990$7,500 MSRP
Legendary early-90s pure class A brute that nearly doubles power with every halving of impedance; a defining product of Krell's Dan D'Agostino era.
MSRP
$7,500
Used market · Good
$3,000est.
-60% vs MSRP
as of Aug 15, 2026MSRP to used market
From $7,500 at launch to $3,000 today (estimated).
Specifications
- Type
- solid-state power amp
- Inputs
- balanced XLR and unbalanced RCA
- Outputs
- dual binding posts per channel
- Topology
- class A, fully complementary bipolar output
- Weight
- 145 lbs
- Power output
- 250W x2 @ 8 ohms, 500W x2 @ 4 ohms, 1000W x2 @ 2 ohms
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