XA60.5 vs Krell Duo 125 XD
The Duo 125 XD's power @ 8ω is 125W against the XA60.5's 60W, its power @ 4ω 250W against 120W, its damping factor >500 against >100, and its thd 0.030% against 1.000%.
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Pass Labs XA60.5 is a pure Class A monoblock power amplifier from the XA.5 series, renowned for its balanced single-ended topology that minimizes feedback while providing high current capability and effortless sound. It excels in transparency, tonal warmth, dynamic weight, and natural timbre, making it ideal for demanding loudspeaker loads. Featuring massive heatsinks, a large toroidal transformer, and complementary MOSFET output stages, it operates at 33% efficiency, idling at three times its rated output. Inputs include single-ended RCA and balanced XLR; outputs feature two pairs of binding posts for bi-wiring. Discontinued around 2015 as part of the Point 5 series, it remains highly regarded in the used market for its tube-like musicality without euphonic tricks.
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 Duo 125 XD's power @ 8ω is 125W against the XA60.5's 60W, its power @ 4ω 250W against 120W, its damping factor >500 against >100, and its thd 0.030% against 1.000%.
The XA100.5's power @ 8ω is 100W against the XA60.5's 60W, its power @ 4ω 200W against 120W, and its damping factor >200 against >100. Both share thd (1.000%).
The X150.8's power @ 8ω is 150W against the XA60.5's 60W and its power @ 4ω 300W against 120W. Both share damping factor (>100) and thd (1.000%).
Both turn up in the same documented systems.
The XA30.8's power @ 8ω is 30W against the XA60.5's 60W and its power @ 4ω 60W against 120W. Both share damping factor (>100) and thd (1.000%).
Both turn up in the same documented systems.
Lamm Industries ML2
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