RB981 vs RA-985BX
The RA-985BX's power @ 8ω is 100W against the RB981's 130W, its power @ 4ω 190W against 170W, and its signal-to-noise 97 dB against 120 dB. Both share thd (0.030%).
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Rotel RB-981 is a discrete, high-current stereo power amplifier designed to drive demanding loudspeakers with exceptional audio performance. Featuring a massive toroidal power supply, premium components, and Rotel's Balanced Design topology, the RB-981 delivers robust power output with minimal distortion. The amplifier can be configured for standard stereo operation or bridged mono mode for increased power delivery. Its straightforward design includes unbalanced RCA inputs and five-way speaker terminals, making it suitable for integration into high-quality music and home theater systems.
Amplification power output and characteristics
Analog signal output specifications
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 RB981 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 RA-985BX's power @ 8ω is 100W against the RB981's 130W, its power @ 4ω 190W against 170W, and its signal-to-noise 97 dB against 120 dB. Both share thd (0.030%).
The RB1070's power @ 4ω is 238W against the RB981's 170W. Both share power @ 8ω (130W), signal-to-noise (120 dB), and damping factor (>500).
Both turn up in the same documented systems.
The HCA-750A's power @ 8ω is 75W against the RB981's 130W, its power @ 4ω 125W against 170W, its signal-to-noise 105 dB against 120 dB, and its thd 0.060% against 0.030%.
The RB-980BX's power @ 8ω is 120W against the RB981's 130W and its power @ 4ω 180W against 170W. Both share signal-to-noise (120 dB) and thd (0.030%).
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