Halo A 31 vs A-52+
The A-52+'s power @ 8ω is 180W against the Halo A 31's 250W and its power @ 4ω 255W against 400W. Both share signal-to-noise (112 dB) and damping factor (>1000).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Parasound Halo A31 is a high-performance, three-channel power amplifier featuring circuitry designed by John Curl. It offers adjustable gain, unbalanced RCA and balanced XLR inputs, and operates in high-bias Class A/AB mode. The amplifier includes a 1.5 kVA toroidal power transformer and is THX Ultra2 certified.
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
Components that show up alongside the Halo A 31 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The A-52+'s power @ 8ω is 180W against the Halo A 31's 250W and its power @ 4ω 255W against 400W. Both share signal-to-noise (112 dB) and damping factor (>1000).
Both turn up in the same documented systems.
The Halo A 51 matches the Halo A 31 on power @ 8ω (250W), power @ 4ω (400W), signal-to-noise (112 dB), and damping factor (>1000).
Both turn up in the same documented systems.
The GFA-5705's power @ 8ω is 200W against the Halo A 31's 250W, its power @ 4ω 300W against 400W, its signal-to-noise 106 dB against 112 dB, and its damping factor >300 against >1000.
The KA I 180 Mk2's power @ 8ω is 180W against the Halo A 31's 250W and its power @ 4ω 300W against 400W. Both share signal-to-noise (112 dB) and damping factor (>1000).
A21+
Rotel RMB-1585MKII
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